PUBLICATIONS: Nelson, D.R., and R.G. Adkins. 2003.  Tardigrades in a moss cushion with descriptions of two new species and notes on the Echiniscus viridis complex. (in revision) Nelson, D.R., and S.J. McInnes.  2002.  Chapter V.  Tardigrada.  In: Rundle, S., A.L. Robertson, and J.M. Schmid-Araya, eds.  Freshwater Meiofauna: Biology and Ecology.   Backhuys Publishers, Leiden ( Holland ).  Pp. 177-215. Nelson, D.R.  2002.  Current status of the Tardigrada: Evolution and ecology.  In: Symposium on the Lesser Known Protostomes.  Society of Integrative and Comparative Biology, Chicago , January, 2001.  Integrative and Comparative Biology 42: 652-659.   Nelson, D.R.  2001.  Tardigrada.  Ch. 15.  In:  J.H. Thorp and A.P. Covich, eds. Ecology and Classification of North American Freshwater Invertebrates. 2nd Ed. Academic Press, Inc.  Pp. 527-550. Nelson, D.R., and R.G. Adkins.  2001.  Distribution of tardigrades within a moss cushion: Do tardigrades migrate in response to changing moisture conditions?  Presented at the Eighth International Symposium on the Tardigrada, Copenhagen , August, 2000.  Zoologischer Anzeiger: 240: 493-500. Romano, F.A.III, B. Barreras-Borrero, and D.R. Nelson.  2001.  Ecological distribution and community analysis of Tardigrada from Choccolocco Creek , Alabama .  Presented at the Eighth International Symposium on the Tardigrada, Copenhagen , August, 2000.  Zoologischer Anzeiger: 240: 535-541.   Nichols, P.B., F.A. Romano III, and D.R. Nelson.  2001.  Seasonal and altitudinal variation in the distribution and abundance of Tardigrada on Dugger Mountain , Alabama .  Presented at the Eighth International Symposium on the Tardigrada, Copenhagen , August, 2000.  Zoologischer Anzeiger: 240: 501-504. Hohl, A.M., W.R. Miller, and D.R. Nelson.  2001.  The distribution of tardigrades upwind and downwind of a Missouri coal-burning power plant.  Presented at the Eighth International Symposium on the Tardigrada, Copenhagen , August, 2000.  Zoologischer Anzeiger 240: 395-401.   Nelson, D.R.  2001.  A Study Guide for Pechenik’s Biology of the Invertebrates.  McGraw-Hill,   Publishers.  (Available on the McGraw-Hill web site and CD-ROM). Nelson, D.R., and N. J. Marley.  2000.  Lotic Meiofauna. V. Tardigrada.  In: Bagnall- Robertson and Rundle, eds.  Special Issue on Lotic Meiofauna.  Freshwater Biology 44: 93-108. Garey, J.R., D.R. Nelson, L.Y. Mackey, and J. Li.  1999.  Tardigrade phylogeny:  congruency of morphological and molecular evidence.  Zoologischer Anzeiger 238:  205-210. Bertolani, R., N.J. Marley, and D.R. Nelson.  1999.  Re-description of the genus Thulinia (Eutardigrada: Hypsibiidae) and of Thulinia augusti ( Murray , 1907) comb. n.  Zoologischer Anzeiger 238: 139-145. Guidetti, R., R. Bertolani, and D.R. Nelson.  1999.  Ecological and faunistic studies on tardigrades in leaf litter of beech forests.  Zoologischer Anzeiger 238: 215-223. Nelson, D.R., N.J. Marley, and R. Bertolani.  1999.  Re-description of the genus Pseudobiotus (Eutardigrada, Hypsibiidae) and of the new type species Pseudobiotus kathmanae sp. n.  Zoologischer Anzeiger 238: 311-317. Rebecchi, L., and D.R. Nelson.  1998.  Evaluation of a secondary sex character in eutardigrades.  Invertebrate Biology 117(3): 194-198.  Clark, E., and D.R. Nelson.  1997.  Young whale sharks, Rhincodon typus, feeding on a copepod bloom near La Paz , Mexico .  Env. Biol. Fishes 50: 63-73. Garey, J.R., M. Krotec, D.R. Nelson, and J. Brooks.  