NO. 1857. BATRACHIAN8 FROM CENTRAL AMERICA— 8TEJNEGER. 287 



supraocular hornlike appendage and continued backward over the 

 tympanum along the sides to some distance beyond the axilla. Color 

 (in alcohol) above dark olive buff with numerous narrow transverse 

 lines of purplish brown, every other of which coincides with the 

 transverse glandular ridges; a similar line across the head from tip 

 of one "horn" to the other; legs cross-lined like the back, the purplish 

 brown bands widening on the inner aspect of the thigh and tibia and 

 narrowly bordered with pale yellowish; between the eje and edge 

 of lip a strikingly distinct, large, triangular, yellowish white spot 

 preceded by a similar one of dark purplish brown in strong contrast ; 

 on the sides, from the ear backward, indications of a wide purplish 

 brown band fading out toward the groin; anal region dark purjdish 

 brown with a sharply defined, yellowish white, narrow line above; 

 thighs uniform purplish brown, underneath with a few irregular 

 whitish spots on the buttocks; rest of underside pale brownish. 



Ijimcnsions. mm. 



Tip of snout to vent 74 



Tip of snout to posterior edge of tympanum 25 



Greatest -width of head 29 



Fore legs from axilla 49 



Hind legs from vent to heel 88 



Hind legs from vent to tip of longest toe 143 



Tibia 47 



Remarks. — This strildng novelty, whose liornlike flap over tlte eye 

 bears a strong resemblance to a similar structure in the Asiatic genus 

 Megophrys as well as in the South American genus Ceratophrys, does 

 not seem to be closely related to any of the known Central-American 

 Hylas. 



GASTROTHECA CORONATA, new species. 



Diagnosis. — Derm of head completely involved in the cranial ossifi- 

 cation; outline of casque behind gently concave, the edge studded 

 with liigh, conical, erect, bony spines; a similar series of spines above 

 tympanum; supraorbital crest tubercular; canthus rostralis granular; 

 vomerine teeth on a level with the posterior edge of the choanse; 

 tympanum circular, nearly as large as the eye; fingers free; toes one- 

 third webbed. 



Habitat. — Costa Rica. 



Type.— Cat. No. 48279, U.S.N.M.; Palomo, Valle de Orosi, Cartago, 

 Costa Rica; altitude, 1,200 meters above the sea; April, 1911; C. 

 Picado, collector. 



Description of type-specimen. — Adult male. Tongue subcircular, 

 entire, and scarcely free behind ; vomerine teeth in two straight series 

 on a level with the posterior edge of the choanee; head moderate, 

 scarcely wider than long; derm of head completely involved in the 

 cranial ossification, forming a bony casque; outhne of casque beliind 

 gently concave, the edge studded with liigh, conical, erect, bony 

 spines; a similar series of spines above tympanum; supraorbital crest 



