63. HEKPETODETAS. 71 



1. GonyopMs margaritatus. 



Gonyoaoma margaritatum, Peters, Mon. Berl. Ac. 1871, p. 578, a 



Ann. Mm. Oenova, iii. 1872, p. 39, pi. v. %. 3. 

 Gonyophis margaritatua, Bouleng. Ann. ^ Mag. N. B. (6) viii. 1891, 



p. 290 ; Werner, Verh. zool.-bot. Ges. Wien, 1893, p. 357. 



Rostral broader than deep, just visible from above ; intemasals 

 as long as broad, shorter than the prsefrontals ; frontal a little 

 longer than broad, as long as its distance from the end of the snout, 

 shorter than the parietals ; loreal longer than deep ; one prseocular, 

 not in contact with the frontal, or just touching ; two postoculars ; 

 temporals 2+2; nine upper labials, fourth, fifth, and sixth, or fifth 

 and sixth, entering the eye ; four or five lower labials in contact 

 with the anterior chin-shields, which are as long as the posterior. 

 Scales in 19 rows, feebly keeled. Ventrals 230-241 ; anal divided ; 

 subcaudals 108-120. Black above, each scale with a yeUowish- 

 green spot, or green with black borders to the scales ; hinder part 

 of body and tail with bright orange rings ; lower parts yellowish, 

 the shields with or without a black edge ; a black streak on each 

 side of the head behind the eye, and another along the suture 

 between the parietals. 



Total length 1530 miUim. ; tail 370. 



Borneo, Singapore. 



a. Tg. (V. 233 ; 0. 108). Mt. Dulit, Borneo. 0. Hose, Eaq. [0.]. 



63. HERPETODRYAS. 



Chironius, part., Fitz. N. Class. JRept. p. 31 (1826). 



Erpetodryaa, Boie, in Firussac, Bull. So. Nat. ix. 1826, p. 235, and 



Isis, 1827, p. 621. 

 Herpetodryas, Wagl. Syst. Amph. p. 180 (1830) ; Cope, Proe. Ac. 



Philad. 1860, p. 562 ; Bocourt, Miss. Sc. Mex., Sept. p. 732 (1890). 

 Macrops, Wagl. I. c. p. 182. 

 Herpetodryas, part., Sohleg. Phys. Serp. ii. p. 173 (1837) ; Bum. §• 



Bibr. Erp. G6n. vii. p. 203 (1854) ; Qunth. Cat. Col. 8n. p. 113 



(1858). 

 Dendrophia, part., Dum. Sr Bibr. t. c. p. 193. 

 Phyllosira, Cope, Proc. Ac. Philad. 1862, p. 349. 



Fig. 5. 



MaxElary and mandible of Herpetodryas fiiscus. 



Maxillary teeth 28 to 32, posterior largest, stouter if not longer 

 than the rest ; mandibular teeth subequal or decreasing in size 



