A NEAV SAIAMANDER FROM NICARAGUA. 



By Leonhard Stejneger, 



Curator, Diriaion of Reptiles and Batraehians, U. S. National Museum. 



In a small collection recently received from Dr. W. F. Thornton, 

 Bluefields, Nicaragua, there is a very interesting new salamander, 

 which it is desirable to place on record. 



SPELERPES COLLARIS, new species. 



Diagnosis. — Limbs and digits well developed, the latter extensively 

 webbed, with the tips free; 19 costal grooves; palatine teeth extend- 

 ing exteriorly beyond choanae, separated from parasphenoid teeth; 

 snout truncate; body elongate, distance from snout to vent five times 

 the distance to gular fold. 



Habitat. — Nicaragua. 



Type.—Cat. No. 37350, U.S.N.M. Topaz mine, ''90 miles NW. of 

 Bluefields, and 50 miles back in direct line from the coast ;" elevation 

 400 feet. 



Description of type specimen. — Palatine teeth in two slightly arched 

 series extending outward beyond the choanne and separated from 

 the parasphenoid teeth by a narrow interval; parasphenoid teeth 

 in two narrow and exceedingly long patches, which are confluent 

 anteriorlj-, but well separated behind; head depressed, long and 

 rather narrow; snout projecting, nearly truncate anteriorly, the 

 labial protuberances below the nostrils strongly developed; body 

 elongate, the distance from tip of snout to anterior end of vent meas- 

 uring full}^ five times the distance from the same point to the gular 

 fold; limbs rather short; fingers and toes short, extensively webbed, 

 but with the tips free; (tail missing); skin smooth on top of head, 

 finely granulated on the body; a distinct gular fold; 19 costal grooves, 

 including the one in the axilla; vent a simple longitudinal slit. Color 

 (in alcohol), uniform plumbeous, the body color being a mixture of 

 minute black specks dusted over a pale ground; edge of gular fold 

 and a semilunar mark around the insertion of the legs, as well as a spot 



Proceedings U. S. National Museum, Vol. XXXII— No. 1538. 



465 



