112. ATRACTUS. 309 
d. 9 (V. 154; C. 35). Surinam. C. ve Ellascombe, Esq. 
(Pri 
eid (Ve 146; ©. 47); Cayenne. 
B. Pale reddish brown above, with more or less regular black 
cross bars ; belly spotted with brown. 
fe OW. 14k C23): Surinam. Hr. Kappler [C.]. 
C. Black above, with pale brown cross bars ; belly with a median 
series of black spots. 
g. & (V. 158; C. 38). Yurimaguas, Hual- Dr, Hahnel [C.]. 
laga R., N. Peru. 
D. Pale reddish brown above; snout black, back of head yellow, 
followed by a black collar; back with two alternating series of 
black spots, connected on the anterior part of the body by a 
black vertehral line ; belly dotted all over with brown. 
h. 3 (V. 147; C. 30). Manaos, Brazil. Sr. A. Peixoto [C.]. 
K. Brown above, with black-edged yellow cross bands; back of 
head yellow; belly dotted with brown, with two series of 
brown spots along the middle line. 
wk. 9 (V. 146, 154; Para. 
C. 24, 24). 
14. Atractus torquatus. 
Calamaria badia, part., Schleg. Phys. Serp. ii. p. 35 (1837). 
Rabdosoma torquatum, Dum. § Brbr. vii. p. 101 (1854). 
varium, Jan, Arch. Zool. Anat. Phys. ii. 1862, pp. 18, 125, 
and Icon. Gén. 11, pl. ili. fig. 8 (1865), 
Snout obtusely pointed. Rostral small, nearly as deep as broad, 
just visible from above; internasals very smail; prefrontals at 
least as long as broad; frontal once and one third to once and a 
half as long as broad, as long as its distance from the end of the 
snout, shorter than the parietals; loreal three times as long as 
deep; one postocular; temporals 1+1 or 142; eight upper 
labials, fourth and fifth entering the eye; four (or three) lower 
labials in contact with the single pair of chin-shields, which are 
rather elongate, moderately broad, and separated from the sym- 
physial. Scales in 17 rows. Ventrals 140-165; anal entire; 
subcaudals 35-47. Pale brown above, with small darker spots or 
narrow cross bars ; yellowish beneath, with small brown spots. 
Total length 600 millim. ; tail 75. 
Guianas. 
a,b. d (V. 155; C. 47) & Demerara Falls. 
9 (V. 165; C. 43). 
