!). CORALLUS. 99 



9. CORALLUS. 



Boa, part., Datid. Hist. liept. v. v. 106 (180^); Schley. Phi/s. Sciy. 



ii. p. 373 (1837). 

 Coiallus, Ddxd. L c. p. 256 ; Grm/, Cat. Sn. p. 97 (1849y 

 Draco {7vm Laur.), part., 0/cen, Lchrb. Natury. iii. p. 273 (1816). 

 Xipliosonia, Waijler, in Spix, Serp. Jiras. p. 40 (1824), and Si/st. 



Amph. p. 167 (1830) ; Duin. c^- L'ibr. Erp. Gen. vi. p. 350 (1844) ; 



Gray, I. c. p. 9(5 ; Jan, Icon. G6n. p. 91 (1864) ; Bocourt, Miss. Sc. 



Mex., liept. p. 520 (1882). 

 Saiiziuia, Grai/, I. c. p. 98. 

 Chrysenis, Gray, Proc. Zool. Soc. 1800, p. 132. 



Anterior maxillary and mandibular 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 pnpil. Ijody 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, witli 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. hortidanns, p. 101. 



II. Tail moderate, with 04 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. anmdatus, p. 102. 

 Scales in Gl to 71 rows ; ventrals 188- 



219 4. caniaus, 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. rnadagascariensis, p. 103. 



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



Boa hortulana, part., Sc/ilcy. Phys. Scrp. ii. p. 392 (1837). 

 Coralliis cooldi. Gray, Zu«l. Misc. p. 42 (1842). 



hortulauus, part.. Gray, Cat. p. 97 (1849). 



Xiphosoma ruschenbcrgii. Cope, Journ. Ac. Philad. viii. 1876, p. 129 ; 



Bocourt, Miss. Sc. Me.v., liept. p. 527 (1882). ' _ 

 hortulanum, Garm. Proc. Am. Philos. Soc. xxiv. 1887, p. 279. 



Rostral as broad as deep, or sligbtly deeper, not or but scarcely 



n 2 



