328 STUDIES IN BIRD-MIGRATION 



RissA TRiDACTYLA, Kittiwake. 



Ushant. — Young and old Kittiwakes were not un- 

 common on the stacks and rocks after 14th September, 

 on which day they made their appearance off the island, 

 along with the Arctic Tern. 



Alderney. — A number seen off the island on 28th 

 September. 



PuFFiNUS ANGLORUM, Manx Shearwater. . 



Ushant. — This Shearwater was very abundant on 9th 

 and 17 th September, when we were en route for, and 

 returning from, Ushant. It was chiefly observed when 

 some little distance from land. 



Alderney. — This bird was very numerous off the 

 Casquets on 30th September. Mr Cecil Smith tells 

 us that it is an occasional wanderer to the Channel 

 Islands. 



Puffin us gravis. Great Shearwater. 



Ushant. — When just off Ushant on 1 7th September 

 we saw six Great Shearwaters, either singly or in pairs, 

 fairly close to the steamer. 



Alderney. — Off the Casquets, on 30th September, 

 one was seen along with the Manx Shearwaters. 



