42 
University of California Publications in Zoology [Vol. 27 
Figs. KK-MM. Mouthparts of mature tadpoles of California Salientia 
(X 10), at third stage of Duges (at appearance of hind limb buds). 
KK, Ascaphus truei, Lake Cushman, Washington, July 2, 1922. 
LL, Hyla arenicolor, Arroyo Encantada, San Pedro Martir Mountains, 7200 
feet, Lower California, June 16, 1923 (no. 57125, Calif. Acad. Sci.). 
MM, Bufo canorus, Mount Dana at timberline, 10,500 feet, Yosemite National 
Park, July 22, 1921. 
SYSTEMATIC LIST OF 
THE AMPHIBIA OF CALIFORNIA 
Class AMPHIBIA 
Order Catjdata 
F amily SALAMANDRIDAE 
1. Triturus torosus (Rathke). Pacific Coast Newt. 
Family AMBYSTOMIDAE 
2. Ambystoma califomiense Gray. California Tiger Salamander. 
3. Ambystoma macrodactylum Baird. Long-toed Salamander. 
4. Ambystoma paroticum Baird. British Columbia Salamander. 
5. Dicamptodon ensatus (Eschscholtz). Marbled Salamander. 
