136 
THE SHARP TAILED GROUSE. 
Centrocercw phatiaiiellus^wjLifiBots. 
PLATE XVL' 
Tetrao phasiaTiellue, Bu&naparie^s Continuatimof Wilson. 
—Long-Tailed Grouse, Edwards, — Shajrp-Tailed Grouse, 
PennanL — Centroccrcus phosianeUus, Nttrthem Zoa^ 
The two following specimenB are reniHrkable for 
the elongated form of the tail, aiul Imve Lichen placed 
by Mr Swaiii^oii, as ilie st-antorial forms of the fa- 
mily, particularly tlie next bird, where the feathers 
are rigid and sharp pointed, and almost bare at the 
tips. Ttje present birdt though previously Itinted 
at by several authors, appears never to have been 
authentically known or riescrihed, until after the re- 
turn of Say from the Hoeky Mountain expedition; 
but the best description is given by Bonaparte in 
his continuitLtion, who him nlso figuretl the female. 
It is common in the southern parts of the Hud' 
son Bay settlentents. According to the Northern 
Zoology, the most northern limit is the Great Slave 
Lake, 63' parallel, and its most southern recorded 
station, 41' on tlie Missouri, It abound* on the ont- 
* The generic name upoiv the Plate vob engraved by mlo- 
tftke. 
