286 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.41. 



Color (in alcohol) above dark brown, with a pale irregular band 

 extending from beliind the eye backward over the shoulder along the 

 sides to the groin, and another similar one, but fainter, from the occiput 

 on each side of the back, disappearing on the anterior third of the 

 tail; underside paler; palms and soles still more so. 



Dimensions. 



mm. 



Total length 66 



Snout to vent 31 



Tail 35 



Snout to gular fold 6 



Width of head 4 



Between axilla and groin 20 



Fore legs 5 



Hind legs 6 



HYLA CERATOPHRYS, new species. 



Diagnosis. — Derm of head involved in the cranial ossification; 

 outer fingers webbed at the base; head broader than long; choanse 

 very large, subtriangular; vomerine teeth between the choana?; 

 posterior border of casque not raised; outer edge of upper eyelid pro- 

 duced into a large triangular "horn." 



Habitat. — Panama. 



Type. — Cat. No. 47705, U.S.N.M.; upper Pequini River, Republic 

 of Panama, March 29, 1909; A. IT. Jennings, collector. 



Description of type-specimen. — Tongue subcircular, entire, and 

 scarcely free behind; vomerine teeth in two long, slightly oblique 

 series between the choanse; choanae large, subtriangular, longer in an 

 anteroposterior direction than in the transverse direction; head large, 

 considerably broader than long; derm of head involved in the cranial 

 ossification; posterior edge of casque nearly straight, not raised; 

 distance between nostril and eye nearly equals diameter of latter; 

 loreal region concave; canthus rostralis sharp, slightly raised; in- 

 terorbital space broader than upper eyelid without the "horn," 

 concave; superciliary edge of upper eyelid produced into a large 

 triangular, pointed flap which overhangs the eye like a "horn;" 

 tympanum distinct, longest diameter about one-half the diameter of 

 the eye; no projecting rudiment of pollex; toes two-thirds webbed; 

 disks of fingers nearly as large as tympanum, of toes slightly smaller; 

 articular 'tubercles moderately developed; inner metatarsal tubercle 

 slightly developed, no outer; no tarsal fold; the hind leg being carried 

 forward along the body, the tibio-tarsal articulation extends forward 

 beyond the tip of the snout by about one-third the length of the tibia; 

 to}) of head finely granular, of back nearly smooth, the latter with 

 about nine transverse, narrow lines of glandular tubercles; underside 

 strongly granular, including throat, but not chin, which is nearly 

 smooth; a glandular fold extending along the outer edge of the 



