CATALOGUE OF CANADIAN BIRDS. 213 
they receive from the mother’s bill and feet. (Seton-Thompson.) 
Our eggs of this species are exactly the size of the Upland Plover, 
beingsry75 X/1°25. 
MUSEUM SPECIMENS. 
Two specimens; one taken at Indian Head, Assa., in April, 
1892, the other at Medicine Hat, Assa., April 11th, 1894, by Mr. 
W.Spreadborough. One set of eggs taken at Grenfel, Assa., in 
May, 1894, and presented to the Museum by Mr. R. Lake. 
3086. Prairie Sharp-tailed Grouse. 
Pedwocetes phasianellus campestris RipGw. 1884. 
Plains and prairies of the United States, east of the Rocky 
Mountains ; north to Manitoba. (A. O. U. List.) We have no 
knowledge of this form. All our birds killed in 1895, when on 
the southern prairie, were pale grayish in colour. 
CXIl. CENTROCERCUS Swainson. 1831. 
309. Sage Grouse. 
Centrocercus urophastanus (BONAP.) SWAINS. 1831. 
In June, 1895, while the writer was making an examination of 
the prairie region north of the International boundary between 
Wood Mountain, Assa., on the east and Chief Mountain in the 
west, special efforts were made to map out the range of the Sage 
Hen. It had been found in the valley of Frenchman River by 
the Boundary Commission in 1874, where it was recorded by Dr. 
G. M. Dawson. On June 14th we went into the ‘“ Bad Lands,” 
south of Wood Mountain and had the good fortune to come upon 
about a dozen males where there was a little sage brush (Arée- 
musta cana.) ‘They all escaped and a whole day was spent trying 
to locate the females but none were seen. A week later we reach- 
ed the valley of the White Mud or Frenchman River, a tributary 
of the Missouri, and before an hour had seen a number of old 
birds with young, and located a nest under sage brush where the 
chicks were just emerging from the shell. From this nest I ob- 
tained two nearly perfect eggs. Specimens were procured and 
later we traced the birds up the valley of the White Mud to its 
source in the Cypress Hills. In no case was any bird found away 
from Artemisia cana. At Osoyoos Lake where the species has 
