Findley, J. S., A. H. Harris, D. E. Wilson, and C. Jones. 1975. Mammals of New Mexico. Univ. of New Mexico Press, Albuquerque. 360 pp.

Elliot, R. (1975) Performance Report as Required by Federal Aid in Fish Restoration Act. Statewide Fisheries Investigations, Federal Aid Project F-22-R-16 Brown Trout:Rio Grande Cutthroat Relationship, Job No. I-2. Retrieved from Regional Office, USFS. 4

Jackman, S. M., and J. M. Scott. 1975. Literature review of twenty three selected forest birds of the Pacific Northwest. USDA Forest Service Region 6, Portland, OR. 382pp.

Leffler, S.R., 1975. Collecting notes on tiger beetles in the southwestern United States. Cicindela 7(2):25-31.

Gould, F.W. 1975. The grasses of Texas. Texas A & M Univ. Press, College Station, TX. 653 pp.

Gier, H. T. 1975. Ecology and behavior of the coyote (Canis latrans). Pages 247-262 in M. W. Fox, ed. The Wild Canids; their systematics, behavioral ecology and evolution. Van Nostrand and Reinhold Co., New York. xvi + 508 pp.

Banks, E. M., R. J. Brooks, and J. Schnell. 1975. A radiotracking study of home range and activity of the brown lemming (Lemmus trimucronatus). Journal of Mammalogy 56:888-901.

Pianka, E. R., and W. S. Parker. 1975. Ecology of horned lizards: a review with special reference to Phrynosoma platyrhinos. Copeia 1975(1):141-162.

March, G. L., and M. F. S. Sadlier. 1975. Studies on the band-tailed pigeon (COLUMBA FASCIATA) in British Columbia. II. Food resources and mineral-graveling activity. Syesis 5:279-284.

Christenson, L.M. 1975. The shovelnose sturgeon, Scaphirhynchus platorynchus (Rafinesque), in the Red Cedar-Chippewa river system, Wisconsin. Wisconsin Department of Natural Resources Research Report 82. 23 pp.

Burch, J.B. 1975a. Freshwater unionacean clams (Mollusca: Pelecypoda) of North America. Malacological Publications: Hamburg, Michigan. 204 pp.

Wiens, J.A., and M.I. Dyer. 1975. Rangeland avifaunas: their composition, energetics, and role in the ecosystem. Pages 146-182 in D.R. Smith, editor. Symposium on the management of forest and range habitats for nongame birds. USDA Forest Service, General

Castetter, E. F., P. Pierce, and K. H. Schwerin. 1975. A reassessment of the Genus Escobaria. Cactus and Succulent Journal. Vol XLVII. 60-70 pp.

Fitch, H. S. 1975. A demographic study of the ringneck snake (Diadophis punctatus) in Kansas. Univ. Kansas Mus. Nat. Hist. Misc. Pub. 62:1-53.

Nymeyer, Lynn A. 1975. Unpublished report on sighting of Aplomado Falcon. May 21, 1975.

Lustig, L. W., and V. Flyger. 1975. Observations and suggested management practices for the endangered Delmarva fox squirrel. Proc. S. E. Assoc. Game and Fish Comm. 29:433-40.

Green, J. C. and R. B. Janssen. 1975. Minnesota birds: where, when and how many. University of Minnesota Press, Minneapolis, Minnesota. 217 pp.

Conner, R. N., R. G. Hooper, H. S. Crawford, and H. S. Mosby. 1975. Woodpecker nesting habitat in cut and uncut woodlands in Virginia. Journal of Wildlife Management 39:144-150.

Pizzimenti, J., and G. D. Collier. 1975. Cynomys parvidens. Mammalian Species 52:1-3.

Martin, R. G. Sexual and aggressive behavior, density and social structure in a natural population of mosquitofish, Gambusia affinis holbrooki. Copeia 1975:445-54.

Conway, M. 1975. New Mexico's endangered fishes. New Mexico Wildlife May - June. pp 18-23.

Harrison, H.H. 1975. A field guide to bird's nests in the U.S. east of the Mississippi River. Houghton Mifflin Company, Boston, Massachusetts. 257 p.

Grzimek, B. 1975. Grzimek's animal life encyclopedia. Van Nostrand Reinhold Co., New York, NY.

McNicholl, M. K. 1975. Larid site tenacity and group adherence in relation to habitat. Auk 92:98-104.

Dolbeer, R. A., and W. R. Clark. 1975. Population ecology of snowshoe hares in the central Rocky Mountains. Journal of Wildlife Management 39:535-549.

Rideout, C.B., and R.S. Hoffmann. 1975. OREAMNOS AMERICANUS. Mammalian Species 63:1-6.

Mason, I. L. 1975. Beefalo: much ado about nothing? World Rev. of Animal Production 11(4):19-23.

Crawford, J. A., and E. G. Bolen. 1975. Spring lek activity of the lesser prairie chicken in west Texas. Auk 92:808-810.

