— 102 BOIDR. 
yellow lines and marblings ; lower parts yellowish, more or less 
profusely spotted with brown. 
Total length 1800 millim.; tail 320. 
Guianas, Northern Brazil, Ecuador, Northern Peru. 
a-b. g (Sc. 55; V. 289; British Guiana. - Demerara Mus. 
©. 115) & her. (Se. oP). 
51; V. 283; C. 118). 
c. Q’ ber 53; V. 285; Berbice. Lady Essex (P}. 
C. 126). (tyes C. maculatus.) 
d. & mer 57; V. 278; Surinam. r. Kappler [C.}. 
Sy Ye. ( (Re 59; V.291; Guiana. 
a 2S (Se. 55; V. 270; Bahia. Dr. Wucherer [C.}. 
121 ). 
g: Se Sc. 57; V. 280; Upper Amazon. Mr. Bartlett [C.]. 
Se. 55; V. 287; Yurimaguas, Huallaga Dr. Hahnel [C.]. 
ig iss ; River, N.E. Peru. (o.] 
i. Yg. (Sc. 55; V.277;  Moyobamba, N.E. Mr. A. H. Roff[C.]. 
C. 112). eru. 
3. Corallus annulatus. 
Xiphosoma annulatum, Cope, Journ. Ac. Philad. viii. 1876, p. 129, 
1, xxviii. fig. 6; Bocourt, Miss, Se. Mex., Rept. p. 526, pl. “xxxi, 
kg. 4 (1882). 
Rostral deeper than broad; two small shields behind the rostral, 
separating the nasals ; no enlarged supraoculars ; 12 scales from eye 
to eye, across the forehead ; three loreals and a preocular; 14 
upper labials, all pitted ; anterior lower labials not pitted. Scales 
in 54 rows. Ventrals 260; anal entire; subcaudals 82. Ash- 
coloured, with darker oval figures on cach side; head and lower 
surfaces uniform. 
Total length 755 millim. ; tail 132. 
Costa Rica. 
4, Corallus caninus. 
Seba, Thes. ii. pls. xxxiv. figs. 1 & 2, & Ixxxi. & xevi. fig. 2 (1835). 
Boas caninus, Linn, Mus, Ad. Frid. p. 39, pl. iii. (1754). 
Boa canina, Linn, 8S. N. i. p. 378 (1760) Schneid. Hist. Amph. ii 
p. 242 (1801) ; Daud. Rept. v. p. 214 (1808) ; Schneid. Denkschr. 
Ak. Miinch, vii. 1821, p. 112; Gr. ise R.A. , Rept. pl. xix. fig. 2 
(1830) ; Schleg. Phys. Serp. ii. 1. xiv. figs. 8 & 9 (1837). 
—-- thalassina, Laur. Syn. Rok p. 30 30 (1768). 
—— aurantiaca, Laur, 1. ¢ 
— exigua, Laur. l. c 
—— hypnale, Schneid. Amph. ii, p. 243, 
Draco caninus, Oken, Lehrb, Naturg. iii. p. 276 (1816). 
ne). axeramboye, Wagl. in. Spiv, Serp. Bras, p. 45, pl. xvi. 
(182 
- caninum, Fiteing. N. Class, Rept. p. 54 (1826); Dum. §& Bibr. 
we 540 (1844); Gray, Cat. p. 96 (les) 5 Sclater, Zool. Sketches 
(1861) ; Jan, Icon. Gén, p. 91, +a ie (1864). 
on scnte batesii, Gray, Proc. Zool. Soe. 18 , p. 182, pl. xxiv, 
