Mr. W. C. Tait 07i the Birds of Portugal. 397 



The Pomatorhine Skua appears in the beginning of Sep- 

 tember and through the winter months, persecuting the 

 smaller Gulls. 



263. Stercorarius crepidatus (Gmel.). " Cagado/' Povoa 

 de Vai'zim. 



I shot an Arctic Skua at the mouth of the Douro on 

 the 28th of August, 1880, and have seen others flying. 



264. Stercorarius parasiticus (Linn.). 



Dr. Carvalho writes me that the Lisbon Museum has 

 eleven specimens of Buffon's Skua obtained at Cascaes near 

 Lisbon. I think I saw some of these birds at sea near 

 Oporto. 



265. Procellaria leucorrhoa, Vieill. 



The Lisbon Museum has specimens of the Fork-tailed 

 Petrel from Setubal, Santarem, and Coimbra; and the 

 Museum of the latter has received many from Cape 

 Mondego. 



266. OcEANiTES oceanicus (Kuhl). " Chasquillo/' Oporto. 

 There are two specimens of Wilson^s Petrel in the Lisbon 



Museum, received from Cascaes. 



267. PuFFiNus ANGLORUM (Tcmm.). " Furabuxo,'' " Chi- 

 reta,^^ Oporto. 



In the Lisbon Museum there is a Manx Shearwater ob- 

 tained at Cascaes. On May 20, 1879, when going in a boat 

 from Berlengas Islands to Cape Carvoeiro, I saw a flock of 

 birds which the fishermen called " Furabuxos,^^ one of which 

 I dropped with a charge of shot from my collecting-gun ; 

 but before we could put the boat about it rose again. They 

 looked to me like small Shearwaters, and may possibly have 

 been this species. I did not hear of their breeding on Ber- 

 lenga or on Cies. The Povoa fishermen, whom I have cross- 

 questioned about the Manx Shearwater, know it well, and 

 tell me that it is an excellent diver. In all probability it is 

 a winter visitant. 



