THE NATURAL HISTORY SURVEY. 14! 



The A. O. U. Check-list gives its range as follows : "Interior 

 of North America, from Illinois and Iowa west to the Rocky 

 Mountains, Arizona, and Cape St. Lucas, and from Guanajuato 

 and Oaxaca north to the Saskatchewan Plains. Breeds from 

 Iowa and Nebraska northward." 



Spizella pusilla (Wilson). Field Sparrow. 



Fringilla pusilla WILSON, Amer. Orn., II, 1810, 121, pi. 16, fig. 2. 

 Fringilla juncor-um XUTTALL, Man., I, 1832, 499. 

 Spisella pusilla BONAPARTE, Geog. & Comp. List, 1838, 33. 

 Popular synonyms: FIELD CHIPPY. FIELD CHIP-BIBD. RED-BILLED 

 CHIPPY. 



The Field Sparrow is a common summer resident, arriving 

 early in April, and departing early in October. 



Its range includes southern Canada and the United States 

 east of the Plains and south to the Gulf of Mexico and Texas. 

 It breeds from South Carolina, Kentucky and Kansas northward. 



Genus JUNCO Wagler, 1831. 



Junco hyemalis (Linnaeus). Slate-colored Junco. 



Fringilla hyemalis LINN.EUS, S. N., ed. 10, I, 1758, 183. 

 Fringilla nivalis WILSON, Amer. Orn., Ill, 1810, 129, pi. 16, fig. 6. 

 Junco hyemalis SCL., P. Z. S., 1857, 7. 



Popular synonyms: SNOWBIBD. COMMON SNOWBIBD. SLATE-COLOBED 

 SNOWBIRD. BLACK OB GBAY SNOWBIBD. 



The Slate-colored Junco is an abundant migrant. It arrives 

 the last of February and remains in our vicinity until May. In 

 its fall migrations it arrives about the middle of September and 

 departs on the appearance of severely cold weather. It is also 

 claimed that a few of these Juncos remain within our limits 

 during the more open winters. 



The range of this species covers North America, chiefly east 

 of the Rocky Mountains, and it breeds in the mountain regions 

 of the northeastern portions of the United States northward and 

 to Alaska. It winters in the more temperate portion of the 

 eastern United States as far south as the Gulf of Mexico. 



Junco montanus Ridgrway. Montana Junco. 



Junco oregonus COALE, Bull. Nutt. Orn. Club., ii, p. 82, 1877. 

 Junco montanus RIDGWAY, Auk, XV, p. 321, Oct., 1898. 



A. O. U. Committed, Auk, XVI, p. 119, 1899 (No. 567.1). 



A well-defined specimen of this species is in the collection of 

 The Chicago Academy of Sciences, which was taken by Mr. F. 

 S. Dayton, of Chicago. On October 2ist, 1898, he saw, in the 



