Bibliography and Citations
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Land Mollusca of North America (north of Mexico), vol. 1, pt. 1. Academy of Natural Sciences of Philadelphia Monograph. 3(1):1-574.
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1939. A new subspecies of Polygyra from Idaho. Nautilus. 44:121-122.
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1931. A new species of Hemphilia. Nautilus. 11:44.
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1897. Revision of the North American slugs: Binneya, Hemphilia, Hesperarion, Prophysaon and Anadenulus. Proceedings of the Academy of Natural Sciences of Philadelphia. 50:219-261.
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Submitted. The Idaho-Montana slug Magnipelta (Arionidae). Notulae Naturae. 262:2626pp..
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1954. Land Mollusca of North America (North of Mexico). Academy of Natural Sciences of Philadelphia Monograph. 3(1):1-573.
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1939. Land Mollusca of North America (north of Mexico), vol. 2. pt. 2. Academy of Natural Sciences of Philadelphia Monograph. 3(2):521-1113.
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1948. Notes on the anatomy of Oreohelix,—III, with descriptions of new species and subspecies. Proceedings of the Academy of Natural Sciences of Philadelphia. 85:383-410. Available from http://www.jstor.org/stable/4064181
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1933. New American land shells. Nautilus. 16:30-33.
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1902. A new species of Fluminicola. Nautilus. 21:75-76.
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1907. Catalogue of the Amnicolidae of the western United States. Nautilus. 12:121-127.
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1899. Magnipelta, a new genus of Arionidae from Idaho. Nautilus. 67:37-38.
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1953. Land Mollusca of North America (north of Mexico), vol. 2, pt. 1. Academy of Natural Sciences of Philadelphia Monograph. 3(2):1-520.
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1946. Species of Polygyra from Montana, Idaho, and the Pacific coast states. Proceedings of the Academy of Natural Sciences of Philadelphia. 80:177-186.
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1928. Notes on the anatomy of Oreohelix, -III, with description of new species and subspecies. Proceedings of the Academy of Natural Sciences of Philadelphia. 85:383-410.
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1996. Evaluating effects of fish stocking on amphibian populations in wilderness lakes. 5. Missoula (MT): U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 328-335. Available from http://www.fs.fed.us/rm/pubs/rmrs_p015_5/rmrs_p015_5_328_335.pdf
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2000. Local and landscape effects of introduced trout on amphibians in historically fishless watersheds. Ecosystems. 4(4):322-333.
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2001. Fire and amphibians in North America. Forest Ecology and Management. 178(1-2):163-181. Available from http://leopold.wilderness.net/pubs/474.pdf
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2001. Seasonal migration of Columbia spotted frogs (Rana lutieventris) among complementary resources in a high mountain basin. Canadian Journal of Zoology. 80(11):1849-1862. Available from http://leopold.wilderness.net/pubs/561.pdf
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2002. Effects of amphibian Chytrid fungus on individual survival probability in wild boreal toads. Conservation Biology. 24(5):1259-1267.
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2010. Managing habitat to slow or reverse population declines of the Columbia spotted frog in the northern Great Basin. 79. Journal of Wildlife Management(4):579-590.
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2015. Non-native salmonids affect amphibian occupancy at multiple spatial scales. Journal of Conservation Biogeography. 16(6):959-974. Available from www.blackwellpublishing.com/ddi
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