COUES ON BIRDS OF DAKOTA AND MONTANA. 



557 



cies, as Sprague's Lark, the Savanna Sparrow, Baird's, Maecown's, and 

 the Chestnut-collared Bantings, all of which are abundant birds of the 

 same region. 



List of specimens. 



ANTHUS LUDOVIGIANUS, {Gm.) Licht 



TiTLAEK, or Pipit. 



In the general area surveyed by the Comnfiission, the Titlark appears 

 to be only a bird of passage, in spring and autumn. During the first 

 season I accompanied the Survey, none were observed until September, 

 when, with arrival of various other species from the north, they made 

 their appearance in considerable numbers along the Mouse Eiver. The 

 following season, however, I found them in August about Chief Mount- 

 ain Lake, and do not doubt that those then observed were bred in the 

 immediate vicinity, as at that time the fall migration had not com- 

 menced. In the Eastern Province, the Pipit agrees closely with the 

 Horned Lark in its distribution during the breeding-season; in the 



