GROUSE. 129 
which escaped. In 1863 an extraordinary flight of 
these birds visited Great Britain, and numerous ex- 
amples were shot and duly chronicled. A very com- 
plete summary of these will be found in an article by 
Professor Newton in ‘ The Ibis, 1864, p.185; and as 
regards the counties of Norfolk and Suffolk, where as 
many as seventy-five were killed, the reader may be 
referred to an excellent chapter on the subject in 
Stevenson’s ‘ Birds of Norfolk,’ vol. i. pp. 376-404. 
Fam. TETRAONID&. 
BARBARY PARTRIDGE. Perdix petrosa (Gmelin). 
Hab. North Africa. 
One, Edmondthorpe, near Melton Mowbray, April 1842: 
Yarrell, Hist. Brit. Birds, vol. ii. p. 400. 
One, Sudbourn, Suffolk: Yarrell, op. cit. 
One, Freston, Suffolk: J. H. Gurney, jun., MS. 
One near Ipswich: id.* 
One, Killiganoon, Cornwall, 1865 : Bullmore, Cornish Fauna, 
p. 25. 
VIRGINIAN COLIN. Ortyx virginianus (Linneus). 
Hab. Eastern United States to the High Central Plains. 
This can only be regarded as an introduced species, 
and has therefore no claim to be considered a British 
bird. Early in the present century several pairs were 
* Mr. Gurney considers that these specimens must have been 
turned down or their eggs introduced by game-preservers. 
K 
