ADDENDA AND CORRIGENDA. 607 
keeled, outer row faintly keeled. Ventrals 122-130; anal divided ; 
subcaudals 43-48. Olive-grey above, with small black spots; upper 
surface of head speckled with black, back of head nearly entirely 
black ; pale olive beneath, speckled with blackish on the sides. 
Total length 290 millim.; tail 65. 
Mexico. 
a. g (V. 129; C. 48). Guanajuato. Dr. A. Dugés [C.]; 
Paris Museum | E. }. 
Add:— Page 246. Tropidonotus Sexlineatus. 
m. Her. go (V. 158; Madagascar. Christiania Mus. 
C. 163). 
Add:— Page 247. Tropidonotus dolichocercus. 
b. 2 (V. 162; C.111). Ambohimitombo forest, Dr. Forsyth Major 
Madagascar. [C.]. 
Page 248. Add a species :— 
51a. Tropidonotus balteatus. 
Trimerodytes balteatus, Cope, Proc. Ac. Philad. 1894, p. 426 (1895). 
Internasals longer than broad; prefrontals fused to a single 
shield ; frontal little longer than broad ; loreal deeper than long ; 
one pre- and two or three postoculars; temporals 1+2; nine 
upper labials, fourth and fifth or fifth and sixth entering the eye; 
six lower labials in contact with the anterior chin-shields, which 
are shorter then the posterior. Scales smooth, feebly keeled on the 
tail, in 19 rows. Ventrals 202; anal divided; subcaudals 84. 
Black, with white or pale yellow rings; labials and oculars with 
yellow centres ; a yellow line from near the angle of the mouth to 
near the middle line above ; a pair of yellow spots on the parietal 
shields near the common suture. 
Total length 377 millim. ; tail 80. 
Hainan. 
re pee Page 249. Tropidonotus tigrinus. 
Bothrodytes tigrinus, Cope, Tr. Am. Philos. Soc. xviii. 1895, p. 216. 
t-u. Yg. (V. 151, 153; Chefoo. 
C. 64, ?). 
v. Her. 2 (V.161; C.71). Chimabara, Japan. Mr. Holst [C.]. 
paar Page 252. Tropidonotus ceylonensis. 
Bothrodytes ceylonensis, Cope, Tr. Am. Philos. Soc. xviii. 1895, 
p. 215. 