1996.  Molecular analysis supports a tardigrade-arthropod association.  Invert. Biol.  115(1): 79-88. Nelson, D.R., and K.L. McGlothlin.  1996.  A new species of Calohypsibius (Phylum Tardigrada, Eutardigrada) from Roan Mountain , Tennessee - North Carolina , U.S.A.   Zool. Jour. Linnean Soc.  116: 167-174. Kendall-Fite, K., and D.R. Nelson.  1996.  Two new species of tardigrades from Short Mountain , Tennessee , U.S.A.   Zool. Jour. Linnean Soc. 116: 205-214. Nelson, D.R.  1995.  President of the Tennessee Academy of Science for 1995.  Autobiography.  Jour. Tenn. Acad. Sci. 70(2): 25. Strayer, D., D.R. Nelson, and E. B. O’Donnell.  1994.  Tardigrades from shallow groundwaters in southeastern New York , with the first record of Thulinia from North America .  Trans. Amer. Micros. Soc. 113(3): 325-332. Dewel, R., D. Nelson, and W. Dewel.  1993.  Tardigrada.  In:  F. Harrison and M. Rice,eds.  Microanatomy of Invertebrates.  Vol. 12.  Wiley-Liss Division, John Wiley & Sons, Inc., pp. 143-183. Nelson, D.R., and K.L. McGlothlin.  1993.  A new species of Hypsibius (Phylum Tardigrada) from Roan Mountain , Tennessee , U.S.A.   Trans. Amer. Micros. Soc. 112(2): 140-144. Tarter, D., K. Ruggles, S. Gillenwater, and D.R. Nelson.  1992.  First records of water bears (Phylum: Tardigrada) from West Virginia .  Proc. W. Va. Acad. Sci. 1989, 61(2-4): 96-99. Nelson, D.R.  1991.  Tardigrada.  Ch. 15.  In:  J.H. Thorp and A.P. Covich, eds.  Ecology and Classification of North American Freshwater Invertebrates.  Academic Press, Inc.  pp. 507-527. Nelson, D.R.  1991.  A new species of Diphascon from New Brunswick , Canada (Tardigrada).  Can. J. Zool. 69: 1911-1915. Nelson, D.R., and R.P. Higgins.  1990.  Tardigrada.  In:  Daniel L. Dindal, ed.  Soil Biology Guide.  John Wiley and Sons, Inc.  pp. 393-419. Kathman, R.D., and D.R. Nelson.  1989.  Pseudodiphascon arrowsmithi, a new species of tardigrade from British Columbia , Canada (Macrobiotidae:  Eutardigrada:  Tardigrada).  J. Entomol. Soc. Brit. Columbia 86: 66-70. Nelson, D.R., C.J. Kincer, and T.C. Williams.  1987.  Effect of habitat disturbance on aquatic tardigrade populations.  Fourth International Symposium on the Tardigrada, Modena , Italy , Sept. 1985.  In:  R. Bertolani, ed.  Biology of Tardigrades.  Selected Symposia and Monographs U.Z.I. 1: 141-153. Kathman, R.D., and D.R. Nelson.  1987.  Population trends in the aquatic tardigrade Pseudobiotus augusti ( Murray ).  Fourth International Symposium on the Tardigrada, Modena , Italy , Sept. 1985.  In:  R. Bertolani, ed.  Biology of Tardigrades.  Selected Symposia and Monographs U.Z.I.  1: 155-168. Grigarick, A.A., R.O. Schuster, and D.R. Nelson.  1983.  Heterotardigrada of Venezuela (Tardigrada).  Pan-Pac. Ent.  59(1-4): 64-77. Nelson, D.R., ed.  1982.  Proceedings of the Third International Symposium on the Tardigrada, August 3-6, 1980, Johnson City , Tennessee , USA , East Tennessee State University Press.  236 pp. Nelson, D.R.  1982.  Tardigrada.  In:  S.H. Hurlbert and A. Villalobos-Figueroa, eds.  Aquatic Biota of Mexico , Central America, and the West Indies .  San Diego State University Press, pp. 154-188.  (NSF Grant) Nelson, D.R.  1982.  Developmental biology of the Tardigrada.  In:  Harrison, R.W., and R. Cowden, eds.  Developmental Biology of Freshwater Invertebrates.  Alan R. Liss, Inc., NY, pp. 363-398. Nelson, D.R., and R.O. Schuster.  1981.  Tardigrada.  