68 REPTILES. 



The Scaly-faced Pygopus. Pygopus squamiceps, Gray^ 

 ZooL. Erehiis and Terror^ Rept. t. 



Muzzle with 5 series of supranasal plates ; grey, with a series 

 of small spots on each side. 



a. Adult, in spirits. Australia. Presented by Dr. Mair. 



2. Delma, Gray. Pygodactylus, part, Weigm. 



Head elongate, shielded, with 2 parietal and a pair of large 

 occipital shields. Rostral plate transverse, moderate. Eye cir- 

 cular : pupil elliptical, erect. Ears ovate, open, simple-edged. 

 Body suhcylindrical. Tail tapering. Scales smooth. Hinder 

 limbs short, scaly. Vent without any pores in front. 



Eraser's Delma. Defma Fraseri, Gray^ ZooL Misc. 14. 

 Grey^ Trav. in Austr. ii. 427, t. 4,/. 3. 



Olive, head white, with 4 more or less confluent black bands ; 

 sides of neck white-spotted, beneath white. 



a. Adult, in spirits. Western Australia. Presented by James 

 Hunter, Esq. 



6. Half-grown, in spirits. Western Australia. From Mr. Gil- 

 bert's collection. 



Earn. XIII. Aprasias, (Aprasiad^). 



Nostrils small, in the suture between the top of the first upper 

 labial and the square supranasal. Head small, half-conic, shield- 

 ed. Muzzle rather produced, acute. Frontonasal large, cover- 

 ing the cheeks. Frontal shield large, elongate, 6-sided. Supercili- 

 ary shields 2 pair, small. Labials ifew, large. Eyelid rudimen- 

 tary, circular, edged with a series of small scales. Pupil round. 

 Ears hidden under the scales. Body and tail cyliudrical, taper- 

 ing, covered with hexagonal scales, and rather broader ventral 

 shields. Limbs none. Preanal pores none. 



1. Aprasia, Gray. 

 Limbs none. Scales smooth. 



The Aprasia. Aprasia pulchella, Gray^ Ann. N. H. ii. 322. 

 Grey, Trav. Austr. ii. 428-438, t. 4,/. 2. 



Pale brown, with a series of brown spots, 1 spot in the centre 

 of each scale ; sides with the spots more connected, forming in- 

 terrupted streaks ; lips yellow. 



a, b. Half-grown, in spirits. W. Australia. From Mr. Buchan- 

 an's collection. 

 c. Adult, in spirits. W. Australia. From Mr. Turner's collection. 



