33 Mr. H. Seebohm on the 



Ardea purpurea. 



Bogdanow simply says that the Purple Heron inhabits the 

 rivers and lakes of the Caspian plains in great numbers. It 

 probably does not winter there. 



Ardea alba. 



The Great White Egret is common on the plains,, probably 

 only in summer. 



Ardea garzetta. 



The Lesser Egret breeds on the delta of the Terek. 



Ardea comata. 



The Squacco Heron is common on the shores of the Cas- 

 pian. 



Ardea bubulcus. 



The Buff-backed Heron has once been obtained in the 

 Caucasus. 



Ardetta minuta. 



The Little Bittern is found throughout the Caucasus on 

 the plains. 



Botaurus stellaris. 



The Bittern is common on the waters throughout the 

 plains of the Caucasus. 



Nycticorax griseus. 



The Night- Heron breeds in the delta of the Terek and in 

 many other places in the Caucasus. 



CiCONIA ALBA. 



The White Stork is very common in the Caucasus, and is 

 said to be a resident. 



CiCONIA NIGRA. 



The Black Stork is common in the Caucasus, and is said 

 to be a resident. 



Platalea leucorodia. 



The Spoonbill passes through the Caucasus on migration. 



Ibis falcinellus. 



The Glossy Ibis is very common in the plains of the Cau- 

 casus ; but Bogdanow does not say if it is a resident. 



