470 



DUNN. 



short or very short vomerine series; 11-13 costal grooves; toes 

 usually 5, sometimes 4; grayish brown, marbled with darker, and with 

 light marking on sides. 



Description: Cal. Acad. Sci. No. 26685, adult male, Inawashiro, 

 Iwashiro Prow, Hondo, collected by V. Kuhne in 1910. 



13 costal grooves; appressed toes meeting; head width 6 in length 

 from snout to vent; head length 3i in length of body ; head oval; eye 

 as long as its distance from tip of snout ; outline of upper jaw straight 

 as seen from side; angle of jaw back of hind angle of eye; lower eyelid 

 fitting under upper in front and behind; a groove from eye to gular 

 fold; a groove from this down behind angle of jaw; limbs well de- 

 veloped; fingers 2, 3, 4, 1 in order of length; toes 2, 3, 4, 1 in order of 

 length; a tubercle under base of first finger and toe; tail shorter than 

 body, cylindrical at base, flattened at tip; vent a slit forking forwards 

 with a small tubercle in apex ; vomerine teeth beginning behind inner 

 edge of nares; a forward, incurving branch of 4 teeth; a branch of 13 

 teeth running back and in; series separated from its fellow anteriorly 

 by twice length of outer branch, and posteriorly by length of outer 

 branch; length of series equals distance between outer edge of nares 

 to median line plus width of nares; brownish gray, lighter below; 

 heavily mottled with black above, and with dark and light on sides; 

 total length 108 mm., head 15, body 52, tail 41. 



Variation: A female, Cal. Acad. Sci. Xo. 26703, same data, differs 

 in having 12 costal grooves; appressed toes separated by one costal 

 fold, head width 5| in length from snout to vent; head length 3^ in 

 length of body; toes 3, 4, 2, 1, 5 in order of length, fifth well developed 

 vent a simple slit; total length 106 mm., head 15, body 50, tail 41. 



A series of 23 specimens from Inawashiro, Cal. Acad. Sci. Nos. 

 26685-26707, shows that of 12 males two have 13 costal grooves, nine 

 have 12, and one has 11 ; of 11 females six have 13 costal grooves and 

 five have 12. Four, all females, have the appressed toes separated by 

 one costal fold; the rest have them meeting. 



Four have a fold of skin on the sides between the legs as in Ranodon 

 sibirkus. One has no fifth toe, one has this toe rudimentary, and four 

 have it shorter than do the remaining specimens. 



Two specimens from Hakone differ somewhat. 



The male, Cal. Acad. Sci. No. 16020, has 13 costal grooves, two 

 costal folds between appressed toes; rather uniform brownish or 

 pinkish gray above, lighter below; total length 109 mm., head 14, 

 body 50, tail 45. 



The female, Cal. Acad. Sci. No. 16019, an adult containing large 



