241. ELAPs. 413- 



No anterior temporal ; sixth labial large 

 and forming a suture with the parietal; 

 third upper labial larger than fourth. . 11. decoratus, p. 419. 



6. Eye shorter than its distance from the mouth (in the 

 adult); parietals not longer than their distance from 

 the internasals ; ventrals 179-231 ; subcaudals 30-53. , 



Frontal as long as the parietals ...... 12. dumerilii, p. 419. 



Frontal shorter than the parietals .... 13. corcdlinus, p. 420. ' 



_ c. Eye shorter than its distance from the mouth (in the 

 adult); frontal shorter than the parietals, which are 

 longer (even if but slightly) than their distance from 

 the internasals. 



a. Anal entire; centrals 168-181 ; subcaudals 22-29. 



14. hemprichii, p. 421. ' 



„^ j3. Anal divided (very rarely entire). 



* Snout obtusely pointed, projecting considerably beyond 

 the mouth ; ventrals 200-221 ; subcaudals 19-28. 



Parietals a little longer than their 



distance from the internasals 15. tscJiudii, p. 422. '- 



Parietals very elongate 16. dissoleucus, p. 422. 



-— ** Snout broadly rounded, scarcely projecting. 



t Yentrals 180-240 ; anterior temporal large and 



deep. 



Subcaudals 30-59 ; frontal usually more 

 - than once and a half as long as broad ; 



anterior chin-shields shorter than the 



posterior 17. fulvius, p. 422. ^ 



Subcaudals 32-47 ; frontal not more than 



once and a half as long as broad; 



anterior chin-shields shorter than the 



posterior IS. psyches, p. 426. 



Subcaudals 22-29 ; eye measuring two 



thirds its distance from the mouth in 



the adult; anterior chin-shields shorter 



than the posterior 19. spixii, p. 427. ' 



Subcaudals 15-26; eye measuring two 



thirds to three fourths its distance from 



the mouth in the adult 20. frontalis, p. 427. '- 



Subcaudals 23-42; eye measuring two 



fifths to three fifths its distance from 



the mouth in the adult ; anterior chin- 

 shields not or but slightly shorter than 



the posterior 21. marcgravii, p. 428, 



