IN THE HANCOCK COLLECTION. 297 



Case. 



14. Carrion Crow. Corvus corone, Linn. 



No. 1 (lower left). First plumage. 



South Tyne, J^orthumberland. 



Presented by Mr. Richd. Howse. 

 ,, 2 (upper left). Female, 



Findrissie, Scotland, March 16th, 1850. 

 ,, 3 (right). Male, 1836. 

 ,, 4 (centre). Yotjng in first plumage. 



June, 1877. 



16. Hooded Crow. Corvus cornix, Linn. 



- m. 1 (left). Mature. 



Cuil-na-Shamraig, W. Loch Tarbert, Oct , 1879. 



Presented by Mrs. Browell. 

 „ 2 (right). Male. 



Newbiggin-by-the-Sea, Jan. 26th, 1881. 



Presented ly Mr. E. O. Reid. 



16. Hooded Crow. 



No. 1 (front left). Male. 



Cross between Hooded and Carrion Crow. 



Elgin, March 9th, 1850. 

 ,, 2 (right). Female. 



Cross between Hooded and Carrion Crow. 



Elgin, March 9th, 1850. 

 „ 3 (hind left). 



Richmond, Yorkshire, 1838. 



Remark. — For an account of this interesting cross see 



Catalogue of the Birds of Northumberland and Durham, 



(Nat. Hist. Trans, of Northumberland and Durham, vol. vi., 



p. 32). J. H. 



17. Rook. Corvus frugilegus, Linn. 



No. 1 (left). Male in breeding plumage. 

 ,, 2 (right). Female in breeding plumage. 

 Northumberland March 25th, 1876. 

 Remarli. — The latter with an egg in the ovary ready to 

 be laid. J. H. 



V 



