9. COKALLUS. 103 



Eostal as broad aa deep or a little broader, deeply pitted on each 

 side, scarcely visible from above, where it is ia contact vcith a pair 

 of small shields separating the nasals ; a pair of large preefrontals 

 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 prseoculars, 

 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 greep. or purplish black. 

 Total length 1450 millim. ; tail 220. , ^ , ^ ^ ., , 

 Guianas, Brazil. ^^-^^ / .i^-^ "^^' ^'' - ^' ij 



a-b. $ (Sc. 65 ; V. 204 ; British Guiana. Demerara Mus. [P.]. 



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

 V. 207 ; 0. 71). 



c. 2 (Sc. 71 ; V. 207 ; Surinam. Lidth de Jeude Coll. 

 0. 79). 



d. S (Sc. 63; V. 197; Surinam. Hr. Kappler [0.]. 

 C. 74). 



e. 2 (Sc. 67; V. 196; R. Capin, Para. 

 0. 68). 



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



0.75). [P.]. 



(Type of Chrysenis hatesii.) 

 g, h. $ (Sc. 63, 61 ; V. Brazil. 



213, 199 ; 0. 78, 74). 

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



C. 70). 



5. CoraUus madagascariensis. 



Xiphosoma madagascariensis, Dum. 8f Bihr. vi. p. 649 (1844) ; Jan^ 

 Icon. Gen. p. 93, 1. 7, pi. iv. (1864) ; Boettg. Abh. Senck. 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 smaU, 

 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 

 parts yeUow, uniform or with small brown spots. 



Total length 1300 millim. ; taU 13,0. 



Madagascar. 



