Batrachians and Reptiles from Venezuela, 483 



five ; seven or eiglit upper labials to below tlie centre of tho 

 eye ; ear-opening moderately large, oval. Gular appendage 

 large in the male, small in the female ; gular scales smooth. 

 Body compressed; a small nuchal fold in the male. Scales 

 small, granular, feebly keeled, a little larger on the back 

 than on the sides ; ventral scales rather large, squarish, 

 juxtaposed, smooth. The adpressed hind limb reaches the 

 neck in females, between the ear and the eye in males ; 

 digital expansions well developed ; 20 to 22 lamelloe under 

 phalanges II. and III. of the fourth toe. Tail feebly com- 

 pressed, not crested. Male with enlarged postanal scales. 

 Male greyish above, speckled and reticulate with dark green 

 on the head, body, and limbs; a white streak along the 

 upper lip, continued to the ear ; tail with dark annuli; lower 

 parts white, gular appendage bright yellow. Female greyish 

 above, without spots, with a broad coppery vertebral band 

 edged with dark grey; limbs with dark cross-bars. 



6. ?. 



millim. raillira. 



Total length 233 218 



Head 23 20 



Width of head 11 10 



Body 60 50 



Fore limb 30 25 



Hind limb , 50 42 



Tail 160 148 



Several specimens. 



3. Poli/chrus jnarmoraiuSj L. 



4. CnemidopJiorus lemniscaius, Daud. 



5. Mahuia agUis^ Raddi. 



6. Ilelminthophis Petersii, Blgr. 



A single specimen, measuring 26-5 millim., diametir of 

 body 4, length of tail 5. Black ; snout white. 



7. Glauconia macrolepis, Ptrs. 



8. Drymohius Boddaertii, Sentz. 



9. Atractus erythromelas^ sp. n. 



Snout obtuse. Rostral small, nearly as deep as broad, 

 just visible from above; internasals very small; prsefrontals 

 as long as broad ; frontal as broad as long or a little longer 

 than broad, a little shorter than its distance from the end of 

 the snout, much shorter than the parietals ; loreal twice to 

 twice and a half as long as deep; two postoculars ; temporals 



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