THE FLANNAN ISLES 285 



on that island. It is known, however, to have bred 

 on some of the outer islets of the group since 1902. 

 The earliest date for its appearance in the spring 

 is 4th February, and the latest for autumn is 7th 

 September. 



Manx Shearwater, PtiffimLS anglorum. — Great 

 numbers are scheduled as visiting the neighbourhood of 

 the islands on i6th March 1901 — the only recorded 

 occasion. 



Great Shearwater, Pttfinus gravis. — The birds 

 seen by us on the islands on 21st September 1904, are 

 the only ones that have come under observation. 



Slavonian Grebe, Podicipes auritits. — The immature 

 bird, already mentioned as observed on i6th September 

 1904, is the only record of the occurrence of this 

 species. 



