THE POISONOUS SNAKES OF INDIA. 61 



Supplementari/ characters. — '^upraocidar absent, i-eplaced by small 



B 



Avdge 



Fig. 88. — Eristocopliis mcmahoui (nat, .<ize). 

 scales, Nasal does not touch the rostral, nor the 1st siijiralabial. 

 Eyc\ — Diameter less than the distance between eye and nostril ; about 

 half the distance to the labial margin ; 5 or 6 rows of small f^caJes be- 

 tween it and supralabials. 4th supralahial not enlarged. Sublinguals 

 touch 3 infralabials, and 3 small scales behind. Tnfralahials 3, the 

 3rd touching; 3 scales behind. Scales in the middle of the bodv 23 to 27. 

 Ventrals ridged laterally. Suhcaudals divided. 



Distribution. — Very little is known on this point. Baluchistan, 

 where it was discovered by Captain McMahon * when delimiting the 

 Afghan Baluch border, is pi'obably the fringe of its distribution, and 

 * Now Sir A. H. McMahon. 



