1925] St over: A Synopsis of the Amphibia of California 
31 
4. An elongate parotoid gland on each side of neck; no palmar tubercles; 
costal folds 10; coloration uniform Amby stoma paroticum 74 
4'. No parotoid glands; palmar tubercles usually present; costal folds 
11 or 12; coloration not uniform. 
5. Fingers slender, longer than palm; vomerine teeth in four patches; 
a mid-dorsal stripe of lighter color; total length less than 125 
mm Amby stoma macrodactylum 7 1 
5'. Fingers not longer than palm; vomerine teeth in two patches; 
’ total length of breeding adults more than 125 mm. 
6. Body coloration blackish with large distinct spots of yellow (pi. 
7, fig. 17); vomerine teeth in a broad forward-directed H- 
shaped pattern; total length under 210 mm 
Amby stoma calif orniense 60 
6'. Body coloration ‘marbled’ with dark brown and black (pi. 7, 
fig. 14); vomerine teeth in a nearly transverse series (text 
fig. O) ; total length up to 287 mm Dicamptodon ensatus 77 
2'. A minute naso-labial groove connecting nostril with upper lip (text fig. G).; 
teeth present on parasphenoid bone in posterior part of mouth (text 
fig. N) Family Plethodontidae 
7. Limbs much reduced, entire limb scarcely longer than diameter of body, 
body worm-like, 10 mm. or less in diameter, digits 4, 4, very short 
(pi. 9, figs. 21, 24). 
8. Costal folds 16 (rarely 15 or 17); habitat San Miguel, Santa Rosa, 
and Santa Cruz islands Batrachoseps pacificus 101 
8'. Costal folds 18 to 20. 
9. Costal folds 20[?]; inner finger and inner toe much reduced; habitat 
Santa Catalina Island Batrachoseps catalinae 98 
9'. Costal folds 18 or 19 (rarely 17 or 20); mainland forms. 
10. Costal folds typically 18; under surface of body light yellow; 
no dark line on side of body Batrachoseps major 99 
10'. Costal folds typically 19; under surface of body dark gray or 
black; a dark line along side of body. . . Batrachoseps attenuatus 89 
7'. Limbs longer, well developed; digits 4, 5. 
11. Teeth on margin of upper jaw inconspicuous; costal folds 10 or 15; 
digits tapered, not blunt at ends (pi. 9, fig. 22). 
12. Costal folds 15 Plethodon elongatus 103 
12'. Costal folds 10. 
13. Upper surface of body with large (2-3 mm.) rounded spots of 
yellow Ensatina croceater 104 
13'. Upper surface of body plain colored Ensatina eschscholtzii 107 
11'. Teeth on front margin of upper jaw projecting distinctly from the 
skin (text fig. N); costal folds 12; digits all blunt-ended (pi. 9, 
fig. 20). 
14. Head depressed; tongue freely protrusible, attached by a central 
pedicel only; digits with webs between bases (text fig. NN); 
coloration mixed blackish brown and silvery gray 
Hydromantes platycephala 114 
14'. Temporal region of head swollen; tongue not freely protrusible; 
color pattern with fine spots or ‘marbled’; toes not webbed 
between bases. 
15. Distal half of tail strongly compressed; coloration black, usually 
with small rounded white spots Aneides flavipunctatus 119 
