102 BOIDiE. 



yellow lines and raarblings ; lower parts yellowish, more or less 

 profusely spotted with brown. 



Total length 1800 millim. ; tail 320. 



Guianas, Northern Brazil, Ecuador, Northern Peru. 



a-b. S (Sc. 55 ; V. 289 ; British Guiana. Demerara Mas. 



C. 115) & hgr. (Sc. rp.i. 



51;V.283;C. 118). 



c. 5 (Sc. 53 ; V. 285 ; Berbice. Lady Essex [P.]. 



■ C. 12G). (Tjlie of C. maculatus) 



d. $ (Sc. 57 ; V. 278 ; Surinam. ' Ilr. Kappler [C.]. 

 0. 124). 



e. Yg. (Sc. 59 ; V. 291 ; Guiana. 

 C. 120). 



/. S (Sc. 55 ; V. 270 ; Bahia. Dr. "NVucherer [C.]. 



C. 121). 



fj. 2 (Sc. 57 ; V. 280 ; Upper Amazon. Mr. Bartlett [G.]. 



C. 109). 



/;. 2 (Sc. 55 ; V. 287 ; YurimaguasJIualliiga Dr. Ilalmel [C.]. 



C. Il8). Ptiver, N.E. Peru. 



i. Yg. (Sc. 55 ; V. 277 ; Moyobamba, N.E. Mr. A. H. RofE [C.]. 



C. 112). Peru. 



3. Corallus annnlatus. 



Xiphosoma anuulatum, Cope, Journ. Ac. Philad. viii. 187G, p. 129, 

 pi. xxviii. fig. G; Bocourt, Miss. Sc. Mex., Rept. p. 52G, pi. xxxi, 

 fig. 4 (1882). 



Eostral 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 lorcals and a i^rtcocular ; 14 

 upper labials, all pitted; anterior lower labials not ])itted. Scales 

 in 54 rows. Yentrals 260; anal entire; subcaudals ^2. Ash- 

 coloured, with darker oval figures on each side ; head and lox^er 

 surfaces uniform. 



Total length 755 millim. ; tail 132. 



Costa llica. 



4. Corallus caninus. 



Sela, Thes. ii. pis. xxxiv. figs. 1 & 2, & Ixxxi. & xcvi. fig. 2 (1835). 



Boas caninus, Li7m. Mus. Ad. Frid. p. 89, pi. iii. (1754). 



Boa caniua, Linn. S. N. i. p. 373 (17GG) ; Schneid. Hist. Amph. ii. 

 p. 242 (1801) ; JJaud. Rept. v. p. 214 (1803) ; ScJmcid. l)cnksr/a: 

 Ah. Mi'mch. vii. 1821, p. 112 ; Gucr. Icon. R. A., Rept. pi. xix. fig. 2 

 (1830) ; SchJeg. Fki/s. Serp. ii. p. 888, pi. xiv. figs. 8 & 9 (1837). 



■ thalassina, Lam: Syn. Rept. p. 89 (1708). 



aurautiaca, Laur. I. c. 



exigua, Laur. I. c. 



hyimale, Schneid. Anip>h. ii. p. 243. 



Draco caninus, Olicn, Lehrb. Naturg. iii. p. 276 (1816). 



Xiphosoma araramboya, Wagl. in. Spix, Serp. Rras. p. 45, pi. xvi. 

 (1824). 



caiiinum, Fitzing. N. C/ass. Rept. p. 54 (1826) ; Fum. ^- Bibr. 



vi. p. 540 (1844) ; Grai/, Cat. p. 90 (1849) ; Sclater, Zool. Sketches 

 pi. 1. (1861) ; Jan, Icon. Gen. p. 91, 1. 7, pi. ii. (1804). 



Chryseuis batesii, Gray, Froc. Zool, Sac. 1800, p. 132, pi. xxiv. 



