19. CRDURA. 105 



rounded, broader than long ; four or five pairs of broad infradigital 

 plates under the median toes, followed by three or four undivided 

 ones. Head covered with uniform, roundish, small flat scales ; 

 rostral four-sided, twice as broad as high, with median cleft 

 above ; nostril pierced between the rostral, the first labial, and four 

 nasals, the two upper large, the anterior in contact with its fellow 

 on the other side ; ten or eleven upper and nine or ten lower 

 labials ; mental triangular, shorter than the adjacent labials, which 

 are in contact behind it; a small median chin-shield. Back 

 covered with juxtaposed flat round scales, larger than those on the 

 head, arranged in regular transverse ^eries ; these scales become 

 much smaller on the flanks ; abdominal scales juxtaposed, fiat, 

 hexagonal, about the same size as the dorsal scales. Males with 

 seventeen praeanal pores, forming a gently curved series interrupted 

 in the middle. Tail thick, short, much depressed, oval, the end 

 tapering into a point ; its width is contained twice or twice and a 

 half in its length, and equals at least the width of the body ; it is 

 covered with equal square scales, arranged like the bricks of a wall ; 

 males with two or three large tubercles on each side the base of the 

 tail. Dark brown above, with whitish spots and cross bands ; latter 

 not half as wide as the interspace between them, five on body, 

 anterior on neck, posterior on sacrum ; lower surfaces white. 



Total length 143 millim. 



Head 27 „ 



Width of head 20 „ 



Body 73 „ 



Fore limb 30 „ 



Hind limb 38 „ 



Tail 43 „ 



North Australia,. 



a-/. cJ?. Port Essington. Mr. Gilbert [0.]. (Types.) 



g. 2 . Port Essington. J. B. Jukes, Esq. \V.']. 



h. $. Australia. Lord Derby [P.]. 



i-1. cJ 2 • Australia. Haslar Collection. 



m. Hgr. Australia. 



2. (Edura ocellata. (Piate IX. fig. 1.) 



Closely allied to the preceding ; distinguished by the following 

 , characters : — ^Anterior infralabials not meeting behind the mental, 

 which is truncate posteriorly and in contact with a small chin- 

 sliield hardly distinguishable from the neighbouring scales. Tail 

 cj'lindrical, slightly depressed, tapering, its width contained five or 

 six times in its length, much narrower than the body. Upper 

 surfaces reticulated with brown and whitish, and with more or less 

 distinct light, dark-edged ocelli. 



The male has nineteen praeanal pores. 



