NATURAL HISTORY. xxix 



the east side of the Peninsula, seeming to prefer the low limestone formation to that of 

 the high rugged granite, which appears more peculiarly adapted to the habits of the 

 Rock Grouse and the Ptarmigan. 



10.— TETRAO LAGOPUS RUPESTRIS (Rock Grouse). 



TETRAO LAGOPUS RUPESTRIS.— SiVA ; Faun. Bar. Amer.—vo\. li., p. 354, pi. 64, fern. 

 TETRAO RUPESTRIS.— Sai ; Supp. to Parry's 1st Voyage— -p. cxcv. 

 Rich : App. to Parry's id Voyage — p. 348. 

 Ross, App. to Parry's 3d Voyage — p. 99. 

 Lath: Iiid. Orn. — vol. ii., p. 640. Gmel. — vol. i., p. 751. 

 ROCK GROUSE.— ^Ircf. Zoo/.— vol. ii., No. 184. Lath : Syii. Supp.~p. 217. 



Is much more numerous in the higher northern latitudes than either of the two 

 preceding species. It frequents the eastern side of the Peninsula of Boothia; but was 

 not found to the westward. 



II.— COLUMBA MIGRATORIA {Passenger Pigeon). 



eOLUMBA MIGRATORIA.— Rjc/» .- Faun. Bar. Amer.— vol. ii., p. 363. 



Sab : App. to Franklin's Journey — p. 679. 

 Cuv : Rig. Anim.—\o\. i., p. 488. 

 Forster, in Phil. Trans. Roy. Soc. — vol. Ixii., p. 398. 

 PASSENGER PICEOli. —Arct. ZooL—yo\. ii., p. 322. 



A young male bird flew on board the Victory during a storm, whilst crossing Baffin's 

 Bay in latitude VSi" N, on the 3Ist of July, 1829. It has never before been seen 

 beyond the si.xty-second degree of latitude ; and the circumstance of our having met 

 with it so far to the northward, is a singular and interesting fact. 



It is well known, from the dreadful devastation it commits in tlie rice-fields of 

 America; and the accounts which authors give of the inconceivable multitudes that 

 occasionally assemble together, are quite incredible. See Wilson's " American 

 Ornithology," vol. ii., p. 299. 



