NO. 39.— 1889.] ZOOLOGICAL TABLES. 



201 



O =- 4 Cylindrophis maculatus. 



As in n, but the body is stout . 4 C. maculatus. 



p = 1 Typhlops braminus. 



As in n, but the head is quite undistinguishable from 

 the body ; the snout is slightly depressed and rounded, 



1. — Snout moderate, projecting ; diameter of the body 35 to 



55 times in the total length. 1 T. braminus. 



2. — As in p 1 ; diameter of body 43 to 60 times in the total 



length. 2 T. mirus. 



Q = 6 Rhinophis oxyrhyncus. 



Body cylindrical ; head conical ; snout pointed ; tail not 

 distinct, more or less truncated. 



1. — Snout acutely pointed ; diameter of body 37 to 39 



times in the total length. 6 R. oxyrhyncus. 



2. — As in q 1 ; diameter 24 to 34. 7 R. planiceps. 



3. — As in q 1 ; diameter 26 to 30. 8 R. trevelyanus. 



4. — As in q 1 ; diameter 22 to 32. 9 R. blythii. 



5. — Tail obliquely truncated as if cut with a knife ; snout 



acutely pointed ; diameter 20 5 U. grandis. 



fEMTBJLLS. 



A = 24 Zamenis mucosus. 



Ventrals well developed, smooth, or slightly keeled ; 

 sub-caudals two-rowed ; anal bifid. 

 1.— Ventrals broad, smooth. 15,18 to 25, 29 to 33, 37 to 42. 



g == 45 Naia tripudians. 

 As in a ; anal entire. 



1. — Ventrals broad, smooth. 26, 35, 36, 45, 57, 59. 



2. — Ventrals very narrow. 3. 



3. —Ventral preceding anal deeply notched. 60. 



C = 27 Dendrophis pictus. 



As in a ; ventral keeled. 17, 27, 28, 39. 



E 2 



