82 



about 22 dark cross-bands, and posterior dorsal stripe ; head 

 with 3 black streaks, one median, the others postocular. 

 Assam. 



C. PiCTUS, Carlyle ; C. nuthalli, Theohalcl. 



Scales 23. Vertical and supraciliariea large. Labials 9 

 (5 and 6). Reddish grey with four anterior dorsal series of 

 rhomboidal black ocellated spots ; posteriorly four dorsal 

 dark bands with white intervals. Oval black postocular 

 spot. 



The snake obscurely described by Blyth as Platyceps 

 semifasciatus is here placed by Mr. Theobald and more fully 

 described : — 



C. SEMIFASCIATUS, Blytk 



Scales 19. Ventrals 187. Labials 9 (5 and 6). Occipitals 

 very large ; vertical with very concave sides. Pale olive 

 grey, with anterior dark cross-bands and alternate dark 

 spots, fading posteriorly. cj mark on occipitals ; belly 

 white. 



Subathoo. 



ELAPHIS, D. and B. 



Body elongate and compressed, head distinct from neck. 

 Tail moderate. Scales 23-25 keeled. Ventrals 200 or more, 

 plain or slightly keeled ; anal bifid. Eye moderate, pupil 

 round. Head-shields regular ; 2 nasals ; 2 preoculars. 

 Maxillary teeth equal. 



Central Asia and China. 



E. DiONE, Pallas. 



Brown or olive, speckled with red ; dorsal series of black 

 rings, vertebral and dorsal black stripes ; head with brown 

 oblique cross-bands. 



E. SAUROMATES, Pallas. 



Broad black cross-bands with yellow intervals. Head 

 and belly often yellow with black markings. 



