20 GECKOirrDiE. 



eye and the ear-opening ; latter very small. Body moderately 

 depressed. Limbs moderate ; digits slender, inferiorly with simple 

 transverse lamellae. Head covered with large convex granules ; 

 rostral rather large, pentagonal, with median cleft above ; nostril 

 pierced between the rostral, the first labial, and one nasal ; seven 

 or eight upper and five or six lower labials, anterior very large ; 

 mental very large, trapezoid, in contact with two smaU chin-shields, 

 followed by others passing gradually into the rather large flat gular 

 granules. Back covered with irregular flat juxtaposed scales, inter- 

 mixed with small, very irregularly scattered keeled tubercles. Abdo- 

 minal scales large, hexagonal, imbricate. Male with an angular 

 series of seven or nine praeanal pores. Tail cylindrical, tapering, 

 covered with smooth imbricated scales, inferiorly with a median 

 series of enlarged scales. Colour sandy above, with rather indistinct 

 darker cross bands ; lips brown-spotted ; lower surfaces white. 



Total length 82 miUim. 



Head 10 



Width of head 6-5 



Body 27 



Fore limb 14 



Hind Umb 19 



Tail 45 



Turkestan. 



a-c. (S 2- Grt. Mt. Bogdo. St. Petersburg Museum [E.]. 



2. Alsophylax tnberculatiis. 



Bimopus tuberculatus, Blanf. Ann. ^ Mag. N. H. (4) xiii. p. 454, 

 and Zool. E. Persia, p. 3&, pi. xxii. fig. 4. 



Head moderate ; snout obtuse, a little longer than the diameter 

 of the orbit or the distance between the eye and the car-opening ; 

 forehead very slightly concave ; ear-opening elliptic, vertical, nearly 

 half the diameter of the eye. Body moderately depressed. Limbs 

 moderate ; digits slender, the inferior lamella) furnished with pro- 

 jecting tubercles. Head covered with large granules, smaller and 

 intermixed with round tubercles on the temporal and occipital 

 regions ; rostral subquadrangular, not much broader than high, with 

 median cleft above ; nobtril pierced between the rostral, the first 

 labial, and three nasals ; about ten to twelve upper and eight to 

 ten lower labials ; mental subtrapezoid, broader than long ; no chin- 

 shields ; gular granules minute. Back covered with small irregular 

 flat granides, intermixed with large trihedral tubercles, forming 

 about fourteen irregular longitudinal series. Abdominal scales 

 rather small, subhexagonal, imbricate. Males with seven or eight 

 prteanal pores, forming a slightly angular series. Tail cylindrical, 

 slightly depressed, verticillate, with rings of keeled tubercles ; no 

 enlarged scales inferiorly. Colour sandy, darker-spotted ; a darker 

 streak on the side of the head, passing through the eye, sometimes 



