136 
THE SHAHP-TAILEl) CROUSE. 
Cenlrocerc tw p hasittn dim — S w jUnsoM. 
PLATE XVI.* 
Tetrao phiiaianellus, Huoimjmrtds Continuation of IVitson. 
i — Long-Tailed Grouse, Edwards— Shnrp-Taiied Grouse, 
Pennant . — Centromere us ]iliasiandlus, Northern Zoo- 
&&!/• 
The two following specimens are remarkable for 
the elongated form of the tail, and have been placed 
by Mr Swainson, as tire scantorial forms of the fa- 
mily, particularly the next bird, where the feathers 
are rigid and sharp pointed, and almost bare at the 
tips. The present bird, though previously hinted 
at by several authors, appears never to have been 
authentically known or described, until after the re- 
turn of Say from the Rocky Mountain expedition ; 
Imt the best description is given by Bonaparte in 
liis continuation, who lias also figured the female. 
It is common in the southern parts of the Hud- 
son Bay settlements. According to the Northern 
Zoology, the most northern limit is the Great Slave 
Lake, 65 D parallel, and its most southern recorded 
station, 4T° on the Missouri. It abounds on the out- 
* Tlie generic name upon the Plate was engraved by mis- 
take. 
