The amphibians of western North America; an account of the species known to inhabit California, Alaska, British Columbia, Washington, Oregon, Idaho, Utah, Nevada, Arizona, Sonora, and Lower California
- publisher: San Francisco, California academy of sciences
- creator: Slevin, Joseph Richard, 1881-
- Keyword: Amphibians North America. Reptiles North America.
- years: 1928.
- pages: 152 p.
- language: eng
- lccn: s
- class: Q11
- notes: Added t.p.: Occasional papers of the California academy of sciences, 16
- download: pdf file
