976 1 8. TESTUDINIDJE 



dull yellow, and the markings on the limbs, tail, neck, and 

 gular region form irregular longitudinal bands. 



Length of carapace 27 45 90 120 125 16+ 



Length of plasteron ..2+ 4-0 79 109 117 153 



Width of carapace 27 42 71 101 100 130 



Width of plastron 21 33 57 85 85 105 



Length of tail 21 30 36 38 48 65 



Distnbiitwn. — The Pacific Terrapin probably occurs in 

 all the fresh waters of the Pacific Slope from Lower Cali- 

 fornia to British Columbia. It has been taken at both San 

 Diego and Puget Sound, as well as at many intermediate 

 localities. 



In California, it has been found in San Diego (San 

 Diego), Orange (Laguna Beach), Riverside (Riverside), 

 Los Angeles (San Gabriel, Arroyo Seco and Tujunga can- 

 yons), San Bernardino (Mohave River), Kern (Fort Tejon, 

 Poso Creek, Buena Vista Lake, South Fork of Kern River 

 25 miles above Kernville), IMadera (Raymond), Mariposa 

 (at 2,800 feet six miles east from Coulterville, Dudley), 

 San Joaquin (Stockton), Monterey (Monterey, Carmel, Cas- 

 troville), San Benito (Hollister), Santa Cruz (Santa Cruz), 

 Santa Clara (Coyote Creek, Uvas Creek, Los Gatos, Palo 

 Alto), San Mateo (San Francisquito Creek), San Francisco, 

 Contra Costa (Mount Diablo), Marin (San Rafael, Nicasio), 

 Napa (Calistoga), Sonoma (Sonoma, Agua Caliente, Clover- 

 dale), Shasta (Pit River, Baird, McCloud River), and Sis- 

 kiyou (Montague, McCloud River, Lower Klamath Lake), 

 counties. 



In Oregon, it is abundant about the Klamath Lakes and 

 in Link River at Klamath Falls, Klamath County. 



In Washington, it has been reported from the Puget 

 Sound region, Seattle, Fort Steilacoom, and Walla Walla. 



Lord reports it common on Vancouver Island. 



