Eunectes, Wagl. Logi p. 167 (1890) 5 
); Gray, Cat. Sn. p. 102 (1849); Jan, Icon. Gén. 
Anterior maxillary and mandibular teeth longest, gradually 
decreasing in size. Head distinct from neck; snout covered with 
shields; nostril directed upwards, between three nasals, the upper 
of which are in contact behind the rostral. Eye small, with vertical 
pupil. Body cylindrical; scales very small, smooth. Tail short, 
slightly prehensile; subcaudals single. 
South America. 
1. Eunectes murinus. 
Seba, Thes. ii. pl. xxix. fig. 1 (1735). 
Boa murina, Linn. S. N. i. p. 374 (1766); Schneid. Hist. Amph. ii. 
p- 241 (1801); Daud. Rept. v. p. 155 (1803); Schneid. Denkschr. 
Pa Ory, ( 17). , p- 108; Schleg. Phys. Serp. ii. p. 380, pl. xiv. 
—— scytale, part., Linn. le. 
— sc Schneid. Hist. Amph. ii. p. 248. 
—— gigas, an Rept. iii. p. 136 (1802). 
—— anacondo, Daud. t. c. p. 161, pl. xiii. fig. 2 
a a, Wied, Beitr. Nat. Bras. i. p. 226 (1825), and Abbild. 
Eunectes murinus, Gray, Gr: A, K. ix., Syn. hee (1831); Dum. § 
Bibr. vi. p. 528 (1844) ; , Cat. p. 102 (1849); Jan, Icon. Gén. 
p. 84, L. 6, pl. iii. (1864). 
Rostral as broad as deep, scarcely visible from above: a pair of 
large preefrontals, followed by smaller shields; large loreal, a 
large preocular, and a large supraocular; three postoculars and two 
suboculars, separated from the labials by a series of small shields; 
fifteen to seventeen upper labials. Scales smooth, in 57 to 63 rows. 
Ventrals 242-266; anal entire; subcaudals 56-73. Greyish brown 
or olive above, with a single series or with two alternating series 
of large blackish transverse spots and one or two lateral series of 
blackish ocelli with white centres; top of the head dark, separated 
from the paler sides by a black streak forming a point on the snout; 
an oblique black streak on each side of the head, behind the eye; 
lower parts whitish, spo‘ted with black. 
Total length 6600 millim.; is said to attain a length of 
10 metres (33 feet). 
Guianas, Brazil, N.E. Peru, 
a,b. Hgr. ¢ (Se. 59; V. 247; *. Surinam. Lidth de Jeude 
a a Je (Sc. 59; V. Collection. 
247; 0. 63). 
e. Yq. (Sc. 63; V. 245; C.67). British Guiana. 
da. le stffd. Para. - 
1: 
