636 ADDENDA AND CORRIGENDA. 
temporals 1+2; eight upper labials, fourth and fifth entering the 
eye; five lower labials in contact with the anterior chin-shields, 
which are shorter than the posterior. Scales in 17 rows. Ventrals 
132; anal divided ; subcaudals 66. Reddish brown above; a black 
lateral line between the fourth and fifth rows of scales, edged above 
with yellowish on the anterior part of the body; this line widens 
on the neck and head, and, passing through the eye, joins its fellow 
on the end of the snout; upper lip white; belly pinkish yellow, 
finely speckled all over with blackish, 
Total length 430 millim.; tail 140. 
Costa Rica. 
a. 2 (V. 182; C. 66). Azahar de Cartago. Mr. Underwood [C.}. 
AAAs Page 182. Urotheca lateristriga. 
e. Yg. (V. 185; C. 117). Costa Rica. 
4. 3d be 182, 134; La Palma, Costa Rica. Mr. Underwood [C.]. 
. 91, 101). 
Ada:— Page 183. Urotheca elapoides. 
Erythrolamprus venustissimus, spec. w, Giinth. Cat. p. 48 (1858). 
k. dg, A. a. (V. 128; C. 102). Mexico. Mr. H., Finck [C.}. 
l. 9, A. 6. (V. 184; C.?). Atoyac, Guerrero. FF. D. Godman, Esq. 
Pohi. 
m. Yg., A. b. (V.124; C.114). Belize. i 
n. 9,A:6.(V. 188; C.?). Pam. J. P.G. Smith, Esq. 
P.). 
o. 2, C..6 broad black rings Yucatan. eo 
on the body (V. 134; C.?). 
BAA ioe Page 184. Urotheca bicincta. 
d. Yg. (Se. 19; V.179; Para. Dr. E. A. Goldi [P.}. 
C. 74). g 
Aaa: Page 185. Trimetopon gracile. 
ec. d (V. 182; C. 63). Turrialba, Costa Rica. Mr, Underwood [C.]. 
Page 185, Add a species :— 
2. Trimetopon pliolepis. 
Trimetopon pliolepis, Cope, Proc. Ac. Philad. 1894, p. 201. 
Apparently closely allied to, and possibly identical with, 7’. gracile. 
The only important difference seems to be in the number of rows 
of scales, viz. 17 instead of 15. Ventrals 154; subcaudals 69. 
Coloration more obscure, 
Total length 287 millim. ; tail 76. 
San José, Costa Rica. 