Howe, W.H. 1975. The butterflies of North America. Doubleday, New York. 633 pp.

Lamb, S.H. 1975. Woody plants of the Southwest, a field guide with descriptive text, drawings, range maps and photographs. The Sunstone Press, Santa Fe.

Medica, P. A. 1975. Rhinocheilus, R. lecontei. Cat. Am. Amph. Rep. 175.1-175.4.

Dwight, J. 1975. Sequence of plumages and moults of the passerine birds of New York. Annal. New York Acad. Sci. XIII(2):73-360.

Rummel, L., and C. Goetzinger. 1975. The communication of intraspecific aggression in the common loon. Auk 92:333-46.

Meslow, E.C., and H.M. Wight. 1975. Avifauna and succession in Douglas-fir forests of the Pacific Northwest. Pages 266-271 in D.R. Smith, coordinator. Proceedings of the symposium on management of forest and range habitats for nongame birds. USDA Forest S

Crockett, A. B. and H. H. Hadow. 1975. Nest site selection by Williamson and red-naped sapsuckers. Condor 77(3):365-368

Murray, H.D. 1975. Melanoides tuberculata (Muller), Las Moras Creek, Brackville, Texas. Bulletin of the American Malacological Union, 1975: 43.

Luer, C.A. 1975. The native orchids of the United States and Canada excluding Florida. New York Botanical Garden. 361 pp.

Stewart, R. E. 1975. Breeding Birds of North Dakota. Tri-College Center for Environmental Studies, Fargo ND.

Merkle, D. A. 1975. A taxonomic analysis of the Clemmys complex (Reptilia: Testudines) utilizing starch gel electrophoresis. Herpetologica 31:162-166.

Cross, J. N. 1975. Ecological distribution of the fishes of the Virgin River (Utah, Arizona, Nevada). University of Nevada, Las Vegas, Nevada. M.S. Thesis. 187 pp.

Martin, S.C. 1975. Ecology and management of southwestern semi-desert grass-shrub ranges: the status of our knowledge. Research Paper RM-156. Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO.

Erskine, A.J. 1975b. Black cottonwood floodplain forest. American Birds 29:1132-1133.

Runnels, S.R. 1975. Rose-throated Becard in Jeff Davis County, Texas. Condor 77(2):221.

Radke, W. J. 1975. Opportunistic feeding of the Gila Woodpecker. Wilson Bulletin 87:275-276.

Egoscue, H. J. 1975. Population dynamics of the kit fox in western Utah. Bulletin of the Southern California Academy of Science 74:122-127.

Parker, W.S. and E.R. Pianka. 1975. Comparative ecology of populations of the lizard Uta stansburiana. Copeia 1975 (4):615-632.

Luer, C.A. 1975. The native orchids of the United States and Canada, excluding Florida. New York Botanical Garden. New York.

Rittschoff, D. 1975. Some aspects of the natural history and ecology of the leopard frog, Rana pipiens. Ph.D. Thesis, Univ. Mich. 212 pp.

Fjeldsa, J. 1975. Grebes. Villadsen and Christensen, Hvidovre, Denmark. 64 pp.

Mount, R. H. 1975. The reptiles and amphibians of Alabama. Auburn University Agricultural Experiment Station, Auburn, Alabama. vii + 347 pp.

Freidmann, H., and Smith, F.D. 1975. A further contribution to the ornithology of northeastern Venezuela. Proceedings of the United States National Museum 104:463-524.

Schaffer, W.M. and P.F. Elson. 1975. The adaptive significance of variations in life history among local populations of Atlantic salmon in North America. Ecology 56(3): 577-590.

Shake, W.F., and J.P. Mattsson. 1975. Three years of cowbird control: an effort to save the Kirtland's Warbler. Jack-Pine Warbler 53:48-53.

Fisk, E. J. 1975. Least tern: beleaguered, opportunistic, and root nesting. American Birds 29(1):15-16.

Paul, R. T., A. J. Meyerriecks, and F. M. Dunstan. 1975. Return of reddish egrets as breeding birds in Tampa Bay, Florida. Florida Field Naturalist 3:9-10.

S51CASSBNMUS, Legacy reference. Physical copy not yet located.

Luer, C.A. 1975. The native orchids of the United States and Canada. New York Botanical Gardens.

Schipper, W. J. A., L. S. Buurma, and P. H. Bossenbroek. 1975. Comparative study of hunting behavior of wintering hen harriers Circus cyaneus and marsh harriers Circus aeruginosus. Ardea 63:1-29.

Kelleyhouse, D. G. 1975. Habitat utilization and ecology of the black bear in northern California. M.S. Thesis, Humboldt State University, Arcata. 60pp.

Nethersole-Thompson, D. 1975. Pine Crossbills: a Scottish contribution. T. and A. D. Poyser, Berkhamsted, U.K.