In:  S.H. Hurlbert, et al., eds. Aquatic Biota of Tropical South America , Part 2:  Anarthropoda.  San Diego State University Press, pp. 161-166.  (NSF Grant) Schuster, R.O., D.R. Nelson, A.A. Grigarick, and D. Christenberry.   1980.   Systematic criteria of the Eutardigrada.  Trans. Amer. Micros. Soc. 99(3): 284-303. Nelson, D.R., and D.S. Horning, Jr.  1979.  Tardigrada of the Kowhai Bush, Kaikoura , New Zealand .  Zeszyty Naukowe Uniwersytetu Jagiellonskiego ( Krakow , Poland ), Prace Zoologie, Zeszyt 25: 125-142.  (Second International Symposium on Tardigrades, Krakow, Poland, 1977). Nelson, D.R.  1976.  Ecological distribution of Tardigrada on Roan Mountain , Tennessee - North Carolina .  Mem. Ist. Ital. Idrobiol. 32 Suppl., 1975: 225-276.  (First International Symposium on Tardigrades, Pallanza, Italy, 1974). Nelson, D.R.  1975.  The hundred-year hibernation of the water bear.  Natural History 84(7): 62-65. Ward, H.L., and D.R. Nelson.  1967.  Acanthocephala of the genus Moniliformis from rodents of Egypt with the description of a new species from the Egyptian Spiny Mouse (Acomys cahirinus).  J. Parasit. 53: 150-156. Nelson, D.R., and H.L. Ward.  1966.  Acanthocephala from hedgehogs in Egypt .  J. Tenn. Acad. Sci. 41(3): 101-105. Nelson, D.R.  Proceedings of the Tenn. Academy of Science.  Jour. Tenn. Acad. Sci. 54(2):56-63 (1979); 55(2):39-47 (1980); 56(2):40-46 (1981); 57(2):34-40 (1982); 58(1-2):2-7 (1983); 59(1-2):2-7 (1984); 60(2):30-34 (1985); 61(2):30-34 (1986); 62(2):26-31 (1987); 63(2):30-37 (1988); 64(2):30-36 (1989); 65(2):30-37 (1990); 66(2):46-53 (1991); 67(1-2):2-7(1992).   Thesis and Dissertation: Nelson, D.R.  1968.  Analysis of variance in a control and a wild population of Moniliformis dubius, 1932 (Acanthocephala).  M.S. Thesis.  University of Tennessee . Nelson, D.R.  1974.  Distribution of tardigrades on Roan Mountain , Tennessee - North Carolina .  Diss. Abst. Internat. 34(11).  Ph.D. Diss., University of Tennessee .       Published Abstracts: Mattingly, S., F.A. Romano, and D.R. Nelson.  2001.  A survey of tardigrades on  Dauphin Island , Alabama .  SE Biology 48(2): 136. Nelson, D.R.  2001.  Marine invertebrates of the Solomon Islands and Papua New Guinea .  SE Biology 48(2): 189-190.  Nelson, D.R.  2001.  Ecology and evolution of the Tardigrada.  In: Symposium on the Lesser Known Protostomes.  Society of Integrative and Comparative Biology, Chicago , January, 2001.  American Zoologist:   Nelson, D.R., and R.G. Adkins.  2001.  Distribution of tardigrades within a moss cushion: Do tardigrades migrate in response to changing moisture conditions?  Presented at the Eighth International Symposium on the Tardigrada, Copenhagen , 30 July – 5 August, 2000.  Programme and Abstracts, pp. 63. Romano, F.A.III, B. Barreras-Borrero, and D.R. Nelson.  2001.  Ecological distribution and community analysis of Tardigrada from Choccolocco Creek , Alabama , with the description of a new species of Echiniscus.  Presented at the Eighth International Symposium on the Tardigrada, Copenhagen , 30 July - 5 August, 2000.  Programme and Abstracts, pp. 72-73 Nichols, P.B., F.A. Romano III, and D.R. Nelson.  2001.  Seasonal and altitudinal variation in the distribution and abundance of Tardigrada on Dugger Mountain , Alabama .  Presented at the Eighth International Symposium on the Tardigrada, Copenhagen , 30 July – 5 August, 2000.  Programme and Abstracts, pp. 64. Mattingly, S., F.A. Romano, and D.R. Nelson.  