rUOCEEDIXGS OF TTTJC XAriOXAL MrSIC^^^. 621 



square anteriorly; nostrils widely separated at the corners of the trun 

 cated snout, their distance greater than that between the eyes, wliicli 

 are deeply hidden under the slcin and only visible as two small dark 

 spots; mouth comparatively small, with strongly developed labial lobes; 

 body short and slender, the distance between axilla and groin being 

 but slightly greater than length of head and only one-half the length 

 of the tail, its width being much less than that of the head and even 

 less than that of the snout; limbs excessively slender and long, of 

 nearly even length, about one-fifth of the total length; fingers overlap- 

 ping knee and toes overlapping elbow when adpressed to the sides of 

 the body; fingers four, toes five; short, slender, free, with rounded 

 tips, their relative length variable; tail comparatively long, nearly one- 

 half the total length, much compressed, finned below and particularly 

 strongly above, the end pointed. 



Skin smooth; a very strongly marked gular fold; a well marked ver- 

 tebral groove; eleven costal grooves. Teeth on intermaxillaries and 

 mandible small; the vomero-palatine teeth large, decreasing in size at 

 both ends. Crill branches long and slender, the middle one longer; 

 fimbria' long and slender,' not bushy. 



Color nearly white, semitransparent, the upper surfaces densely 

 sprinkled with minute pale gray dots. 



Dimensions. — Total length, 102 mm.; from snout to anus, 53; from 

 snout to gular fold, 16; from snout to beginning of upper gill branch, 

 L*i*; width of head, 13; width of snout, 0; distance between nostrils, 7; 

 distance between eyes, G; distance between axilla and groin, 25; fore 

 limb, 20; hind limb, 20; longest finger, 2.3; longest toe, 2.5; width of 

 limbs, 1.7; tail, 11. 



I take great pleasure in dedicating tliis most interesting novelty to 

 ]\Ir. Eichard Eathbun, in recognition of his eminent services to science, 

 both as a naturalist and as the head of the scientific staff of the United 

 States Commission of Fish and Fisheries. 



