132 REPTILES. 



A. The tail short. Vent edged ivith scales in front. Frontonasal 

 shield lateral^ narrowed below. The upper lip edged with the 

 base of the nasal and ocular shields only. Crown with 3 series 

 of 6-sided scale-like shields. 



* Head nearly covered ivith a large rostral, tchich is sharp-edged 

 and keeled, and rather bent down in front. Tail very short. 

 Preanal scales like the others, numerous. Typblopsina. - 



1. Typhlops, part, Schneider. T. sect. 2. Cuv. 



Head depressed, almost entirely covered with a very large ob- 

 long nail-like rostral, which is horny, sharp-edged, keeled, and 

 rather hent down in front. Nasal, frontonasal and eye-shields 

 very narrow, the rest of the head covered with scales, like the bo- 

 dy. Scales all small and uniform. Tail very short, suddenly ta- 

 pering, convex above, apex incurved. 



The Typhlops. Typhlops Eussellii. 



Yellowish white ; rostral rather darker; tail much shorter than 

 broad, apex incurved. 



a. In spirits. " India. Presented by Dr. Patrick Eussell." 



2. Onychophis. 



r 



Head depressed, rounded. Rostral moderate, oblong, erect, 

 ■ather produced, keeled, sharp-edged, horny, and slightly bent 

 down in front. Nasal, frontonasal and eye-shields subangular, 

 distinct. The crown of the head with 3 series of 6-sided scale- 

 like shields. Scales all smooth, uniform. Tail cylindrical, end 

 suddenly tapering, convex above. 



* Tail very short. Rostral broad, oblong, more than half the ividth 

 of the head, keeled the whole width in front. 



Franklin's Claw-headed Snake. Onychophis Franklinii. 



Pale brown above, paler beneath ; the hinder half of the dor- 

 sal scales darker coloured ; rostral broad, oblong, more than half 

 as wide as the head ; tail nearly as long as broad, apex conical, 

 nearly straight. 



a. In spirits. Australia. Presented by the Earl of Derby. 



Laland's Claw-headed Snake. Onychophis Lalandii. T. 

 Lalandii, Schlegel, Abbild. 40, t. 32, f. 17, 20. 



Pale brown, paler beneath ; rostral half as wide as the head, 

 not contracted beneath ; tail short. 



Inhab. Cape of Good Hope. Mus. Leyden. 



