o/Alca impennis. 261 



Eggs. 

 The enumeration of the eggs is attended with the greatest 

 difficulty of all. It is very possible that at least five more exist 

 than I have been able to ascertain beyond doubt. Every pre- 

 caution has been now taken not to count the same specimen 

 twice, which is very necessary, since so many have of late 

 changed owners. 



Geemany. — Deduct : — 



1, Flensborg. Now iu Mr. Champley's collection {tit siqmt). 

 1. Thienemann's collection, akeady counted by M. Fatio as in the 

 Dresden Museum, where I have seen it. 



France. — Add : — 



1. Angers. The Count de Barac(?, as he himself has kindly informed 



Mr. Rowley, possesses three, being mie more than mentioned by 

 M. Fatio. 



United I^ingdom. — Add : — 



2. Edinburgh Museum, H. W. Feilden, Ibis, 1869, p. 358. 

 1. Lady Oust. W. Yarrell, ex ore. 



1. Mr. Rowley. Seen by myself. 

 1. Mrs. Wise. J. WoUey, in 3IS. 



Deduct : — 



1. "Mr. Troughtou," being one of the three in Lord Garvagh's collec- 



tion akeady counted by M. Fatio. 

 Note. Four of the seven enumerated by M. Fatio as belonging to the 

 Royal College of Sm'geons have passed into the collections of Messrs. 

 Braikenridge, Burney, Crichton, and Rowle}'. That of the late Mr. 

 Wilmot is, I believe, in the possession of Mr. G. L. Russell. 



United States. — Add : — 



2. Philadelphia. Mus. Acad. N. S. Seen by myself. 



Summary. 

 Germany 8 i France , 



Belgium 2 Holland 2 



Denmark 1 I United Kingdom 41 



Switzerland . . 2 

 United States . . 2 



65 



Therefore the existence is recorded of 71 or 73 skins, 9 ske- 

 letons, detached bones of 38 or -41 different birds, and 65 eggs. 



Magdalene College, Cambridge, 

 21 March, 1870. 