2000.  Preliminary results of a tardigrade survey on Dauphin Island , Alabama .  ASB Bulletin 47(2): 215-216. Nelson, D.R.  1999.  Observations of fish behaviors in the Solomon Islands .  Abstract. J. Tenn. Acad. Sci. 73. Nelson, D.R.  1999.  Observations of nesting triggerfish and burrowing blennies in the  Solomon Islands .  ASB Bulletin 46(2): 144. Nichols, P.B., F. Romano, and D.R. Nelson.  1999.  A distributional survey of terrestrial tardigrades of Dugger Mountain , Alabama .  ASB Bulletin 46(2): 134. Barreras, B., F. Romano, and D.R. Nelson.  1999.  A distributional survey of riparian zone Tardigrada of Choccolocco Creek, Alabama.  ASB Bulletin 46(2): 134-35. Gaugler, M., and D.R. Nelson.  1999.  Marine interstitial tardigrades of Huntington  Beach State Park , South Carolina .  ASB Bulletin 46(2): 135. Jones, L.M., D.R. Nelson, and W. Stuntz.  1998.  Changes in shark abundance and distribution patterns over time in the Gulf of Mexico : a preliminary report.  Abstract.  J. Tenn. Acad. Sci. 72. Nelson, D.R., and J. Garey.  1998.  Molecular analysis of eutardigrades and heterotardigrades.  Abstract. J. Tenn. Acad. Sci. 72. Gaugler, M.S., and D.R. Nelson.  1997.  Preliminary investigation of the marine Tardigrada of Dauphin Island, Alabama.  Abstract.  J. Tenn. Acad. Sci.  71(1-2): 33. Nelson, D.R., E. Clark, and J.S. Pohle.  1997.  Malacanthus plumieri (sand tilefish) on the Barrier Reef of Belize.  Abstract.  J. Tenn. Acad. Sci. 71(1-2): 33. Jenkins, C., and D.R. Nelson.  1997.  A survey of terrestrial tardigrades in Florida .  ASB Bulletin 44(2): presented at Tri-Beta. Tarter, D., D.R. Nelson, E.F. Midkiff, and E.S. Wilhelm.  1997.  First records of tardigrades (Phylum: Tardigrada) from mosses in the New River Gorge, West Virginia.  ASB Bulletin 44(2): 111-112. Gaugler, M.S., and D.R. Nelson. 1997.  Marine interstitial Tardigrada of Dauphin Island, AL.  ASB Bulletin 44(2): 112. Nelson, D.R., Eugenie Clark, and J. Pohle.  1996.  Behavior of Malacanthus plumieri (sand tilefish) on the barrier reef of Belize .  ASB Bulletin 43(2): 116-117.  Adkins, R., and D.R. Nelson.  1996.  Tardigrade distribution within a moss cushion.  ASB Bulletin  43(2): 147. Tarter, D., D.R. Nelson, and E.F. Midkiff.  1996.  New distributional records, including two state records, of tardigrades (Phylum: Tardigrada) from mosses in the Monongahela National Forest, West Virginia.  ASB Bulletin 43(2): 147. Furches, L., and D.R. Nelson.  1996.  Multihabitat analysis of tardigrades (Phylum Tardigrada) on Unaka Mountain , Tennessee - North Carolina .  ASB Bulletin 43(2): 147. Nelson, D.R., and E. Clark.  1995.  Whale sharks in the Sea of Cortez .  Abstract.  J. Tenn. Acad. Sci.  70(2): 48. Garey, J., and D.R. Nelson.  1995.  The evolutionary relationships of tardigrades based on 18S rRNA gene sequence analysis.  American Zoologist 35(5): 57A. Adkins, R.G., and D.R. Nelson.  1995.  An ecological survey of tardigrades from Greene Mountain , Tennessee .  Abstract.  J. Tenn. Acad. Sci.  70(2): 49; ASB Bull. 42(2): 103. Nelson, D.R., and E. Clark.  1995.  Feeding behavior of juvenile whale sharks in the Sea of Cortez .  Abstract.  ASB Bull.  42(2): 148. Tarter, D.C., and D.R. Nelson.  1995.  Preliminary observations on the relationship of tardigrade species and moss species in the Monongahela National Forest, West Virginia.  Abstract.  ASB Bull.  42(2): 103. Chapman, K., P. Scheuerman, R. Brinkhurst, and D.R. Nelson.  