9, CORALLUS. 103 



Rostal as broad as deep or a little bi'oader, deeply pitted on each 

 Hide, scarcely visible from above, where it is in contact with a i)air 

 of small shields separating Ibe nasals; a pair of largo prtcfroutals 

 may be present ; enlarged supraocular, if present, separated from 

 the eye by a series of scales ; U to 12 scales from eye to eye across 

 the forehead, and 10 to 14 round the eye ; one or two prtcoculars, 

 and three loreals (the latter sometimes fused) ; 12 or 13 upi>er 

 labials, all except the last deeply pitted ; first and last lower labials 

 not pitted. Scales in 01 to 71 rows. Ventrals 188-219 ; anal 

 entire ; subcaudals 04-79. Adult bright green above, with white 

 spots and cross bars, yellow inferioily. Young yellowish, with the 

 white markings edged with dark green or purplish black. 

 • Total length 1450 millim. ; tail 220. 

 Guianas, Erazil. 



a b. 2 (Sc. 65; V. 204; 

 C. 74) & vg. (Sc. 65 ; 

 V. 207; 0.71). 



c. 2 (Sc. 71; V. 207; 

 0. 79). 



d. d (Sc. 63; V. 107; 

 C. 74). 



e. 2 (Sc. 07; V. 196; R. Oapin, Para. 

 C. 08). 



/. Yg. (Sc. 69 ; V. 219 ; Upper Amazon. H. W. Bates, Esq. 



C.75). [P.]. 



(Type of C'hryscnis hatesii.) 

 g, h. 2 (Sc. 6.3, 01 ; V. Brazil. 



213, 199 ; C. 78, 74). 

 i. c? (Sc. 67; V. 201; S.America. Zoological Society. 



C. 70). 



5. Corallus madagascariensis. 



Xiphosoma madagascarieiisis, JJi/m. ^- Bihr. vi. p. 549 (1844) ; Jariy 

 Icon. Gen. p. 93, 1. 7, pi. iv. (18()4) ; Buettg. Abh. Scnck. Ges. xi. 

 1877, p. 21, and t. c. 1879, p. 470. 



Sanzinia madagascariensis, Gray, Cat. p. 99 (1849). 



Rostral as broad as deep, just visible from above, followed by two 

 or three pairs of small shields, the anterior of which separate the 

 nasals ; the rest of the upper surface of the head covered with small, 

 convex, tubercular scales ; some of the scales above the eye maj' 

 coalesce to form a supraocular shield ; 8 to 11 scales across the 

 forehead, from eye to eye ; 13 to 15 upper labials, one, two, or 

 three of which enter the eye, with deep pits between them ; all the 

 lower labials deeply pitted. Scales in 41 to 53 rows. Ventrals 

 200-234 : anal entire ; subcaudals 30-48. Brown or olive above, 

 with two longitudinal series of largo roundish or rhomboidal dark 

 brown spots with yellow centre and border ; an oblique dark brown 

 streak on each side from the eye to the angle of the mouth ; lower 

 parts yellow, uniform or with small brown spots. 



Total length 1300 millim.; tail 130. 



Madagascar. 



