REPTILES FROM THE RIVER TAJAN. 17 



15, Natrix tessellata Laur. 



3 specimens : — 



Length of head and body 580 530 470 mm. 



Length of tail 155 155 125 „ 



Number of supralabials 8 



Number of iiifralabials 10/11 



Number of prteoculavs 4 2/3 2 



Number of postoculars 4 4 3 



Temporal shields 1+2 + 2 or 3 



Number of rows of dorsal scales 19 



Number of ventral plates 176 170 176 



Number of pairs of infracaudals 70 73 69 



In the specimen having 2 prteoculars and 3 postoculars the 4th 

 and 5th supralabials enter the orbit. 



16. Eryx miliaris Pall. 



1 specimen. Length of head and body 355 mm. Length of 

 tail 30 mm. Internasals separated by the point of the rostral. 

 4 scales between the postnasals, Kound the eye a circle of 13 

 small shields, the lowest of them much enlarged and reaching 

 the 6th supralabial, the two anterior ones a little enlarged (prae- 

 oculars), the others (supraoculars and postoculars) about equal 

 in size. Between the supraoculars 5 scales across the head. 



Between the postnasals and the praeoculars 8 (y+I+i) small 



loreal shields, 13 supralabials, the 3rd one being the highest. 

 20 infralabials, the first 3 or 4 enlarged, the others very small, 

 with larger shields below them. 



EXPLANATION OF PLATE L 



Fig. 1. Gymnodactylus microle^is, sp. n., ^ , River Tajan. 

 Fig. 2. G.fedtschenJcoi Sti'., S, Samarkand. 

 Fig. 3. G. caspius Eichw., $, River Tajan. 



Piloc. ZooL. See— 1918, No. II. 