1995.  A comparative study of three oligochaete species as indicators for heavy metal contamination in the sediment toxicity bioassay.  Society of Environmental Toxicology and Chemistry (SETAC).  Second World Congress, Vancouver , B.C., November 1995. Tarter, D. and D.R. Nelson.  1994.  Preliminary list of tardigrades (Phylum:  Tardigrada) from mosses and liverworts in the Monongahela National Forest, West Virginia.  Abstract.  ASB Bull. 41(2): 119. Nelson, D.R. and S.B. Cook.  1994.  Marine biodiversity of the Indian River Lagoon, Florida .  Abstract.  ASB Bull. 41(2): 121. Adkins, R.G., and D.R. Nelson.  1994.  A survey of water bears (Phylum Tardigrada) from Greene Mountain , Tennessee .  Abstract.  ASB Bull.  41(3): 180-181. Duncan, R., and D.R. Nelson.  1994.  Comparisons of tardigrade populations on Whitetop Mountain , VA.   ASB Bull.  41(3): 180. Adkins, R.G., and D.R. Nelson.  1994.  An ecological survey of tardigrades from Greene Mountain , Tennessee .  Abstract.  Presented at the Sixth International Symposium on the Tardigrada, Cambridge , England , August 1994. Kendall-Fite, K.L., and D.R. Nelson.  1994.  Two new species of tardigrades from Short Mountain , Tennessee .  Abstract.  Presented at the Sixth International Symposium on the Tardigrada, Cambridge , England , August 1994. Nelson, D.R., and G. Hale.  1994.  A preliminary report on the Tardigrada of the Inside Passage, Alaska .  Abstract.  Presented at the Sixth International Symposium on the Tardigrada, Cambridge , England , August 1994. Nelson, D.R., and K.L. McGlothlin.  1994.  Two new species of tardigrades from Roan Mountain , Tennessee - North Carolina .  Abstract.  Presented at the Sixth International Symposium on the Tardigrada, Cambridge , England , August 1994. Nelson, D.R., and G. Hale.  1993.  Tardigrades from Buffalo Mountain Park , Washington County, Tennessee .  Abstract.  ASB Bull.  40(2): 102. Tarter, D.C., and D.R. Nelson.  1993.  First records of tardigrades (Phylum:  Tardigrada) from mosses in the Cranberry Glades Botanical Area in the Monongahala National Forest , Pocahontas County , West Virginia .  Abstract.  ASB Bull.  40(2): 101-102. Kendall-Fite, K.L., C.M. Chandler, and D.R. Nelson.  1993.  Tardigrades of Short Mountain , Tennessee .  Abstract.  J. Tenn. Acad. Sci.  68(2): 55. Nelson, D.R.  1992.  Tardigrades from Land Between the Lakes, Kentucky-Tennesseee.  ASB Bull. 39(2): 99-100; J. Tenn. Acad. Sci.  67(1-2): 20. Tarter, D.C., and D.R. Nelson.  1992.  First records of tardigrades (Phylum:Tardigrada) from mosses on Dolly Sods Wilderness Area in the Monongahala National Forest , Tucker County , West Virginia .  ASB Bull. 39(2): 100. Kendall-Fite, K., C.M. Chandler, and D.R. Nelson.  1992.  Preliminary report on tardigrades from Short Mountain Seepage Springs, Cannon County , Tennessee .  ASB Bull. 39(2): 100. Nelson, D.R.  1992.  Tardigrades of Land Between the Lakes, Kentucky-Tennessee.  Abstract.  Presented at the Fifth International Symposium on the Tardigrada, in conjunction with the Eighth International Meiofauna Conference, University of Maryland , August 1992. Kendall-Fite, K.L., C.M. Chandler, and D.R. Nelson.  1992.  Tardigrades from Short Mountain seepage springs, Cannon County , Tennessee .  Abstract.  Presented at the Fifth International Symposium on the Tardigrada, in conjunction with the Eighth International Meiofauna Conference, University of Maryland , August 1992. McGlothlin, K.L., and D.R. Nelson.  