181. ERYTHROLAMPRUS, ‘ 201 
Erythrolamprus peaper dune) Dum. § Bibr. t. ¢. p. 850. 
venustissimus, Dum. & Bibr. t.c. p. 851, pl. lxxiv.; Giinth. 
Cat. p. 47 (1858); Girard, U.S. Explor. Exped., Herp. p. 169 
(1858); Cope, 1. c.; Bocourt, Miss. Sc. Mex., Rept. p. 658, 
pl. xxxviii. fig. 4 (1886). 
— milberti, Dum. § Bibr. t. c. p. 854. 
intricatus, Dum. & Bibr. t. ¢. p. 855. 
—— albostolatus, Cope, /. ¢. 
—— esculapii, vars. monozona, dicranta, bizona, confluentus, tetra- 
zona, Jan, l. ¢. 
— ocellatus, Peters, Mon. Berl. Ac. 1868, p. 642. 
guentheri, Garm. N. Am. Rept. p. 154 (1883). 
Snout very short, convex, rounded. Rostral broader than deep, 
just visible from above; internasals shorter than the prefrontals ; 
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 preocular (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 ; 
subcaudals 38-61. Coloration very variable; body usually with 
black annuli. 
Total length 780 millim.; 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 all 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. 6 (V.192; C.50). Bahia, 
b-c. go (V. 195; C. Brazil. Sir C. Stuart [P.]. 
51) & yg. (V. 201; 
C. 53). 
B. As in the preceding, but annuli in pairs (11 to 15 pairs on the 
body). (C. venustissimus, Wied.) 
a. d (V. 194; C. 49). Rio Janeiro. Haslar Collection. 
&. 3 (V.197; C.51). Brazil. G. Lennox Conyng- 
ham, Esq. [P.]. 
ce. Yg. (V. 191; C. 60). Venezuela. ae ae non [Or 
d. 2 (V. 186; C.51). Cali, Columbia, 3200 ft. Mr. W. F. H. Rosen- 
berg {C.1. 
e. 2 (V. 197; 0.50). Irazu, Costa Rica, F. D. Godman, Esq. 
Pi 
J-g. Yg. (V. 198,198; Chiriqui. ql Champion, Esq. 
C. 60, 61). C.]; F.D.Godman, 
sq. [P.}. 
h. Ad. skeleton. Brazil. G. Lantos Conyng- 
ham, Esq. [P.]. 
