181. EBTIHEOIAMPETTS. 201 



Erythrolamprus beauperthuisii, Bwrn. ^ Bibr. t. e. p. 860. 



venustissimus, Dum. 8r Bibr. t. c. p. 851, pi. Ixxiv. ; Giinth. 



Cat. p. 47 (1858) ; Girard, U.S. Explor. JExped., Rerp. p. 169 



(1858) ; Cope, I. o. ; Bocourt, Miss. Sc. Mex., Bept. p. 658, 



pL xxxviii. fig. 4 (1886). 



milberti, Ihtm. §■ Bibr. t. c. p. 854. 



intricatus, Dum. Sr Bibr. t. c. p. 856. 



albostolatus, Cope, I. c. 



sesculapii, vara, monozona, dicranta, bizona, confluentus, tetra- 



zona, Jan, I. c. 



ocellatus, Peters, Mon. Berl. Ac. 1868, p. 642. 



guentheri, Oarm. N. Am. Sept. p. 154 (1883). 



Snout very sbort, convex, rounded. Rostral broader than deep, 

 just visible from above ; internasals shorter than the prsBfrontals ; 

 frontal once and a half to once and two thirds as long as broad, 

 longer than its distance from the end of the snout, shorter than the 

 parietals ; loreal deeper than long ; one praeocular (rarely divided), 

 two postoculars ; temporals 1 + 2 (rarely 1 + 1); seven upper 

 labials, third and fourth entering the eye ; four or five lower labials 

 in contact with the anterior chin-shields, which are longer than the 

 posterior. Scales in 15 rows. Ventrals 172-204 ; anal divided ; 

 subeaudals 38-61. Coloration very variable; body usually with 

 black annuli. 



Total length 780 miOim. ; tail 105. 



Tropical America. 



A, Annuli single, wide apart, 11 or 12 on the body ; the scales on 



the red interspaces tipped with black ; head-shields aU spotted 

 or margined with black ; two black bands across the head, the 

 first passing through the eyes, the second on the occiput. 

 {E. monozona, Jan.) 



a. tJ (V. 192; 0.50). Bahia. 



b-c. a (V. 195; C. Brazil. Sir C. Stuart [P.]. 



61)&yg.(V.201; 



C. 53). 



B. As in the preceding, but annuli in pairs (11 to 15 pairs on the 



body). (C veriustissimus, Wied.) 



a. (J (V. 194 ; C. 49). Rio Janeiro. Haslar Collection. 



*. tJ (V. 197 ; C. 51). BraaS. G. Lennox Conyng- 



ham, Esq. [P.]. 



c. Yg. ("V. 191 ; C. 60). Venezuela. Mr. Dyson fCl. 



d. 2 (V. 186 ; 0. 61). Call, Columbia, 3200 ft. Mr. W. F. H. Rosen- 



bergrC.]. 



e. $ (V. 197; C. 50). Irazu, Costa Rica. F. D. Godman, Esq. 



[P.]. 

 f-gi. Yg. (V. 198, 198 ; Chiriqui. G. Champion, Esq. 



C. 60, 61). [C.]; F.D.Godman, 



Esq.[P.]- 

 h. Ad. skeleton. Brazil. G. Lennox Conyng- 



ham, Esq. [P.]. 



