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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.

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.

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.

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.

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.

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, 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.

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.

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.

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.

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

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.

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.

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

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.

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

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.

Munz, P.A. 1968. Supplement to a California flora. Univ. California Press. Berkeley. 224 pp.

Packard, R. L. 1968. An ecological study of the fulvous harvest mouse in eastern Texas. American Midland Naturalist 79:68-88.

Leege, T. A. 1968. Natural movements of beavers in southeastern Idaho. Journal of Wildlife Management 32:973-976.

Gibbons, J. W. 1968c. Reproductive potential, activity and cycles in the painted turtle, Chrysemys picta. Ecology 49:399-409.

Baumgartner, A.M. 1968. Harris' Sparrow. Pages 1249-1273 in Life Histories of North American Cardinals, Grosbeaks, Buntings, Towhees, Finches, Sparrows, and Allies. A.C. Bent, editor. U.S. National Museum Bulletin 237, Part 3. Washington, DC.

Orians, G.H., Christman. 1968. Behavior of redwinged, tri-colored, and yellow headed blackbirds. Berkeley. 301 pp.

Hutchins, B. 1968. Survey form for Malaxis ehrenbergii. 1 p.

Lein, M.R. 1968. The breeding biology of the Savannah Sparrow, PASSERCULUS SANDWICHENSIS (Gmelin), at Saskatoon, Saskatchewan. M.S. thesis. University of Saskatchewan, Saskatoon, Saskatchewan. 171 pp.

Root, O. M. 1968. Spizella pallida (Swainson). Pages 1186-1208 in A. C. Bent, editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies. U.S. National Museum Bulletin 237.

Mayhew, W. W. 1968. Biology of desert amphibians and reptiles. Pp. 195-356 in Brown, G. W. Jr. (ed.). Desert biology. Vol. 1. 1968. Academic Press, New York, NY.

Horn, H. S. 1968. The adaptive significance of colonial nesting in the Brewer's Blackbird. Ecology 49:682-694.

Fairfield, G.M. 1968. Chestnut-collared Longspur. Pages 1635-1652 in O.L. Austin, Jr., editor. Life histories of North American cardinals, grosbeaks, buntings, towhees, finches, sparrows, and allies. Dover Publications, Inc., New York, NY.

Coulter, M. W., and W. R. Miller. 1968. Nesting biology of Black Ducks and Mallards in northern New England. Vermont Fish and Game Department Bulletin 68-2.

Zweifel, R.G. 1968a. Rana boylii. Catalogue of American Amphibians and Reptiles 71:1-2.

Little, R. McKirdy, H. 1968. Statewide Fisheries Investigations, Rancho Del Rio Grande Grant, Carson National Forest, Project numbers F-22-R-7 & 8. Job Number A-1. Job Completion Report, Research Project Segment, as Required by Federal Aid in Fish Restora

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

Humphrey, P. S., D. Bridge, and T. E. Lowjoy. 1968. A technique for mist-netting in the forest canopy. Bird-Banding 39:43-50.