126 INDEX-CATALOGUE OF TUE BIRDS 



Case 



ur Ian Dkaua j 



Genus. COLYMBUS. f 



138. Red-throated Diver. Colymbus septen- 



trionalis, (Linn.). 

 No. 1. Nearly in summer plumage. 



St. Mary's Island, 1836. 



139. Red-throated Diver. 



No. 1 . Immature. First plumage. 



Whitley, Northumberland Coast. 1895. 

 Stuffed by J. Jackson. Presented by John Jackson. 



140. Red-throated Diver. 



No. 1. Winter plumage. Northumberland Coast, 1836. 

 Presented by W. C. Hewitson, Esq. 



141. Black- throated Diver. Colymbus arcticus, 



Linn. 

 No. 1 (left). Winter plumage. 



From Old Museum Collection. 



,, 2 (right). First plumage. 



Northumberland Coast about 1840. 



142. Black-throated Diver. 



No. 1 (upper). Summer plumage. 



Sutherlandshire, Aug. 22nd, 1859. 



Presented by W. E. Barnett, Esq. 

 ,, 2 (lower). Summer plumage nearly complete. 

 Shot on the Pviver Wear, Co. Durham, 



Dec. 16th, 1845. 

 Remark. — I had this bird in the flesh state shortly after 

 it was shot. J. Hancock. 



143. Great Northern Diver. Colymbus glacialis, 



Linn. 

 No. 1 (upper). Summer plumage. 



Shot at the Orkneys, 1839. 



Presented by Capt. Warham. 



,, 2 (lower). First plumage. 



Bought of Hannah Russell, fruiterer, 



Newcastle-upon-Tyne, 1835. 



