IN THE HANCOCK COLLECTION. 103 



Case 



45. Ivory Gull. Larus (Pagophila) eburneus, 



Phipps. 

 No. 1 (centre). Mature. Summer? Davis Straits, 1834. 

 2 (left). Mature. Spitsbergen, 1881. 

 ,, 3 (right). Immature. „ 1881. 



Nos. 2 and 3 presented by Abel Chapman, Esq. 



46. Sabine's Gull. Larus (Xema) Sabinii, 



J. Sabine. 

 No. 1 (left). Male, immature. 



Shot near Seaham Harbour, Co. Durham, 



Oct. 10th, 1879. 

 Stuffed by Fred. Raine, Esq. 

 Purchased. 

 ,, 2 (right). Mature. Summer plumage. 



Davis Straits. 

 Presented by R. N. Kerr, Esq., Dundee, Feb. 5th, 1805. 

 Stuffed by J. Jackson. 



47. Little Gull. Larus minutus, Pallas. 

 No. 1 (left). Male, mature. Summer plumage. 



Stromness. Received from Mr. Dunn, 1870. J. H. 

 ,, 2 (upper right, flying). Mature. Winter. 



Whitburn, Co. Durham, Dec. 27th, 1876. J. H. 

 „ 3 (lower right). Young, changing into winter plumage. 

 Presented by J. H. Gurney, jun., Esq. J. H. 

 ,, 4 (centre). Young, immature plumage. 



St. Mary's Island, Northd., Oct. 2nd, 1895. 

 Stuffed by J. Jackson. Presented by John Duncan 



48. Black-headed Gull. Larus ridibundus, Linn. 

 No. 1 (hind left). Young, changing from first plumage. 

 Near Monkseaton, Dec. 20th, 1895. 

 Stuffed by J. Jackson. Presented by John Jackson. 

 „ 2 (upper centre). Mature. Winter plumage. 



Newbiggin-by-the-Sea, Northd., Feb., 1881. 



Presented by E. 0. Reid, Esq. 



