MacNeill, C.D. 1975. Superfamily Hesperioidea. Pages 411-578 in: W.H. Howe, editor. The Butterflies of North America. Doubleday and Co., Garden City, New York.

Zimmerman, J. R. and A. H. Smith. 1975. A survey of the Deronectes (Coleoptera: Dytiscidae) of Canada, the United States and northern Mexico. Trans. Amer. Ent. Soc. 101:651-?

Higgins, K.F., and L.M. Kirsch. 1975. Some aspects of the breeding biology of the upland sandpiper in North Dakota. Wilson Bulletin 87:96-102.

Fitch, H. S., and M. V. Plummer. 1975. A preliminary ecological study of the soft-shelled turtle, TRIONYX MUTICUS, in the Kansas River. Israel J. Zool. 24:28-42.

Pizzimenti, J.J. 1975. Evolution of the prairie dog genus Cynomys. Occasional Papers of the Museum of Natural History. No. 30. 73p.

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.

Armstrong, D. M. 1975. Rocky Mountain mammals. Rocky Mountain Nature Asscoc., Inc. 174 pp.

McKnight, B. and D. McKnight. 1975. Spring season (1 April - 31 May) bird report.

Sublette, J.S. 1975. A survey of the fishes of the Pecos, Canadian and Arkansas drainages in New Mexico. Unpubl. final report to NM Dept. Game & Fish, contract 0696, 4pp.

VanCamp, L. F. and C. J. Henny. 1975. The screech owl: itslife history and population ecology in northern Ohio. North Am. Fauna 71:1-65.

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.

Marion, W. and R. Ryder. 1975. Perch-site preferences of four diurnal raptors in northeastern Colorado. Condor. 75:350-352.

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

Atwood, N. D. 1975b. Phacelia crenulata group. Great Basin Naturalist 35: 181-182.

Froese, A. D., and G. M. Burghardt. 1975. A dense natural population of the common snapping turtle (Chelydra serpentina). Herpetologica 31:204-208.

Plummer, M. V., and H. W. Shirer. 1975. Movement patterns in a river population of the softshell turtle, TRIONYX MUTICUS. Occasional Papers of the Museum of Natural History, University of Kansas 43:1-26.

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

Bartlett, D. 1975. The flight of the snow geese. 189 pp.

Wright, F. T. 1975. Atlantic salmon (Salmo salar): an annotated bibliography. U.S. Fish and Wildlife Service Technical Paper 83:1-22.

Mason, C.T., Jr. 1975. Apacheria chiricahuensis: a new genus and species from Arizona. Madrono 23(3):105-108.

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.

Castetter, Pierce, and Schwerin. 1975. Escobaria orcuttii var. macraxina. Cactus & Succulent Journal. 47:3.

Higgins, K.F. 1975. Shorebird and game bird nests in North Dakota croplands. Wild. Soc. Bull. 3:176-179.

Reed, A. 1975. Migration, homing, and mortality of breeding female eiders SOMATERIA MOLLISSIMA DRESSERI of the St. Lawrence estuary, Quebec. Ornis Scand. 6:41-47.

Braun, C. E., et al. 1975. Results of the Four Corners cooperative band-tailed pigeon investigation. USFWS Resource Publ. 126:1-20.

McCarty, R. 1975. Onychomys torridus. Mammalian Species 59:1-5.

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

Conner, R. N., and C. S. Adkisson. 1975. Effects of clearcutting on the diversity of breeding birds. Journal of Forestry 73:781-5.

Jeglum, J. K. 1975. Vegetation-habitat changes caused by damming a peatland drainageway in northern Ontario. Canadian Field-Naturalist 89:400-412.

Reese, J. G. 1975. Diurnal vocalization by a wintering black rail. Maryland Birdlife 31(1):13-15.

Bogan, M. A. 1975. Geographic variation in MYOTIS CALIFORNICUS in the southwestern United States and Mexico. U.S. Fish and Wildl. Serv. Res. Rep. 3:1-31.

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

S51CASSBNMUS, Legacy reference. Physical copy not yet located.

Neuenschwander, L.F., S.H. Sharrow, and H.A. Wright. 1975. Review of tobosa grass (Hilaria mutica). Southwest. Nat.. 20(2):255-263.

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

Davis, C. A., R. C. Barkley, and W. C. Haussamen. 1975. Scaled quail foods in southeastern New Mexico. Journal of Wildlife Management 39:496-502.

Alison, R.M. 1975. Breeding biology and behavior of the old-squaw (CLANGULA HYEMALIS). Amer. Ornith. Union, Monog. No. 18. 52 pp.

McVaugh, W., Jr. 1975. The development of four North American herons (II). Living Bird 14:163-183.

Shields, O. 1975. Studies on North American Philotes (Lycaenidae). IV. Taxonomic and biological notes, and new subspecies. Bulletin of the Allyn Museum 28: 1-36.

Clepper, H., editor. 1975. Black bass biology and management. Sport Fishing Institute, Washington, D.C. x + 534 pp.

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.

Norman, R.F., and F.J. Robertson. 1975. Nest-searching behavior in the Brown-headed Cowbird. Auk 92:610-611.

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

Erskine, A. J. 1975a. Aspen-willow forest. American Birds 29:1131-1132.

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.

Balda, R.P., B.C. McKnight, and C.D. Johnson. 1975. Flammulated owl migration in the southwestern United States. Wilson Bulletin 87(4):520-533.

Miller, R.R. and A.A. Echelle. 1975. Cyprinodon tularosa, a new Cyprindontid fish from the Tularosa basin, New Mexico. The Southwest. Nat. 19(4):365-377.

Skinner, R.M. 1975. Grassland use patterns and prairie bird populations in Missouri. Pages 171-180 in M.K. Wali, editor. Prairie: a multiple view. University of North Dakota Press, Grand Forks, ND. 433 pp.

Conant, R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. Houghton Mifflin Company, Boston, Massachusetts. xvii + 429 pp.

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

O'Farrell, T. P., R. J. Olson, R. O. Gilbert, and J. D. Hedlund. 1975. A population of Great Basin pocket mice, Perognathus parvus, in the shrub-steppe of south-central Washington. Ecological Monographs 45:1-28.

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

Gustafson, J. R. 1975. A sage sparrow egg in a Black-throated sparrow nest. Auk 92:805-806.

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

Beaver, D.L. and P.H. Baldwin. 1975. Ecological overlap and the problem of competition and sympatry in the western and Hammond's flycatchers. Condor 77:1-13.

Svihla, A. 1975. (1) Another locality of the larvae of TANYPTERYX HAGENI Selys in Washington. and (2) Adverse factors affecting the distribution of TANYPTERYX HAGENI Selys. Tombo 18(1-4):43-45.

Douglass, J. F. 1975. Bibliography of the North American land tortoises (genus GOPHERUS). USFWS Spec. Sci. Rep. - Wildl. 190:1-60.

Owen, R. B. and J. W. Morgan. 1975. Summer behavior of radio-equipped woodcock in central Maine. Journal of Wildlife Management 39:179-182.

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.

Gutierrez, R. J., C. E. Braun, and T. P. Zapatka. 1975. Reproductive biology of the band-tailed pigeon in Colorado and New Mexico. Auk 92:665-677.