26 OPHIDIANS. 
Xenop. unicolor. None are classified under genera found in 
Australia or in Africa. Whether any varieties exist in South 
America is not known. 
FourtH GENts—UROPELTID.Z. I. Muller. 
‘Rough tails.’’ Tail extremely short, truncated, scarcely tapering; 
generally terminating in a rough, naked disk, or covered with carinated 
(keeled, scales. 
East India species are: 
No. 1. eprNs Rhinophis. Hemprich. 
2 R. oxyrhynchus. 
3 “6 R. punctatus. 
4 fe R. Philippinus. 
5 a R. Trevelyanus. 
6 R. sanguineus. 
7 a R. Blythii. 
8 i R. Pulneyensis. 
9. e Grandis. Kelaart. A rare variety. 
10. ee Plecturus. Dum. and Bibr. 
11. fe Pl. Perotettii. 
12 “ Pl. Gintherii. 
13. e Mellanophidium. Dum. and Bibr. 
14. ee Mell. Wynandense. Beddome. 
15. es Silvbura. Peters. 
16. ee Svl. macrolepis. 
Lit. ee *  Beddomii. 
18. ee “ — ocellata. 
19. ae «  Elliottii. 
20 ef “  picatenata. 
ae eS “  Shortii. 
22 ss “brevis. 
