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AVIFAUNA 



176. Uria troille (L.). [Zeekoet]. 

 We received 17 specimens. 



Specimens of this species in full plumage are observed 

 more frequently on our shore than those of Alca iorda. In 

 this dress I received a male, killed January 1906 near den 

 Helder, and a female, killed 13 March 1907 on Texel. 



Of the variety Uria ringvia Briinnich [Bastaakdzeekoet], 

 we possess the following examples killed in Holland: 

 cfi full breeding plumage, 8 June 1861, Noordwijk. 

 9, winter plumage, 11 February 1868, Noordwijk. 

 9, winter plumage, 20 January 1887, Zandvoort. 

 9, winter plumage, 24 November 1888, Zandvoort. 

 cT, winter plumage, 14 February 1889, Zandvoort. 



The three last-quoted specimens make part of the col- 

 lection van Wickevoort Crommelin (302—19, 20 and 21). 



177. Uria lomvia (L). [Groote zeekoet]. 



We possess a specimen in full plumage labelled by 

 Temminck » Uria brunnichii — Mer du Nord" (Schlegel, Cat. 

 Urinatores, Alca arra, n^. 1). This is a true lomvia, having 

 all the characters of this species. Very probably this example 

 has been killed on our coast. 



Albarda (Aves Neerlandicae, 1897, p. Ill) states, that 

 in the collection of Messrs. de Graaf, now in the Museum 

 of the Zoological Garden at Amsterdam, is an example of 

 this species. I have examined all the examples of Uria 

 in that collection, but could not find however a lomvia, 



178. Cepphus grylle (L.). [Zwarte zeekoet]. 



According to Temminck (Man. d'Orn. 1815, p. 610) a 

 specimen has been found by Pallas on the coast of Holland. 

 In the Museum of the Zoological Garden at Amsterdam 

 is a specimen, found in December 1904 near den Helder. 



179. Alle alle (L.). [Kleine alk]. 



This species does not visit Holland every year, in some 

 winters no specimens are observed. The specimens, which have 



Notes from the Leyden Miuseum, Vol. XXX. 



