15. HETEBONOTA. 75 



distance between the eye and the ear-opening ; forehead concave ; 

 ear-opening oval, oblique. Body short, moderately depressed. 

 Limbs moderate ; digits rather long and slender. Snout covered 

 with large keeled granules; hinder part of head with minute 

 granules intermixed with round tubercles; rostral square, twice 

 as broad as high, with median cleft above ; nostril pierced be- 

 tween the rostral, the first labial, and three or four nasals ; seven 

 or eight upper and six or seven lower labials ; mental large, broadly 

 pentagonal ; two large chin-shields forming a suture behind the 

 mental. Body covered above with small keeled granules, and large 

 subtriangular strongly keeled tubercles ; the latter are placed close 

 together in twelve or fourteen very regular longitudinal series. 

 Abdominal scales moderately large, cycloid, imbricate, smooth. 

 Male with five prgeanal pores. Tail cylindrical, tapering, verticil- 

 late, above with keeled scales and tubercles, inferiorly with a median 

 series of transversely enlarged plates. Light brown above ; seven 

 dark transverse bands, broader than the interspaces between them, 

 from nape to base of tail ; a U-shaped dark streak from eye to eye, 

 over the nape ; lower surfaces dirty white. 



Total length 80 millim. 



Head 10-5 „ 



Width of head 6 „ 



Body 30-5 „ 



Fore limb 11-5 „ 



Hind limb 16 „ 



Tail 39 „ 



Western Australia. 



a. (S . Houtman's Abrolhos. Mr. Gilbert [C/j. (Type.) 



ft. cj. Champion Bay. Mr. Duboulay [C.]. 



2. Heteronota derbiana. 



Eublepharis derbianus, Gray, Cat. p. 274. 

 Hoplodactylus (Pentadactylus) austrahs, Steindachn. Novara, Rept. 



p. 18, pi. i. fig. 2. 

 Pnyllodactylus anomalus, Peters, Mon. Berl. Ac. 1867, p. 14. 

 Heteronota binoei, part., Gilnth. Ann. ^ Mag. N. H. (3) xx. 1807, 



p. 60. 



Differs from the preceding as follows : — Head not three times in 

 the distance from tip of snout to vent. Dorsal tubercles generally 

 less regularly arranged, more distant from one another, those of one 

 series being separated by interspaces at least equal to their length. 

 Praeanal pores four or six. Light brown above, spotted or marbled 

 with darker ; some of the tubercles sometimes whitish ; a dark 

 temporal streak ; lower surfaces whitish. 



Total length 102 millim.' 



Head 14 „ 



Width of head 9 „ 



