206 



MEMOIRS OF THE CARNEGIE MUSEUM 



Counts and Meastjbements. 



60. Clelia trigemina (Dumeril & Bibron). 

 Oxyrhopus trigeminus Dumeril & Bibron, Erp. Gen., VII, 1854, p. 1013. 

 Oxyrhopus trigeminus Boulenger, Cat. Snakes, III, 1896, p. 104. 



The only specimen we have at present is a female from the LeBoutelier Col- 

 lection, which is simply labelled as from "South America." C. M. No. 271. 



Frontal a trifle shorter than its distance from the tip of the snout, much shorter 

 than the parietals. The triads of dark brown bars are widely separated, but the 

 individual bars in each are close and not very distinctly marked, as the intervening 

 red scales are heavily colored with dark brown. 



Counts and Measurements. 



(No. 271.) 

 1 



Anal 



Scale-rows 19 



Gastrosteges 199 



Urosteges 64/64 



Upper labials 8(4.5) 



Preoculars 1 



Postoculars 2 



Temporals 2, 3 



Total length in mm 688 



Length of tail in mm 120 



Genus Pseudoboa Schneider. 

 61. Pseudoboa coronata Schneider. 

 Pseudoboa coronata Schneider, Hist. Amph., II, 1801, p. 286. 

 Oxyrhopus coronatus Boulenger, Cat. Snakes, III, 1896, p. 111. 



The species is represented in the collection by a male (C. M. No. 116) taken 

 at Santa Cruz de la Sierra by Jose Steinbaeh, who failed to give any further in- 

 formation. 



Eye two-fifths as long as the snout; frontal slightly broader than long, shorter 

 than its distance from the end of the snout; anterior chin-shields a little shorter 



