9. CORAILUS. 



9. CORALLUS. 



Boa, part., Baud. Hist. Rept. v. v. 106 (1803) : Schleg. Fhys. Serp. 



ii. p. 373 (1837). 

 Corallus, Baud. t. c. p. 256 ; Gray, Cat. Sn. p. 97 (1849). 

 Draco (non Zaur.), part., Oken, Lehrb. Naturg. iii. p. 273 (1816). 

 Xiphosoma, WagUr, in Spix, Serp. Bras. p. 40 (1824), and 8yst. 



Ampk. p. 167 (1830) ; Bum. 8f Bibr. Erp. Gin. yi. p. 856 (1844) ; 



Gray, I. c. p. 96 ; Jan, Icon. G4n. p. 91 (1864) ; Bocourt, Miss. Sc. 



Mex., Rept. p. 526 (1882). 

 Sanzinia, Gray, I. c. p. 98. 

 Chryseni8, Gray, Proc. Zool Soc. 1860, p. 132. 



Anterior maxillary and mandibula'r teeth very large, posterior 

 small. Head distinct from neck, covered with scales or small 

 shields; nostril between three shields; both lips with deep pits. 

 Eye moderate, with vertical pupil. Eody compressed ; scales small, 

 smooth. Tail more or less elongate, or short, prehensile ; sub- 

 caudals single. 



Tropical America ; Madagascar. 



Synopsis of the Species. 



I. Tail long, with at least 100 subcaudals ; nasals usually in con- 



tact behind the rostral ; no labials entering the eye. 



Scales in 39 to 47 rows ; ventrals 



253-285 1. cooJcii, p. 99. 



Scales in 51 to 59 rows; ventrals 



270-299 2. hortulanus, p. 101. 



II. Tail moderate, with 64 to 82 subcaudals ; rostral in contact 



with a pair of small shields separating the nasals ; no labials 

 entering the eye. 



Scales in 54 rows ; ventrals 260 .... 3. annulatus, p. 102. 

 Scales in 61 to 71 rows ; ventrals 188- 



219 4. caninus, p. 102. 



III. Tail short, with 30 to 48 subcaudals ; rostral in contact 

 with a pair of small shields separating the nasals ; eye in 

 contact with labials; scales in 41 to 53 rows; ventrals 

 200-234 5- madagascariensis, p. 103. 



1. Corallus cookii. (Plate IV. fig. 3.) 



Boa hortulana, part., ScMeff. Phys. Serp. li. p. 392 (1837). 

 Corallus cookii. Gray, Zool. Misc. p. 42 (1842). 



hortulanus, part., Gray, Cat. p. 97 (1849). ... ,„^„ .,„„ 



Xiuhosoma ruschenbergii. Cope, Journ. Ac. Pfalad. viu. iS/b,p. i.i9; 



Bocourt, Miss. Sc. Mex., Sept. ^. 627 (1882). _ 

 hortulanum, Garm. Proc. Am. Philos. Soc. xxiv. 1887, p. J79. 



Eostral as broad as deep, or shghtly deeper, not or but scarcely 



h2 



