110. TROPIDODIPSAS. 295 
1. Tropidodipsas fasciata. 
Tropidodipsas fasciata, part., Giinth. Cat. p. 181 (1858). 
Leptognathus fasciata, Cope, Proc. Ac. Philad. 1868, pp. 109 & 187. 
(Tropidodipsas) subannulatus, F. Miill. Verh. nat. Ges. Basel, 
viii. 1887, p. 274, pl. i. fig. 5 
Kye rather large. Rostral a little broader than deep, just visible 
from above; internasals two fifths the length of the przfrontals ; 
frontal a little longer than broad, as long as its distance from the 
end of the snout, shorter than the parietals ; loreal as long as deep, 
not entering the eye; two preoculars ; two postoculars; temporals 
1+2 or 2+2; seven or eight upper labials, fourth and fifth 
entering the eye, sixth or seventh largest; four or five lower 
labials in contact with the anterior chin-shields, which are a little 
longer than the posterior. Scales in 17 rows, dorsals feebly keeled. 
Ventrals 171-176; anal entire ; subcaudals 71-78. Dark brown 
or black, with 20 to 38 white (red ?) or pale brown annuli, some of 
which are complete, others broken up above and below and forming 
alternating cross bars; throat and a bar across occiput white or 
pale brown. 
Total length 600 millim. ; tail 140. 
Mexico. 
a-b. 9 (V.176; C.71) & —P Zoological Society. 
meecV. 17; C. 78). 
ce. Hgr., bad state. ; Mexico. Mr. Hugo Finck [C.]. 
(Types.) 
2. Tropidodipsas philippii. 
Tropidodipsas fasciata, part., Grinth. Cat. p. 181 (1858). 
Leptognathus philippil, Jan, Elenco, p. 101 (1863), and Icon. Gén. 
37, pl. v. fig. 1 (1870). 
albocinctus, Fvscher, Jahrb. Hamb, Wiss. Anst. ii. 1885, p. 107, 
pl. iv.. fig. 9. 
Eye rather large. Rostral a little broader than deep, just visible 
from above; internasals two fifths the length of the prefrontals ; 
frontal a little longer than broad, as long as its distance from the 
end of the snout, shorter than the parietals; loreal as long as 
or slightly longer than deep, not entering the eye; two prxoculars ; 
two postoculars ; temporals 1+2,; seven upper labials, fourth and 
fifth entering the eye, sixth largest ; six lower labials in contact 
with the anterior chin-shields, which are more than twice as long 
as the posterior. Scales in 15 rows, dorsals faintly keeled. Ventrals 
178-180; anal entire; subcaudals 67-71. A series of large 
roundish blackish-brown spots, separated by narrow whitish inter- 
spaces, occupies the upper parts, the spots descending to the sides 
of the belly ; upper lip white; belly white, with a few dark brown 
spots ; the dark brown predominates under the tail. 
Total length 330 millim.; tail 80. 
Western Mexico, California (?). 
a. 9 (V. 180; C. 71). Mexico. (One of the types of 7. fasciata.) 
b. 2 (V. 178; C. 67). San Diego, California (?). Dr. J. G. Fischer. 
(Type of L. albocinctus.) 
