168 COLUBRID. 
Coronella pecilolemus, Giinth. Ann. § Mag. N. H. (4) ix. 1872, p.19. 
Liophis purpurans, Giinth. 1. c. 
Eye rather small. Rostral broader than deep, scarcely visible 
from above ; internasals a little broader than long, as long as or a 
little shorter than the preefrontals ; frontal nearly twice as long as 
broad, longer than its distance from the end of the snout, slightly 
shorter than the parietals; loreal as long as deep or deeper than 
long; one pre- and two postoculars; temporals 1+2; eight upper 
labials, fourth and fifth entering the eye; five lower labials in 
contact with the anterior chin-shields, which are as long as or a 
little longer than the posterior. Scales in 17 rows. Ventrals 150- 
179; anal divided; subcaudals 51-65. Length of tail 5 to 54 
times in the total length. Dark brown above, with a lighter, 
black-edged streak along each side of the posterior half of the body, 
most distinct on the tail; sometimes a white line across the nape ; 
upper lip white; below white, with square or transverse black spots, 
which may be confluent on the anterior portion of the body, more 
sparse posteriorly, and absent on the tail. 
Total length 460 millim.; tail 90. 
From the Guianas to the Upper Amazon. 
a. Her. (VY. 150; C. 53). Demerara. Zool. Society. 
b,c. 3 (V. 156; C. 62) & 9 Upper Amazon. “Mr. E. Bartlett [C.]. 
(¥V. 170; .C..52). (Types of C. pweilolemus.) 
d. Hgr. (V. 163; C. 65). —P E. India Company. 
(Type of C. orientalis.) 
9. Rhadinza merremii. dr om 
? 5 880 miliaris, Linn. Mus, Ad. Frid. p 27 (1754), a and S. N. i, 
p. 380 (1766). 
Coluber merremii, Wied, Reise Bras. ii. p. 121 (1821), Beitr. Nat 
Bras. i. p. 352, and Abbild. (1825). 
— miliaris, Raddi, Mem. Soc, Ital. Modena, xix. (Fis.) 1823, 
p- 65. 
Natrix chiametla, Wagl. in Sprx, Serp. Bras. p. 14, pl. ii. b. fig. 2 
(1824). 
Coluber bicolor, Reuss, Mus. Senckenb. i. p. 145, pl. viii. fig. 1 (1833), 
Coronella merremii, part., Schleg. Phys. sae ii. ay 58 (1837). 
Liophis merremii, part., "Dum. & Bibr. vii. p. 708 (1854); Giinth. 
Cat. p. 44 (1858) ; Jan, Arch. Zool, Anat. Phys. ii. 1863, p. 291. 
Osrenelle australis, Giinth. 1. ¢. p. 40. 
Ophiomorphus merremii, Cope, Proc, Ac. Philad. 1862, p. 75. 
Liophis bicolor, Jan, /. c. p. 296. 
Eye rather small. Rostral broader than deep, visible from 
above; internasals as long as broad or a little broader, shorter 
than the preefrontals ; frontal once and two thirds to twice as long 
as broad; frontal as long as or a little longer than its distance from 
the end of the snout, slightly shorter than the parietals; loreal as 
long as deep or deeper than long; one pre-and two postoculars ; 
temporals 1+2; eight upper labials, fourth and fifth entering the 
eye; five lower labials in contact with the anterior chin-shields, 
