| 其他書名 | An Account of the Species Known to Inhabit California and Oregon, Washington, Idaho, Utah, Nevada, Arizona, British Columbia, Sonora and Lower California. Snakes and turtles. 2 |
| 出版 | California Academy of Sciences, 1922 |
| URL | http://books.google.com.hk/books?id=VSd70AEACAAJ&hl=&source=gbs_api |