97. SIMOPHIS. 253 
than deep ; one pre- and one postocular; temporals 1+2,; seven 
upper labials, third and fourth entering the eye; anterior chin- 
shields longer than the posterior. Scales in 17 rows. Ventrals 
141; anal divided; subcaudals 120. Pale grey-brown above, with 
three darker longitudinal streaks; lips and lower parts yellowish 
white. 
Total length 390 millim. ; tail 90. 
Cuba. 
97. SIMOPHIS. 
Rhinostoma, part., Fitzing. N. Class. Rept. p. 29 (1826); Ginth. 
Cat. Col. Sn. p. 8 (1858). 
Heterodon, part., Schleg. Phys. Serp. ii. p. 96 (1837). 
Simophis, Peters, Mon. Berl. Ac. 1860, p. 521. 
Rhinaspis (Litz.), Jan, Arch. Zool. Anat, Phys. ii. 1865, p. 215. 
Maxillary teeth 20 to 22, equal; mandibular teeth equal. Head 
slightly distinct from neck, with prominent, cuneiform snout; eye 
moderate, pupil round ; rostral large, with obtuse transverse keel ; 
nostril between two nasals. Body elongate, cylindrical; scales 
smooth, with apical pits, in 15 rows; ventrals angulate laterally. 
Tail moderate ; subcaudals in two rows, 
Brazil. 
1. Simophis rhinostoma. 
Heterodon rhinostoma, Schleg. Phys. Serp. ii. p. 100, pl. iii. figs. 17- 
19 (1837). 
Rhinostoma schlegelii, Giinth. Cat. p. 8 (1858). 
Simophis rhinostoma, Peters, Mon. Berl. Ac, 1860, p. 521. 
Rhinaspis - proboscideus, Jan, Arch. Zool. Anat. Phys. ii, 1868. 
p- 215. 
Portion of rostral visible from above measuring about two thirds 
its distance from the frontal; suture between the internasals as 
long as that between the prefrontals ; frontal a little shorter than 
its distance from the end of the snout, as long as the barietale 
loreal square; one pre- and two postoculars ; temporals 2+2 
seven upper labials, third and fourth entering the eye ; four Taher 
labials in contact with the anterior chin- shields, which are as long 
as the posterior. Scales in 15 rows. Ventrals 170-190 ; anal 
divided ; subcaudals 64-66. Yellowish above (red in life 2) with 
black rings arranged in threes, the narrow interspaces between the 
three rings black-spotted ; snout black and yellow; vertex and 
occiput black, with a yellow bar across the frontal and a round 
yellow spot in the middle of the suture between the parietals ; belly 
with black transverse spots in addition to the rings. 
Total length 510 millim.; tail 105. 
Brazil. 
fas (V¥0172 3 (C, G4). Brazil. Prof. C. Machado [P.]. 
