160 REPTILES. 



y. Half-grown : has been dried. East Indies. From the Haslar 

 Collection. 



d. Half-grown : not good state. East Indies. Presented by 



Captain Sir E, Belcher. 



e, ^. Half-grown : bad state. East Indies. Presented by Sir 



J. MacGregor. 

 T}. Half-grown. East Indies. 



Var. wanthozonia. Red-brown. 



Russell, Ind. Serp. ii. pi. 24. Dryiophis xanthozonia, {Kuhl) 

 Bole, Isis, 182/, p. 545. Tragops xanthozonius, Wagl. Syst. 

 Amph. p. 184 ; Dum. Sf Bibr. vii. p. 826. 



6. Adult. Philippines. From Mr. Cuming's Collection. 

 t. Half-grown : bad state. PhiHppines. From Mr. Cuming's 

 Collection. 



2. Passerita, Gray. 



Body and tail very thin and long, sides of abdomen rounded ; 

 head much elongated ; snout with a moveable, acute appendage, 

 shorter than one-third of the head ; pupil linear, horizontal ; 

 teeth in the upper jaw of unequal length, some in the middle 

 longer ; posterior teeth furrowed. Scales smooth, those of the 

 sides Hnear, adpressed, those of the vertebral series a little larger, 

 triangular. India. 



Herpetotragus, Fitzinger, Syst. Rept. p. 27. Tragops, Wagl. 

 Syst. Amph. p. 184. Dryiophis, sp., Boie, Cuvier, Schlegel, 

 Dryinus, sp.,jBeZ/, Dum. ^ Bibr. Passerita, Gray, Synopsis, p. 16, 

 Coluber, auct. prior. 



1. Passerita mycterizans. 



? Coluber mycterizans, Linn. Mus. Ad. Fried, p. 28 ; Lacep. 

 Quadr. Ovip. ii. pi. 4. f. 2 ; Bonnat. Ophiol. Encycl. Meth. pi. .30. 

 f. 62; Russell, Ind. Serp.t. 12, 13. Coluber mycterizans, Z)gmc?. 

 Hist. Rept. vii. pi. 81. Dryinus nasutus, Merr. Tent. p. 136 

 (not Bell). Passerita mycterizans, Gray, Ann. Phil. x. p. 208. 

 Dryinus ox3Thynchus, Bell, Zool. Journ. 1821, p. 325. Dryiophis 

 nasutus and D. pavoninus, Boie, Isis, 1827, pp- ^20, 543 ; Cuv. 

 Regne Anim. ; Guerin, Icon. Rept. t. 22. f. 2. Tragops nasutus 

 and T. pavoninus, Wagl. Syst. der Amph. p. 184 ; Schleg. Ess. 

 t. 10. f. 1-5. Herpetotragus nasutus, Fitz. Syst. Rept. p. 27; 

 Dum. 8f Bibr. vii. p. 809. 



Coloration variable, generally above green (in spirits bluish), 

 beneath paler, on the sides a well-defined yellow or white lon- 

 gitudinal stripe. 



