l6o THE CHICAGO ACADEMY OF SCIENCES. 



Compsothljfpis americana Ridgway, Orn. 111., I, 1889, 131. 

 Compsothlypis americana ramalinw Ridgway, Bull. U. S. Nat. Mus., 



No. 50, part ii, 1902, 486. 

 Popular synonym : Blue Yellow-backed Waebleb. 



The Western Parula Warbler is a common migrant, arriving 

 within our Hmits in the spring from about the fifth to the last of 

 May, and returning in the fall. from the last of August to the 

 last of September. 



The range of the Western Parula Warbler covers the Mis- 

 sissippi Valley and district of the Upper Great Lakes ; breeding 

 from Louisiana and Texas to Michigan, Wisconsin and Minne- 

 sota; occasional west to eastern Colorado; in winter southward 

 through eastern Mexico and Central America to Nicaragua. 



Genus DENDROICA Gray. 1842. 



Dendroica tigrina (Gmelin). Cape May Warbler. 



Motacilla tigrina Gmelin, S. N., I, ii, 1788, 985. 

 Sylvia maritima Wilson, Amer. Orn., VI, 1812, 99, pi. 54, fig. 3. 

 SyVvicola maritima Jaedine, ed. Wilson's Amer. Orn., II, 1832, 291. 

 Dendroica tigrina Baikd, Rep. Pacific R. R. Surv., IX, 1858. 286. 

 Perissogloasa tigrina Baied, Review, Amer. Birds, April, 1865, "181. 



The Cape May Warbler is a rather common migrant, but it 

 so closely resembles Dendroica maculosa that it is frequently mis- 

 taken for that warbler. It arrives in the spring from the first 

 to the twenty-fifth of May, and returns in the fall from the last 

 of August to the last of September. 



The range of this species covers North America east of the 

 Great Plains and from the Hudson Bay region and Lake Winni- 

 peg southwa^^d. It breeds chiefly north of the United States, 

 and winters in the West Indies. 



Dendroica aestiva (Gemlin). Yellow Warbler. 



Sylvia wstiva Latham, Ind. Orn., II, 1790, 551. 

 Motacilla (Estiva Gmelin, S. N., I, ii, 1788, 996. 

 Sylvicola wstiva Sw. & Rich., Fauna Bor. Amer., II, 1831, 211. 

 Dendroica wstiva Baird, Rep. Pacific R. R. Surv., IX, 1858, 282. 

 ' Popular synonyms : Summer Yellow-bied. Wild Canary. 



The Yellow Warbler is a very common summer resident, ar- 

 riving the last of April, and departing about the first week in 

 September. 



The range of this species covers nearly the whole of North 

 • America. It breeds quite throughout its range in North America, 

 and winters southward to Central and South America. 



