BATRACHIANS FROM BOLIVIA 131 



A single male specimen from the Province Yungas, at an 

 altitude of 1600 metres. 



42. Elaps hemprichiij Jan. (7). 



43. Elaps marcgravtij Wied. (2, 'n. 



44. Leptognathus catesbyij Sent/. (4, 7). 



45. Lachesis neuwiedii, Wagl. (4). 



BATRACHIA. 

 Eoaudata. 



1. Engystoma ovale, Schn. (7). 



2. Pseudis li well Km. Cope (4). 



3. Hy lodes gol I meri. Ptrs. (7). 

 V Ceratophrys cornuta, L. (3), 



5. Leptodactylus typhoniitSj Daud. fi). 



li. Leptodactylus bufonius, Blgr. (7). 



7. Leptodactylus bolivianus, sp. n. -- Tongue oval, slightly 

 nicked behind. Vomerine teeth in two arched series behind the 

 choanae. Snout roundel, longer than the diameter of the orbit; 

 nostril a little nearer the tip o( the snout than the eye; inter- 

 orbital space narrower than the upper eyelid; tympanum very 

 distinct, three fourths the diameter of the eye. Fingers moderate, 

 first much longer than second ; toes moderate, fringed on each 

 side ; subarticular tubercles moderate ; two small metatarsal 

 tubercles, inner oval, outer round ; a line tarsal fold. The tibio- 

 tarsal articulation reaches the eye, or between the eye and the 

 nostril. Skin smooth above; a narrow very prominent glandular 

 fold on each side of the back, from the upper eyelid to the 

 groin ; another fold from the commissure of the eyelids, bifur- 

 cating behind the tympanum, a short lower branch extending 

 to the shoulder, whilst the main fold extend to the side oi' the 

 body, where it is often broken up into a chain of glandules ; 

 sides of belly and lower surface of thighs granular. Grey above, 

 with symmetrical darker markings expending into a cross- band 

 between the eyes; dorso-lateral fold dark-edged ; a dark canthal 

 streak and temporal spot; upper lip with vertical dark bars, 

 lower lip brown, with white spots; limbs with dark cross-bars. 