1992.  Long-term stability in tardigrade populations on Roan Mountain , Tennessee .  Abstract.  Presented at the Fifth International Symposium on the Tardigrada, in conjunction with the Eighth International Meiofauna Conference, University of Maryland , August 1992. Dewel, R., W. Dewel, and D.R. Nelson.  1992.  Cephalic sensory structures of the heterotardigrade Echiniscus viridissimus.  Amer. Zool.  32(5): 122A. Tarter, D., and D.R. Nelson.  1991.  Tardigrade fauna in mosses from Seneca Rocks in the Monongahala National Forest , Pendleton County , West Virginia .  ASB Bull. 38: 120. Nelson, D.R.  1990.  Down Under -- invertebrates of the Great Barrier Reef .  ASB Bull. 37(2): 66-67. Nelson, D.R.  1990.  Aggression in the Giant Maori wrasse on the Great Barrier Reef .  Abstract.  J. Tenn. Acad. Sci. 65(2): 51; ASB Bull. 37(2): 66-67. McGlothlin, K.L., and D.R. Nelson.  1990.  Tardigrades from high elevations on Roan Mountain , Tennessee .  Abstract.  J. Tenn. Acad. Sci. 65(2): 51. McGlothlin, K.L., and D.R. Nelson.  1990.  Stability of tardigrade populations on Roan Mountain , Tennessee .  Abstract.  ASB Bull. 37(2): 67. Tarter, D.C., and D.R. Nelson.  1990.  An altitudinal comparison of the tardigrade fauna (Phylum:  Tardigrada) from mosses on Spruce Mountain , West Virginia .  ASB Bull. 37(2): 67. Tarter, D.C., D.R. Nelson, S.D. Gillenwater, and K.K. Ruggles.  1989.  First records of water bears (Phylum: Tardigrada) from West Virginia .  ASB Bull. 36(2): 109. Nelson, D.R.  1988.  Bermuda marine invertebrates.  ASB Bull. 35(2): 53-54. Nelson, D.R., D. Strayer, and E. Bannon-O'Donnell.  1988.  Tardigrades from shallow groundwaters in southeastern New York .  ASB Bull. 35(2): 53. Henry, B., K. Henry, D. Nelson, and D. Tarter.  1988.  Tardigrade research -- secondary students discover first tardigrades in West Virginia .  ASB Bull. 35(2): 56. Nelson, D.R., and G. Musil.  1987.  Electron microscopic observations of the tardigrade Macrobiotus tonollii.  Abstract.  J. Tenn. Acad. Sci. 62(2): 42; ASB Bull. 34(2): 120-121. Nelson, D.R., R. Prins, and R.O. Schuster.  1987.  Preliminary report on Tardigrada from Southern Chile .  Abstract.  J. Tenn. Acad. Sci. 62(2): 42; ASB Bull. 34(2): 121. Meininger, C., and D.R. Nelson.  1986.  Seasonal variation in the tardigrade fauna of a dust-impacted Arctic tundra.  Abstract.  Presented at the Fourth International Symposium on the Tardigrada, Modena , Italy , Sept. 1985. Kincer, C.J., and D.R. Nelson.  1985.  Tardigrade populations in an East Tennessee stream after habitat disturbance.  Abstract.  J. Tenn. Acad. Sci. 60(2): 43. Watson, C.N., and D.R. Nelson.  1985.  Predation upon tardigrades by midge larvae (Diptera: Chironomidae) in the littoral zone of an East Tennessee lake.  Abstract.  J. Tenn. Acad. Sci. 60(2): 43. Nelson, D.R., C.J. Kincer, and T.C. Williams.  1985.  Effect of habitat disturbance on aquatic tardigrade populations.  Abstract.  ASB Bull. 32(2): 65. Nelson, D.R., A.A. Grigarick, and R.O. Schuster.  1983.  Heterotardigarda of Northwestern Venezuela .  Abstract.  J. Tenn. Acad. Sci. 58(1-2): 12. Nelson, D.R., R.O. Schuster, and A.A. Grigarick.  1982.  Heterotardigrada of Northern Venezuela .  Abstract.  ASB Bull. 29(2): 73-74. Nelson, D.R., A.A. Grigarick, and R.O. Schuster.  1982.  Heterotardigrada of Northwestern Venezuela .  Abstract.  Amer. Zool. 22(4): 940. Howard, C.Y., and D.R. Nelson.  