144 THE CHICAGO ACADEMY OF SCIENCES. 



A common summer resident, arriving late in March, and de- 

 parting late in October. 



The range of this Sparrow covers the eastern. United States 

 and British Possessions, west to the Great Plains, casually to 

 Utah, and breeds from the United States northward. It winters 

 southward chiefly below latitude 38°. 



Genus FASSEBELLA Swainson, 1837. 



Passerella iliaca (Merrem). Fox Sparrow. 



Fringilla iliaca Meerem, Beitr. Gesch. Vog., II, 1786-1787, 49, pi. 10. 



Passerella iliaca Swainson, Classif. B., II, 1837, 288. 



Popular synonyms : Fox-colobed Spaebow. RuFOtrs Spakrow. 



The Fox Sparrow is a common migrant, passing through 

 our area in spring migrations chiefly in March and April ; re- 

 turning in the fall it may remain with us until about the middle 

 of November. 



The range of the Fox Sparrow covers eastern North America 

 from the Gulf of Mexico northward to Alaska and the Arctic 

 coast, and it breeds north of the United States and winters chiefly 

 south of latitude 40°. 



Genus FIFILO Vieillot, 1816. 



Fipilo erythrophthalmus (Linnsus). Towhee. 



Fringilla erythrophthalma Linn^us, S. N., ed. 10, I, 1758, 180. 

 Pipilo erythrophthalmus Vieillot, Gal. Ois., I, 1824, 109, pi. 80. 

 Popular synonyms : Jaree. Chewink. Towink. Ground Robin. 



The Towhee is a common summer resident, arriving from the 

 middle of March to the middle of April, and departing about the 

 last of October. 



The range of this species covers the eastern United States 

 and the southern portion of the British Possessions, west to the 

 Plains. It breeds from Georgia and the lower Mississippi Valley 

 northward ; winters from Pennsylvania and Indiana southward. 



Fipilo maculatus arcticus (Swainson). Arctic Towhee. 



Pyrgita (Pipilo) arctica Swainson, in Sw. & Rich., Fauna Bor. Amer., 



II, 1831, 260, pis. 51, 52. 

 Pipilo maculatus var. arcticus CouES, Key, 1872, 152. 



The only record that I have found of the taking of the Arctic 

 Towhee within our limits is that of Mr. F. S. Dayton who shot 

 one of these birds in the woods west of North Evanston, Illinois, 

 on October 24, 1898, near the same locality where he obtained 



