1062 MISS JOAN B. PROCTEU ON NEW AND 



I L Y S 11 1) iE, 



f). Ilysia SCYTALE L. 



O L U R III N yE. 



('), Helicops POLYLEPIS Gthl'. 



One half-grown specimen is beautifully marked ; the white 

 spots on the dark brown ventrals form a paired series, and the 

 throat has a transverse wliite band as well as the usual spots. 



The throat of this specimen is puftbd out in a similar manner 

 to that of an angry Dispholidus or Spilotes. 



7. IlEaPETOBIlYAS OAIUNATUS L. 



8. Liopiiis PCECILOGYRUS Wied. 



9. RlIADINiHA COHELLA L. 



10. Xenouon mekhemi Wagl. 



]) I P S A U O M O R P n I N TE. 



11. Leptodira annulata L. 



12. oxyrhopus petglarius l. 



13. 0. DITORQUATUS Gthr. 



14. 0. coRONATUS Schneid. 



15. OXYDELIS BOULENGERI, Sp. n. 



Habit very slender ; eye large. 



Snout twice as long as eye, tapering, truncated at tip. Hostral 

 broader than deep, scarcely visible from above ; internasals 

 slightly shorter than prjwfrontals ; frontal long, elegantly shaped, 

 three times as long as broad, as loiig ub the parietals, as broad as 

 the supraoculars; loreal small, elongate, three to four times as long 

 as deep ; pneocular large, widely separated from the frontal. Eye 

 large, diameter three times its distance from lip, going five and 

 a half times into total head-length ; two or three postoculars 

 (difl'ering on the two sides); temporals 1 + 2; six upper 

 labials, the fourth very large and surrounding the lower third 

 of the eye-rim ; four lower labials in contact with the anterior 

 chin-shields, which are much shorter than the posterior pair. 

 Scales smooth, in 17 rows ; ventrals deeply rounded, 102 in 

 number ; anal divided ; subcaudals in 190 paii's. 



Body olive above, with two darker narrow lateral streaks on 

 the fifth scale-row of each side, fading into bright green on the 

 third and fourth and cream-colour on the first and outer 

 edge of ventrals. A broad bright dark green band occupying 

 the true ventral surface with a median pale green streak. 

 Tail olive-green above and below, with a cream lateral stripe 

 which fades into pale green and disappears on the posteiior half. 



Head brown-olive above, bright green on the sides ; a dark 



