306 COLUBRID. 
its distance from the end of the snout, much shorter than the 
parietals ; loreal twice as long as deep; two postoculars; temporals 
142 (or 2+2); seven upper labials, third and fourth entering the 
eye; four (or three) lower labials in contact with the single pair of 
ehin-shields, which are moderately large and separated from the 
symphysial. Scales in 17 rows. Ventrals 143-158; anal entire; 
subcaudals 19-33. Pale yellowish brown or orange above, with or 
without dark edges to the scales; uniform whitish beneath. 
Total length 330 millim.; tail 45. 
Brazil; Venezuela. 
A. A broad black vertebral stripe and a black line along each side, 
replaced by a series of spots on the anterior part of the body. 
a. b (V. 143; C. 30). Caunavieras, south Dr. Wucherer [C.]. 
of Bahia. (Type.) 
B. Two or four longitudinal series of black, light-edged, alternating 
spots or narrow cross bars. 
be. Q (V. 152; C. 19) Rio Janeiro. A. Fry, Esq. [P.]. 
& har. (V. 158; C. 21). 
‘d,e. Ye. (V. 145,143; C. Brazil? G. Lennox Conyngham, 
26, 27). Esq. [ P.]. 
9. Atractus bocourti. 
Rabdosoma maculatum, part., Bovourt, Miss. Sc. Mev., Rept. p.540, 
pl. xxxv. fig. 1 (1883). 
Snout obtuse. Rostral small, nearly as deep as broad, just 
visible from above; internasals very small; prefrontals slightly 
broader than long; frontal a little broader than long, as long as its 
distance from the rostral, much shorter than the parietals; loreal 
twice and a half as long asdeep; two postoculars ; temporals 142; 
seven upper labials, third and fourth entering the eye; four lower 
labials in contact with the single pair of chin-shields, which are 
moderately large and separated from the symphysial. Scales in 
17 rows. Ventrals 175-191; anal entire; subcaudals 25-39. 
Pale brown above, with five longitudinal series of small black spots ; 
a black streak on each side of the head, passing through the eye, 
another along the nape, and a fifth along the tail; yellowish 
beneath, with some irregular black blotches and on each side a 
series of partly confluent small spots or short streaks, forming two 
lines along the belly. 
Total length 390 millim. ; tail 40. 
Northern Peru, Ecuador. 
a. 9 (V. 175; C. 25). Acomayo, N. Peru. Messrs. Veitch [{P.]. 
19. Atractus maculatus. (Pxiare XIV. fig. 3.) 
Isoscelis maculata, Giinth. Cat. p. 204 (1858). 
Rhabdosoma maculatum, part., Giinth. 1. e. p. 241. 
Rabdosoma zebrinum, Jan, Arch. Zool. Anat. Phys. ii. 1862, p. 15. 
