griffin: ophidia from south America in carnegie museum 185 



Counts and Measurements. 



Anal 1/1 



Scale-rows 15 



Gastrosteges 179 



Urosteges 103/103 



Upper labials 8(4.5) 



Preoculars 1 



Postoculars 2 



Temporals 1, 2 



Total length in mm 1212 



Length of tail in mm 355 



30. Leptophis nigromarginatus (Giinther). 

 Ahcetulla nigromarginata Guenther, Ann. & Mag. Nat. Hist. (3), XVIII, 1866, p. 



28. 

 Leptophis nigromarginatus Boulenger, Cat. Snakes, II, 1894, p. 112, PI. Ill, fig. 3. 



There are two females of this species in the collection, which were received 

 from Mr. J. O. Kerby, and have attached to them labels which indicate that they 

 were taken at Pranquina on the Amazon River. They bear the Catalog Numbers 

 2007 and 2008. The tip of the tail of No. 2007 has been lost. 



CotTNTS AND Measurements. 



(No. 2007.) (No. 2008.) 



Anal 1/1 1/1 



Scale-rows 15 15 



Gastrosteges 158 162 



Urosteges 111/111 157/157 



Upper labials 8(4.5) 9(5.6) 



8(4.5) 



Preoculars 1 1 



Postoculars 2 2 



Temporals 1,1 1, 1 



1,2 1, 2 



Total length in mm 940 1077 



Length of tail in nmi 317 392 



31. Leptophis occidentalis (Giinther). _ 



Ahcetulla occidentalis Guenther, P. Z. S., 1859, p. 412. 



Leptophis occidentalis Boulenger, Cat. Snakes, II, 1894, p. Ill, PI. Ill, fig. 2. 



The Carnegie Museum has five specimens of this species listed as follows : 

 No. 140, 9 , Bonda, Colombia, H. H. Smith coll., June. 

 No. 141, 9 , Bonda, Colombia, H. H. Smith coll., August. 

 No. 1095, 9 , Bonda, Colombia, H. H. Smith coll., August 25. 

 No. 1869, d", Colombia, H. H. Smith coll. 

 No. 1870, 9 , Colombia, H. H. Smith coU. 



