graciosus) in Yellowstone National Park. Copeia 1969:153-160. 

 Mueller, F. C. and R. E. Moore. 1969. Growth of the sagebrush lizard, Sceloporus graciosus, in 



Yellowstone National Park. Herpetologica 25:35-38. 

 Nelson, D. J. 1948. Lampropellis triangulum gentilis in Montana. Herpetologica 4:170. 

 Nelson, D. J. 1950. Lampropellis triangulum gentilis in Montana. Herpetologica 6:41 . 

 Nussbaum. R. A., E. D. Brodie, Jr. and R. M. Storm. 1983. Amphibians and reptiles of the 



Pacific Northwest. Univ. Press of Idaho. 332 pp. 

 Ortenburger. A. 1. 1921. An eastern record and note on CHARINA BOTTAE (Blainville). 



Copeia 100:84. 

 Pearson, D. E. 1991. The northern bog lemming in Montana and the contiguous United States: 



distribution, ecology and relic species theory. Unpubl. Senior Thesis, Univ. Mont., Missoula. 



33 pp. 

 Peterson, C. R.. E. D. Koch and P. S. Com. 1992. Monitoring amphibian populations in 



Yellowstone and Grand Teton National Parks. Unpubl. Report to Univ. Wyo. Natl. Park 



Serv. Res. Center. 37 pp. 

 Phillips, K. 1990. Where have all the frogs and toads gone? BioScience 40:422-424. 

 Piatt, D. R. 1969. Natural histor>' of the Hognose Snakes Heterodon platyrhinos and Heterodon 



nasicus. Univ. Kan. Publ., Mus. Nat. History 18(4):253-420. 

 Reel, S.. L. A. Schassberger, and W. Ruediger. 1989. Caring for our natural communities: 



Region 1 - threatened, endangered and sensitive species program. USDA, USPS, Northern 



Region. Missoula. Montana. 

 Reichel, J. D. 1984. Ecology of Pacific Northwest alpine mammals. Ph.D. thesis. Washington 



State Univ., Pullman. 91 pp. 

 Reichel, J. D. 1995a. Preliminary amphibian and reptile survey of the Lewis and Clark National 



Forest: 1994. Montana Natural Heritage Program. Helena, MT. 59620-1800. 60 pp. 

 Reichel, J. D. 1995b. Preliminary amphibian and reptile survey of the Sioux District of the 



Custer National Forest: 1994. Montana Natural Heritage Program. Helena. MT. 59620- 



1800. 74 pp. 

 Reichel. J. D. 1997. Montana animal species of special concern. [Unpubl. list], Mont. Nat. 



Heritage Prog., Helena. 10 pp. 

 Reichel. J. D. and S. G. Beckstrom. 1993. Northern bog lemmings survey: 1992. Montana 



Natural Heritage Program. Helena. MT. 64 pp. 

 Reichel, J. D. and S. G. Beckstrom. 1994. Northern bog lemmings survey: 1993. Montana 



Natural Heritage Program. Helena, MT. 87 pp. 

 Reichel, J. D. and D. Flath. 1995. Identification of Montana's amphibians and reptiles. Montana 



Outdoors 26(3): 15-34. 

 Rodgers, T. L.. and W. L. Jellison. 1942. A collection of amphibians and reptiles from western 



Montana. Copeia 1942:10-13. 

 Smith. H. M. 1978. A guide to field identification Amphibians of North America. Golden Press. 



New York. 

 Smith, H. M. and E. D. Brodie, Jr. 1982. Reptiles of North America. Golden Press, NY. 240 



pp. 

 Society for Northwestern Vertebrate Zoology. 1993. Annual meeting: amphibians in the 



55 



