84 AVES. 



Genus ANSER, Brisson. 

 ANSER sp. 



(Goose.) 

 (Vert. Forest Bed, p. 112, PLA.TE XVII., FIG. 1.) 



A portion of a metacarpal bone, from the Forest-bed of East 

 Runton, which agrees with that of the common Goose, has been 

 referred to this genus. 



Genus ANAS, Linnaeus. 



ANAS? sp. 

 (Duck.) 



(Vert. Forest Bed, p. 113, PLATE XVII., FIG. 2.) 



A portion of a coracoid and a metacarpal from the Forest-bed 

 of West Runton have been thought to belong to this genus. 



Genus SPATULA, Boie. 

 SPATULA CLYPEATA, LINNAEUS. 



(The Shoveller.) 

 . PLATE IX., FIGS. 7, b. 



A perfect coracoid, obtained by Mr. W. Barker from the Forest- 

 beds at West Runton, agrees so exactly with the same bone in 

 the Shoveller duck that it has been referred to the same species. 

 (Geol. Mag., Dec. 3, Vol. IV., p. 146, 1887.) 



This species has at the present day a very wide distribution, 

 having been found over the greater part of the Northern hemis- 

 phere, and extending from near the Arctic circle southward in the 

 old world to Egypt and Abyssinia, India, and Southern China, and 

 in America from Alaska to Panama ; while it is said to have been 

 met with in Australia. 



Genus URIA, Brisson. 



URIA TROILE, LINNAEUS. 



(Common Guillemot) 



PLATE IX., FIGS. 5a, b. 



A humerus belonging to this species was recognised some years 

 ago by Prof. Flower (Proc. Norwich Geol. Soc., Vol. I., p. 27, 

 1878) in a collection of fossils from the Chillesford Crag of 

 Aldeby, made by Messrs. Crowfoot and Dowson. This determina- 

 tion has been recorded by Mr. H. B. Woodward (Mem. Geol. 



