Severtzoff’s ‘Fauna of Turkestan? 415 
343. Larus canus, L.; Severtzoff, p. 70. ° 
Horizontal range. Occurs on passage in district III. 
Vertical range. Occurs on passage in district 1. 
344. Larus cacuinnans, Pall.; Severtzoff, Diaue 
Horizontal range. Breeds in districts I., []., and III. 
Vertical range. Breeds in districts 1 and 3. 
345. ? Larus teucopHaus, Licht. 
Larus argentatus, Severtzoff, p. 70. 
Horizontal range. Occurs on passage in district IIT. 
Vertical range. Occurs on passage in district 1. 
In a MS. note Dr. Severtzoff informs me that he believes 
this species to be true L. leucopheus. 
346. Larus ICHTHYAETUS, Pall. 
Gavia ichthyaétos, Severtzoff, p. 70. 
Horizontal range. Breeds in district ILI. 
Vertical range. Breeds in district 1. 
347. Larus ripipunpbvs, L. 
Gavia ridibunda, Severtzoff, p. 70. 
Horizontal range. Breeds in ali four districts. 
Vertical range. Breeds in districts 1 and 2. 
348. Larus minutus, Pall. 
Gavia minuta, Severtzoff, p. 70. 
Horizontal range. Occurs in summer in district ILI. 
Vertical range. Occurs in summer and possibly nests in 
district 1. , 




349. Srerna casPiA, Pall.; Severtzoff, p. 70. 
Horizontal range. Breeds in districts I., II., and ITT. 
Vertical range. Breeds in districts 1 and 2. 
350. Srerna anextica, Mont.; Severtzoff, p. 70. 
Horizontal range. Breeds in all four districts. 
Vertical range. Breeds in districts 1, 2, and 3. 
851. Srerna FLuviatiuis, Naum. 
Sterna hirundo, Severtzoff, p. 70. 
Horizontal and Vertical ranges. Asin the preceding species, 
except that in the latter it does not breed in district 3. 






