246 PYOOPODID-S). 



1. Aprasia pnlchella. 



Aprasia pulchella, Oray, Cat. p. 68. 

 Aprasia pulchella, Oray, Ann. ^ Mag. N. H. ii. 1839, p. 832, and in 



Ch-ey^s Trav. Austral, ii. pi. iv. flg. 2 ; lAitken, Viaensk. Meddel. 



1862, p. 300, pi. i. fig. 3 ; Giinth. Ann. Mag. N. H. (4) xii. 1873, 



p. 146. 

 octolineata, Peters, Mon. Berl. Ac. 1863, p. 233. 



Head very small, with very prominent rounded snout ; eyes well 

 developed, with circular scaly rudimentary lid. Body calamiform. 

 Tail shorter than the body, of subequal diameter throughout, its end 

 obtuse, rounded. Eudiments of hind limbs extremely small, hardly 

 distinct. Eostral very high, narrow, the portion seen from above 

 the snout triangular ; nostril pierced between the first labial and a 

 very large nasal, which forms a suture with its fellow on the snout ; 

 a pair of large prsefrontals, forming a suture with the second labial ; 

 a large hexagonal frontal, the posterior angle of which is rounded 

 ofif ; four or five enlarged occipital scales, but no parietals ; a supra- 

 orbital ; a narrow prseorbital ; no loreal ; five or six upper labials, 

 third and fourth entering the orbit ; mental large, broadly trapezoid ; 

 two or three lower labials, anterior very large. Twelve series of 

 scales round the body. Three slightly enlarged anal scales. 

 Tellowish or pinkish, with eight dark-brown lines above following 

 the longitudinal series of scales, or with series of brown dots 

 arranged in four widely separated longitudinal series on the back and 

 very crowded on the sides. 



Head '. 6 millim. 



Body 112 „ 



Tail 64 „ 



Diameter of body .... 3-5 „ 



Western Australia. 



a-b. W, Australia. (Types.) 



e. W.Australia. Mr. Duboulay [0.1. 



d. Swan River. Sir A. Smith fp.]. 



e-g, h. Australia. 



6. IIALIS. 



Lialis, Oi-ay, Proc. Zool. 8oc. 1834, p. 134 ; Bum. Sf Bibr. v. p. 8-30 ; 

 Gray, Cat. p. 69. 



Parietal bones coalesced. Teeth sharply pointed, directed back- 

 wards. Tongue elongate, narrowing towards the end, bifid. Ear 

 exposed. Slight rudiments of hind limbs externally. Head covered 

 with small plates. Scales soft, smooth, cycloid, imbricate, the two 

 median series on the beUy and the median series under the tail 

 transversely enlarged, hexagonal. Prseanal pores. 



Australia and New Guinea. 



