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Gibbons, J.W. 1968a. Population structure and survivorship in the painted turtle, Chrysemys picta. Copeia 1968(2): 260-268.

Baepler, D.H. 1968. Lark Sparrow. Pages 886-902 in A.C. Bent, editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies. Dover Publications Inc., New York, NY.

Netboy, A. 1968. The Atlantic salmon, a vanishing species. Faber and Faber, London. 457 pp.

Ligon, J. D. 1968. Observations on Strickland's Woodpecker, Dendrocopos stricklandi. Condor 70:83-84.

Lane, J. 1968. Baird's sparrow (AMMODRAMUS BAIRDII). In A. C. Bent. Life histories of North American cardinals, grosbeaks, huntings, towhees, finches, sparrows and allies, part two. U.S. National Museum Bulletin. 237:603-1248.

Buckner, C. H., and D. G. H. Ray. 1968. Notes on the water shrew in bog habitats of southeastern Manitoba. Blue Jay 26(2):95-6.

Raitt, R. J. and R. L. Maze. 1968. Densities and species composition of breeding birds of a creosote bush community in southern New Mexico. Condor 70:193-205.

Linzey, D. W., and A. V. Linzey. 1968. Mammals of the Great Smoky Mountains National Park. J. Elisha Mitchell Sci. Soc. 84(3):384-414.

McGahan, J. 1968. Ecology of the golden eagle. Auk 85:1-12.

Cronan, John M. and Albert Brooks. 1968. THE MAMMALS OF RHODE ISLAND. RHODE ISLAND DEPT. OF NATURAL RESOURCES. 133 PP.

Bent, A.C., et al. 1968. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies. Part Two. U.S. National Museum Bulletin 237. (reprinted by Dover Publications, Inc., New York, NY).

Cole, C. J. 1968. Sceloporus virgatus. Cat. Am. Amph. Rep. 72.1-72.2.

Weston, J.B. 1968. Nesting ecology of the Ferruginous Hawk, BUTEO REGALIS. Brigham Young University Science Bulletin 10:25-36.

Rumsey, R. L. 1968. Capture and care of pileated and red-headed woodpeckers. Bird-Banding 39:313-6.

Minckley, W. L., and J. E. Deacon. 1968. Southwestern fishes and the enigma of "endangered species." Science 159:1424-32.

King, J. A. (ed.). 1968. Biology of Peromyscus (Rodentia). Am. Soc. Mamm. Spec. Publ. No. 2. 593 pp.

Cottam, C., and J. Trefethen, eds. 1968. Whitewings. Princeton. 348 pp.

Ficken, R. W., M. S. Ficken, and D. H. Morse. 1968. Competition and character displacement in two sympatric pine-dwelling warblers (DENDROICA, Parulidae). Evolution 22:307-14.

Taber, W. 1968. PASSERCULUS SANDWICHENSIS NEVADENSIS: Nevada Savannah Sparrow. Pages 708-711 in A.C. Bent, editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies, Part 2. Dover Publications, Inc., N

Ray, T. 1968. Naphthalene crystals as protection for nesting raptors. Hawk Chalk 7:52-4.

Monroe, B.L., Jr. 1968. A distributional survey of the birds of Honduras. Ornithological Monographs 7:1-458.

Grant, K.A., and V. Grant. 1968. Hummingbirds and their flowers. Columbia University Press, New York.

Brown, L. and D. Amadon. 1968. Eagles, hawks, and falcons of the world, Vol. 2. Country Life Books. London. 945 pp.

Walkinshaw, L.H. 1968. Eastern Field Sparrow. Pages 1217-1235 in O.L. Austin, editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies. Dover Publications, Inc., New York, NY.

Smith, C. C. 1968. The adaptive nature of social organization in the genus of tree squirrels, Tamiasciurus. Ecological Monographs 38:31-63.

Whitworth, W. R., P. R. Berrien, and W. T. Keller. 1968. Freshwater fishes of Connecticut. State Geological and Natural History Survey Bulletin No.101. 134 pp.

Brown, L. and D. Amadon. 1968. Eagles, Hawks, and Falcons of the World. McGraw-Hill, NY.

Bacon, E. J., Jr., W. H. Neill, Jr., and R. B. Kilambi. 1968. Temperature selection and heat resistance of the mosquitofish, Gambusia affinis. Proceedings of the Annual Conference of the Southeastern Association of Game and Fish Commissioners 22:411-416

Walkinshaw, L.H. 1968. Le Conte's Sparrow (PASSERHERBULUS CAUDACUTUS). Pages 765-776 in O.L. Austin, Jr., editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies. Part 2. United States National Museu

Smith, R.L. 1968. Grasshopper Sparrow. Pages 725-745 in O.L. Austin, Jr., editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies, Part 2. Dover Publications, Inc., New York, NY.

