1925] Storer: A Synopsis of the Amphibia of California 
41 
8'. Size smaller, total length 26 mm. or less; lateral margin of 
mouth region apparently with papillae only on lower half; 
lower labial teeth in three equal rows (text fig. JJ); known 
only from Mohave and Colorado deserts and mountains 
bordering latter area Bufo punctatus 194 
6'. Anus dextral; spiraculum directed backward and upwards; lower lip 
(but not middle of upper) bordered with papillae. 
9. Anus opening above lower margin of ventral tail fin; eyes lateral, 
visible from ventral as well as dorsal aspect of body . . . Genus Hyla 
10. General coloration of larva blackish, not mottled; first row of 
labial teeth below mouth continuous, not interrupted (text 
fig. GG) Hyla regilla 217 
10'. General coloration of larva dark gray; mottled with lighter 
color; first row of labial teeth below mouth interrupted in 
midline (text fig. LL) Hyla arenicolor 204 
9'. Anus opening close to margin of ventral tail fin; eyes on upper 
surface of body, close together Genus Rana 
11. Labial teeth in — — rows, only the first row above the 
5 
mouth complete, the others short and lateral; first row 
below interrupted at midline, others complete (text fig. 
II) Rana boylii boylii 247 
[possibly also Rana boylii muscosa] 
11'. Labial teeth in not more than 3/3 rows. 
12. Belly yellowish, non-iridescent; body coloration green- 
ish; labial teeth in 3/3 or 2/3 rows; third and fourth 
rows of equal length (text fig. DD); total length up to 
135 mm Rana catesbeiana 277 
12'. Belly whitish or pinkish with distinct iridescence; labial 
teeth in 2/3 rows; fourth row shorter than third (text 
fig. HH); total length under 100 mm 
Rana aurora draytonii 234 
