209. DisTiEA. 287 



Bostral broader than deep ; 35-42 



scales round the neck, 40-50 round 



the body 3. omafa, p. 290, 



Eostral broader than deep ; 28-33 



scales round the neck, 38-43 round 



the body 4. godeffroyi, p. 291. 



6. A single anterior temporal; 27 scales round the neck, 

 38 round the body ; ventrals 329-335. 

 Two postoculars ; two labials entering 



the eye 5. melanosoma, p. 291. 



One postocular ; three labials entering 



the eye 6. semperi, p. 292, 



2. Two pairs of chin-shields in contact on the middle line or 

 the posterior separated by a single scale. 

 a. A single anterior temporal. 



a. Eostral broader than deep ; ventrals 300-354. 

 23-25 scales round the neck ; frontal 

 hardly as long as its distance from 



the rostral 7. suhcincta, p. 292. 



27-31 scales round the neck ; frontal 

 as long as its distance from the 



rostral or the end of the snout .... 8. hrugmanmi, p. 292. 

 38 scales round the neck 9. tuberculata, p. 293. 



/3. Eostral as deep as broad ; ventrals 372-400 ; 27-29 

 scales round the neck . . 10. grandis, p. 293. 



h. Two or three superposed anterior temporals, 



a. Scales all imbricate. 



31-35 scales round the neck, 43-45 



round the body ; ventrals 220-256. 11. macfarlani, p. 294. 

 27-33 scales round the neck, 39-45 



round the body ; ventrals 281-385. 12. eyanodneta, p. 294. 

 26-27 scales round the neck, 48-49 



round the body ; ventrals 278 .... 13. hituberculata, p. 296. 



/3. Scales on posterior part of body juxtaposed. 



25 scales round the neck, 34 round 



the body ; ventrals 317 14. heleheri, p. 296. 



27-29 scales round the neck, 38 round 



the body ; ventrals 258-260 15. pachycercus, p. 297, 



30-33 scales round the neck, 43-47 



round the body ; ventrals 300-387. 16. lapemidoides, p. 297. 



B, Frontal shield as broad as long ; anterior ventrals relatively 

 large ; 27-29 scales round the neck, 37-43 round the body. 



17. vvperina, p. 298. 



III. Scales slightly imbricate, 15-17 round the neck, 19-21 round 

 the body 18. jerdonii, p. 299. 