Thaeler, C.S. Jr. 1968. An analysis of the distribution of pocket gopher species in northeastern California (Genus Thomomys). University of California Publications in Zoology Vol. 86, University of California Press, Berkeley.

Reeves, H. M., A. D. Geis, and F. C. Kniffin. 1968. Mourning dove capture and banding. U.S. Fish and Wildl. Spec. Sci. Rep.--Wildl. (117):1-63.

Baumgarten, H.E. 1968. Lark Bunting. Pages 638-657 in O.L. Austin, Jr., editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies, part 2. Dover Publications, Inc., New York, NY.

Whitford, W.G. 1968. Physiological responses to temperature and dessication in the endemic New Mexico Plethodontids, Plethedon neomexicanus and Aneides hardii.

Campbell, H. 1968. Seasonal precipitation and scaled quail in New Mexico. Journal of Wildlife Management 32:641-644.

Baird, J. 1968. Savannah Sparrow (PASSERCULUS SANDWICHENSIS). Pages 675-698 in A.C. Bent, editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies, Part 2. Dover Publications, Inc., New York, NY.

Zweifel, R.G. 1968b. Rana muscosa. Catalogue of American Amphibians and Reptiles 65:1-2.

Edwards, P., and D. Stacy. 1968. The development of nestling curve-billed thrashers. Department of Ecology and Evolutionary Biology report, University of Arizona, Tucson.

Cody, M.L. 1968. Interspecific territoriality among hummingbird species. Condor 70:270-271.

Brown, P. R. 1968. Residents of the Golden State. International Turtle and Tortoise Society Journal. 2(6):28-9.

Gloyd, L.K. 1968. The union of Argia fumipennis (Burmeister, 1839) with Argia violacea (Hagen, 1861) and the recognition of three subspecies (Odonata). Occasional papers of the Museum of Zoology, University of Michigan. 658:1-6.

Foerster, R.E. 1968. The sockeye salmon, Oncorhynchus nerka. Bulletin of the Fisheries Research Board of Canada 162 xv + 422 pp.

Tyler, J.D. 1968. Distribution and vertebrate associates of the black-tailed prairie dog in Oklahoma. Ph.D. dissertation. University of Oklahoma, Norman.

Krause, H. 1968. McCown's Longspur. Pages 1564-1597 in O.L. Austin, Jr., editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies, part 3. Dover Publications, Inc., New York, NY.

Ficken, M. S., and R. W. Ficken. 1968. Territorial relationships of blue-winged warblers, golden-winged warblers, and their hybrids. Behaviour 28:149-181.

Tyler, J. D. 1968. Distribution and vertebrate associates of the black-tailed prairie dog in Oklahoma. Ph.D dissertation, University of Oklahoma, Norman.

Mead, R. A. 1968. Reproduction in western forms of the spotted skunk (genus Spilogale). Journal of Mammalogy 49: 373-390.

Gross, A.O. 1968. Dickcissel. Pages 158-191 in O.L. Austin, Jr., editor. Life histories of North American cardinals, grosbeaks, towhees, finches, sparrows, and allies, part 1. Dover Publications, Inc., New York, NY.

Arledge, J.G. and R. Boice. 1968. Economics of water intake in packrats (Neotoma albigula and Neotoma micropus). Abstract: Barren and wet habitats. Amer Zool 8(4): 751.

Ligon, J.D. 1968. The biology of the elf owl, Micrathene whitneyi. Univ. Michigan Mus. Zool., Misc. Publ. No. 136.

Martin, S.G. 1967. Breeding biology of the bobolink. M.S. thesis. University of Wisconsin, Madison, WI.

Hohn, E.O. 1967. Observations on the breeding biology of Wilson's Phalaropes in central Alberta. Auk 84:220-244.

Monroe, B.L., Jr. 1967. Dickcissel populations in southwestern Michigan. Jack-Pine Warbler 45:124-127.

Bond, J. 1967. Native birds of Mount Desert Island and Acadia National Park. Acad. Nat. Sci., Philadelphia, Pennsylvania.

Kalenosky, C. B. and D. H. Johnston. 1967. Radio-tracking timber wolves in Ontario. American Zoology 7:289-303.

Morse, D. H. 1967. Foraging relationships of brown-headed nuthatches and pine warblers. Ecology 48:94-103.

Edsall, T.A. 1967. Biology of the freshwater drum in western Lake Erie. Ohio Journal of Science 67(6):321-340.

Iverson, S. L. 1967. Adaptations to arid environments in Perognathus parvus (Peale). Ph.D. Thesis, Univ. British Columbia, Vancouver. 130pp.

King, D. R. and G. S. Hunt. 1967. Effect of carp on vegetation in a Lake Erie Marsh. Journal of Wildlife Management. 31:181-8.