CATALOGUE OF CANADIAN BIRDS. 21 3 



they receive from the mother's bill and feet. {Seton-Thompson.) 

 Our eggs of this species are exactly the size of the Upland Plover, 

 being 175 x vie,. 



MUSEUM SPECIMENS. 



Two specimens ; one taken at Indian Head, Assa., in April, 

 1892, the other at Medicine Hat, Assa., April nth, 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. 



3 08 J. Prairie Sharp-tailed Grouse. 



Pedioc(Stes phasianellus campestris Ridgw. 1884. 



Plains and prairies of the United States, east of the Rocky 

 Mountains ; north to Manitoba. {A. 0. 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. 



CXn. CENTROCERCUS Swainson. 1831. 

 309. Sage Grouse. 



Centrocercus urophasianus (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 {Arte- 

 misia catia.) 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 awaj' 

 from Artemisia cava.. At Osoyoos Lake where the species has 