1981.  Tardigrades from Rattlesnake Spring, Bradley County , Tennessee .  Abstract.  J. Tenn. Acad. Sci. 56(2): 53. Williams, T.C., and D.R. Nelson.  1981.  Population study of tardigrades of Brush Creek Tributary, Washington County , Tennessee .  Abstract.  J. Tenn. Acad. Sci. 56(2): 53. Nelson, D.R., C. Williams, C. Howard, and G. Tunnel.  1980.  Seasonal changes in the tardigrade fauna, Bays Mountain Park , Tennessee .  Abstract.  ASB Bull. 27(2): 81. Nelson, D.R.  1979.  First identification and phase and SEM analysis of Echiniscus viridissimus (Phylum Tardigrada) outside its type locality.  Abstract.  J. Tenn. Acad. Sci. 54(2): 71. Nelson, D.R.  1979.  A phase and scanning electron microscopic study of Echiniscus viridissimus (Tardigrada).  Abstract.  ASB Bull. 26(2): 81. Nelson, D.R., C. Howard, C. Williams, and G. Tunnel.  1979.  A comparison of the tardigrade fauna in pine and oak forests, Bays Mountain Park , Tennessee .  Abstract.  ASB Bull. 26(2): 81. Nelson, D.R., and D. Kathman.  1979.  Population trends in aquatic tardigrades from the Ocoee River , Copperhill , Tennessee .  Second International Symposium on Invertebrate Reproduction.  Elsevier North Holland, Inc., NY. Nelson, D.R., and D. Kathman.  1978.  An aquatic tardigrade, Isohypsibius augusti, from the Ocoee River , Copperhill , Tennessee .  Abstract. J. Tenn. Acad. Sci. 53(2): 75-76. Nelson, D.R., and D. Kathman.  1978.  Population trends in Isohypsibius augusti ( Murray ) (Phylum: Tardigrada) from the Ocoee River , Copperhill , Tennessee .  Abstract.  ASB Bull. 25(2): 34. Nelson, D.R.  1978.  Aquatic tardigrades from the Ocoee River , Copperhill , Tennessee .  Abstract.  Amer. Zool. 18(3): 644. Nelson, D.R.  1977.  An anomaly in the reproduction of the tardigrade Macrobiotus areolatus.  Abstract.  J. Tenn. Acad. Sci. 52(2): 72. Nelson, D.R.  1977.  Fungal parasites of New Zealand tardigrades (Phylum:  Tardigrada).  Abstract.  ASB Bull. 24(2): 73. Nelson, D.R.  1976.  Scanning electron micrographs of Tennessee tardigrades.  Abstract.  J. Tenn. Acad. Sci. 51(2): 59. Nelson, D.R.  1976.  Use of the scanning electron microscope in the identification of tardigrada (Phylum: Tardigrada).  Abstract.  ASB Bull. 23(2): 83. Nelson, D.R.  1976.  Use of the scanning electron microscope in the identification of tardigrades. Abstract.  Amer. Zool. 16(2): 214. Nelson, D.R.  1975.  Preliminary investigation of the Tardigrada from epiphytes on beeches, buckeyes, and sugar maples on Roan Mountain , Tennessee .  Abstract.  J. Tenn. Acad. Sci. 50(2): 58. Nelson, D.R.  1975.  A comparison of the tardigrade fauna (Phylum Tardigrada) from three phorophytes on Roan Mountain , Tennessee .  Abstract. ASB Bull. 22(2): 70. Nelson, D.R.  1974.  The Tardigrada (water bears) of Roan Mountain .  Abstract. J. Tenn. Acad. Sci. 49(2): 57. Nelson, D.R.  1974.  Distribution of water bears (Phylum Tardigrada) on Roan Mountain , Tennessee - North Carolina .  Abstract.  ASB Bull. 21(2): 72.     