112 



BULLETIN 34, UNITED STATES NATIONAL MUSEUM. 



longest, but is very little more than the second, and this than the first 

 and fourth. The third finger is contained nearly four times in the dis- 

 tance from elbow to tip. The fourth toe is longer than third in three 

 specimens; in one the second exceeds the fourth a little, and the same 

 are nearly equal in case of the fingers. 



The color of this species in alcohol is a kind of dark reddish-brown ; 

 l^aler beneath, mottled and marbled above, and on the sides with darker 

 brownish; most distinct on the head, especially on the snout, where the 

 skin is perfectly smooth. The head shows a tinge of grayish in the 

 ground color. 



(For fresh color see the figure in Girard's Herpetology of the United 

 States Exploring Expedition.) 



There are two varieties of this species : a. Where the loreal region is 

 flat and the muzzle narrower before the orbits, and the marblings con- 

 fined to the head; the body being of a nearly uniform brown. Eepre- 

 sented by specimens 4710 and 4053. /?. The loreal region swollen in 

 front of orbits, and hence the muzzle broader; the ground Color gray- 

 ish, with coarse brown marbling, like large hollow spots, distributed 

 over the whole upper surfaces of the body and tail. Kepresented by 

 IsTo. 5981 and a large specimen (length 8 inches C lines) in Mus. Phil- 

 adelphia Academy of Natural Sciences, from Body Bay, latitude 38° 18' 

 north, on the coast of Califoruia, procured by George Davidson, of the 

 U. S. Coast Survey. . 



Chondrottis tenehrosus Bd, Gird. 

 RESERVE SERIES. 



Catalogue No. of 

 number, spec. 



4710 

 4053 



5081 



14482 

 14491 

 14559 

 13781 



Locality. 



1 Oregon 



1 Astoria, Oregon 



Chil o w y u ok Lake, 



Oregon. 

 Pugct Sound, Oregon 



Portland, Oregon 



Shasta County, CaL. 

 do 



When 

 collected. 



1885 

 1886 

 1885 



From ■whom received. 



Exjloring expedition , 



Lieut. W: P. Trowbridge, 



U. S. Army. 

 Dr. C. B. R. Kennerly , 



do 



J. Leviaou 



L. W. Oreen 



Clias. Townsend. 



Nature of speci- 

 men. 



Alcoholic type. 

 Alcoholic. 



Do. 



Do. 

 Do. 

 Do. 

 Ad. and larvaj. 



Froporlional dimensions. 



Head: 



Lengtliof gape of mouth to its width two-thirds. 



Width contained in distance from snout to gnlar fold 1^ times. 



Width contained in distance from snout to groin 4 times. 



From snout to gnlar fold contained in distance from snout to 



groin little over 3 times. 



Distance anteriorly between eyes in length of orbit not quite twice- 



Distance from eyes to nostrils in length of orbit. four-fifths. 



Distance between external nostrils in length of orbit 1^ times. 



Distance between internal nostrils in length of orbit four-fifths. 



Width of tongue to width of head one-half. 



