9. CORALLUS. 103 
Rostal as broad as deep or a little broader, deeply pitted on each 
side, scarcely visible from above, where it is in contact with a pair 
of small shields separating the nasals; a pair of large prefrontals 
may be present; enlarged supraocular, if present, separated from 
the eye by a series of scales; 9 to 12 scales from eye to eye across 
the forehead, and 10 to 14 round the eye; one or two prwoculars, 
and three loreals (the latter sometimes fused); 12 or 13 upper 
labials, all except the last deeply pitted ; first and last lower labials 
not pitted. Scales in 61 to 71 rows. Ventrals 188-219; anal 
entire; subcaudals 64-79. Adult bright green above, with white 
spots and cross bars, yellow inferiorly. Young yellowish, with the 
white markings edged with dark green or purplish black. 
Total length 1450 millim. ; tail 220. 
Guianas, Brazil. 
a-b. 9 (Se. 65; V. 204; British Guiana. Demerara Mus. [P.]. 
©. 74) & yg. (Sc. 65; 
V. 207 ; é 71). 
¢. - ” ge 71; V. 207; Surinam. Lidth de Jeude Coll. 
. 79). 
d. oe 63; V. 197; Surinam. Hr. Kappler [C.}. 
. 74). 
e. C ‘@ 67; V. 196; R. Capin, Para. 
. 68). 
. Yg. (Se. 69; V. 219; Upper Amazon. H. W. Bates, Esq. 
t OS. ae (P. 
; (Type of Chrysenis batesit.) 
g,h. 2 (Sc. 63, 61; V. Brazil. 
213, 199; C. 78, 74). 
i. ¢ (Sc. 67; V. 201; 8S. America. Zoological Society. 
C.70). 
5. Corallus madagascariensis. 
Xiphosoma madagascariensis, Dum. § Bibr. vi, p. 549 (1844) ; Ji 
con. Gén. p. 93, 1. 7, pl. iv. eee; Boettg. Ma. Seach. A Bee 
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 may 
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 large 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 
yellow, uniform or with small brown spots. 
Total length 1300 millim. ; tail 130. 
Madagascar. 
fh ijathy. 
= 
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