12 



MR. L. A. LANTZ ON 



•of the mental. Gular scales extremely small, roundish, scarcely 

 imbricate. 



Neck with very small, juxtaposed, granular scales and longi- 

 tudinal rows of large, slightly conical, but not keeled scales, 

 changing gradually along the back into 12 or 14 longitudinal 

 rows of moderate, elongated, trihedral tubercles ; between the 

 median rows a row of small tubercles. The other scales of the 

 back larger than those of the neck, flat, feebly imbricate ; across 

 the middle of the body 62 to 65 dorsal scales (in a transverse line 

 passing between the tubercles). 



Ventral scales small, cycloid, smooth, 35 to 38 in a transverse 

 row in the middle of the belly, 136 to 144 in the median line 

 from the mental to the vent. 



Suprahumeral scales rather small, imbricate, more or less 

 rounded, smooth, or indistinctly keeled. Forearm covered with 

 scales like the dorsals, and with a few moderately keeled 

 tubercles. Infrahumeral scales granular, juxtaposed. Infra- 

 radial scales like the ventrals. 



Suprafemoral scales imbricated, pointed, smooth, or indistinctly 

 keeled on the inner side of the thigh ; the other parts of the 

 thigh and leg covered with scales like the dorsals, intermixed 

 with large, moderately prominent trihedral tubercles. Infra - 

 femoral scales large, roundish, imbricate. Male with a continuous 

 series of 34 to 39 femoral and praBanal pores. Infratibial scales 

 similar to the ventrals, but a little larger. 



Tail covered above with transverse rows of very large, mode- 

 rately keeled spinose scales, decreasing in size towards the end of 

 the tail ; between these rows of large scales about two rows of 

 small, imbricate, more or less distinctly keeled ones. On the 

 lower side of the tail, except at its base, a single row of enlarged 

 transverse plates. 



Coloration grey above, with more or less distinct darker trans- 

 verse bands, which are disposed as follows : — one on the occipital 

 region, one on the neck, 4 to 7 on the back, about 12 on each 

 limb, 12 on the tail- Lower parts white. 



Comparative Notes. 



The presence of a series of numerous femoral and praeanal pores 

 show G. microlepis to belong to the group of G. caspius Eichw. 

 It is especially closely allied to G . fedtschenkoi Str. and G. longipes 

 Nik., agreeing with the former in proportions and with the 

 latter in most characters of scaling. I am greatly indebted to 

 Mr. W. A. Lindholm, who was so kind as to examine the types 

 and other material of G. longipes. which are preserved in the 

 Museum of the Petrograd Academy of Science *. Owing to his 

 notes, which complete the description given by Nikolskif, I 

 am able to state that these two species are quite distinct. 



* Nos. 8809 (3 <J), 8810 (1 <J , 2 ? ), 8811 (1 ?), from Neh in Eastern Persia, 

 18. v. 1896, leg. N. A. Zarudny (types); Nos. 9191 (1 $ ), 9193 (1 <J, 4?), 9194 

 (1(£) from the country Zirkuh in Eastern Persia, 21. iv. to 6. v. 1898, leg. N. A. 

 Zarudny. 



f Ann. Mus. Z-ol. Acad. St. Petersb. 1897, p. 313. 



