Birds of Gran Canaria. 575 



Ilerr von Tlianiier mentions tliat lie constantly saw 

 examples of this Shearwater in his journeys roimd the coast. 

 ]\Ir. Nicoll also obtained a single specimen oft' Gran Canaria 

 when he visited the island with Lord Crawford iu the 

 ' Valhalla.' 



P. kuhli breeds in the Azores (Godman), Madeira and 

 Great Salvage Islands [Ogilvie-Gi-ant), and Porto Santo 

 {Schnutz). 



jMr. Meade-Waldo, writing in 'The Ibis/ 1903, states 

 that he has seen flocks of many thousands on the water 

 between Gran Canaria and Fuerteventura. I noticed 

 large numbers of these Petrels skimmins; about in theneiiih- 

 bourhood of the Isleta during a flying visit which I made to 

 the island at the beginning of June of this year (1912). 



Larus fuscus, subsp. ? 



Lams fiiscKS snbsp.? Lowe, British Birds, vol. vi. p. 5 

 (1912); Bannerman, Bull. B. O. C. xxix. p. 121 (1912). 



«-c. ? $ad.etiram. Las Palmas Ilarbonr. 20th Feb. ^12. 



Iris clear amber; bill yellow and crimson; legs banana- 

 yellow. 



Dr. LoAve has recently separated the Lesser Black-backed 

 Gull of the British Islands from typical L. fuscns, and has 

 named this subspecies L. fuscus britamiicus. I was privileged 

 to examine along with Dr. Lowe the lai'ge series of Lesser 

 Black-backed Gulls which he had at his disposal, and the 

 only specimens which did not agree with either foi'ra were 

 the birds which I had myself collected in the island of Gran 

 Canaria, 



As Dr. Lowe has already gone into the matter as 

 thoroughly as is at present possible, I will quote his remarks 

 in full : — '^ I have examined Lesser Black-backed Gulls from 

 the Canaries, Tenerife, and the Grand Canaiy (Bannerman 

 Coll.), and one example in the British Museum collection, 

 which was taken at Valencia. These birds appear to differ 

 from both of the above-described races'^; but whether they 



* Larus fuscus &^di Larus fuscus Iritcmnictis. 



3s2 



