MOLLtJSCA or LAKE URMI. 391 



Nemachilus PEESA. 



Cobitis persa, Heckel, in Russegger's lleis. ii. 3. p. 266 ; de Filippi, 

 Viaggio, p. 360. 

 Nemachilus persa, Gitnth, Fish.vii. p. 347, 



D. 11. A. 7. P. 10. V. 7. 



Scales minute, but couspicaous. Caudal fin distinctly emar- 

 giuate. Origia of tlie dorsal fin nearer to the root of the caudal 

 thaa to the end of the snout. Tlie height of the body is leas 

 than tlie length of tlie head, wbich is contaiaed 4j times in the 

 total (witbout caudal). Head rather narrow; snout somewhat 

 pointed, nearly as long as tbe postorbital portion of the head ; 

 eye small. Pectoral as long as the head, its length being two 

 thirds of the distance between its base and that of the ventral. 

 Caudal peduncle nearly twice as long as deep. Whitish, densely 

 reticulated and speckled with greyish. Dorsal and caudal fins 

 speckled with greyish. 



Pour specimens, 65 millim. long, from tlie Zola Chai ; others 

 from the Elinja Chai, a tributary of the Araxes. 



The specimens on which this species was founded were obtained 

 at Persepolis ; de Pilippi found it generally distributed in 

 abundance in all Persian rivulets. 



EXPLANATION OF PLATES 23 & 24. 



PL- 23. Fig. A, Abramis urmianus, sp. n. 



Fig. B. Crobio -persa, sp. i». 

 PI. 24, Fig. A. Leucuaus idaims, sp. n. 



Fig. B. Lemiscus gaderanus, sp. n. 



LAND AND PEESHWATER MOLLUSCA, 

 By Edgae Smith, P.Z.S. 



1. Helix (Helicogena) figulina {Farreyss), 

 JELah. Seir. 



2. Helicella acutisteia {Bottger), 

 Hah. Koyun Daghi. 



3. Helicella paeableta {Bottger}. 

 Hah. TJrmi district (?), 