SEM Photographs of Tardigrades Published: Scholastic Magazines, Inc., photo for a book, Little Monsters Wadsworth Publishing Co., photo for "Life" section of chemistry textbook, Chemistry:  Principles and Applications Science and Life, French Scientific Magazine, photos for article on tardigrades             Delta, Hungarian scientific-technical magazine, photos for article on tardigrades             ASB Bulletin, Association of Southeastern Biologists, cover photo C.V. Mosby Co., Biology of Animals, Hickman/Hickman/Hickman, photos for chapters Charles Merrill Publishers, Biology, Dr. Knut Norstog, photo for chapter C.V. Mosby, Co., Integrated Principles of Zoology, Hickman/Hickman/Hickman/Roberts, photos for chapters McGraw-Hill, Inc. Invertebrate Biology and Diversity, Dr. R.C. Anderson, photos for chapters University of Maryland , Dr. Eugene Small, photos for article on SEM techniques University of Tennessee , Knoxville , photo for brochure for the Graduate School National Science Foundation, photo for brochure Charles Merrill Publ. Co., Biology, 2nd Ed., Drs. Knut Norstog and A. Meyerrieks, photo for chapter Addison-Wesley Publishing Co., Invertebrate Zoology, Dr. Paul Lutz, four photos for chapters PWS Publishers ( Wadsworth )/ Wm. C. Brown, Biology of the Invertebrates, Dr. Jan Pechenik, photos for text, one for advertising brochure Saunders Publ. Co., Invertebrate Zoology, 5th Ed., Dr. Robert Barnes, photo for text Saunders Publ. Co., Invertebrate Zoology, 6th Ed., Ruppert and Barnes, photo for text Times Mirror/Mosby Co., Biology of Animals, Hickman, Roberts, and Hickman, photo for chapter Harper Collins Publishers, Concepts in Zoology, C.L. Harris, photo for chapter Academic Press, Ecology and Classification of North American Freshwater Invertebrates, cover photo and chapter photos Wm. C. Brown Communications, Inc., Animal Diversity, Hickman and Roberts, photo for text Kendall/Hunt Publishing Co., An Inquiry Approach to Freshman Biology Laboratories, F. Romano, Jacksonville State Univ., cover photos and photos for text Canadian Journal of Soil Science, cover photo Portland Press, The Biology of Tardigrades, I.M. Kinchin, 12 photos Wm. C. Brown, Zoology, Miller and Harley, photos for text, multiple editions Principles of Biology Laboratory Manual, BISC 2101, 2201, and 2301, East Tennessee State University , cover photo Popular Science, “What’s New”, 1 photo The Sun ( Boca Raton newspaper), 1 photo   Invertebrate Zoology Lab Manual, by Bruce Conn, tardigrade photos Biology, 5th ed., by Ricki Lewis, Wm. C. Brown/McGraw-Hill Other Photos: Photo of Dr. Walter Maucci for the “Dedication” of the January 1996 volume of the Zoological Journal of the Linnean Society, containing the symposium papers from the 6th International Symposium on the Tardigrada, Cambridge , England , August 1994     Photographs of Marine Organisms Published: Wadsworth Publishing Co., Marine Life and the Sea, by D.H. Milne, 3 photos Wm. C. Brown Publishers, An Introduction to the Biology of Marine Life, 5th and 6th editions, by J.L. Sumich, 1 photo of Sargassum Sea Challengers, Sea of Cortez Marine Animals—A Guide to the Common Fishes and Invertebrates, Baja California to Panama, by Daniel Gotshall, photo of whale shark and golden trevally juveniles, 1998 Ocean Gems, Calendar for 1998, published by East Tennessee State University Wm. C. Brown Publishers, Biology of the Invertebrates, by Jan Pechenik, cover photo of a spotted cleaning shrimp on an anemone, 1999 McGraw-Hill, General Zoology Laboratory Guide, by Charles Lytle, cover photo of a Christmas tree worm, 1999 Benjamin Cummins - Addison Wesley Longman, Inc., Marine Biology: An Ecological Approach, 5th edition, by J.W. Nybakken, 6 photos.     Exhibits: Ocean Gems, Carroll Reece Museum , October 29 - November 12, 2000. Ocean Gems Revisited, Carroll Reece Museum , June 14 - July 29, 2001.