318 STATE AGRICULTURAL COLLEGE BULLETINS. 



Genus COMPSOTHLYPIS Cab. 



281-648(93). Compsotlilypis americaiui (Linn.). *Parul.\ Warbler; Blue 

 Yellow-backed Warblek. 



Rare: May and June; '• Lenawee and Hillsdale Counties" (A. H. Boies); " abundant 

 migrant at Mackinac Island'" (S. E. White); occasionally breeds; nests in June, 

 in trees; '-often in a bunch of lichens" (Dr. A. K. Fisher); nest elaborate; eggs four 

 to five, white with yellowish tinge and specked with brown. " Never found a nest 

 at Plymouth " (J. B. Purdy); '• this bird is a transient in Monroe Co.. where it is 

 becoming very rare " (Jerome Trorabley). 



Genus DENDROICA Gray. 



282-(>50-(126). Dendroica tigriiia {Gmel). Cape May Warbler. 



Not rare in spring and autumn; • common in Kent Co. in spring migrations, not 

 rare in autumn; migrant; frequents the orchards and pines and not an uncommon 

 migrant on Mackinac Island" (S. E. White); "Palmer, Marquette Co.'" (O. B. War- 

 ren); "see them every year in Kent Co. from May 7 to May 15, have killed fifteen 

 in one day" (Dudley E. Waters); "killed by electric light tower at Bay City, 

 May 15, ISSX)" (N. A. Eddy); I have it reported from Thunder Bay Island; 

 "Lenawee Co." (A. H. Boies); "Monroe Co., very rare, only two seen"" (Jerome 

 Trombley); "Mackinac Island" (S. E. White); seen by E. W. Durfee at Ishpem- 

 ing May. 189.'5; in Cabot"s list of Birds of Lake Superior; " known to breed near 

 Green Bay Wisconsin" (Pr:.f. Ludwig Kumlein). 



283 6o2-(lll part). Deiidroica a^stiva (Gmel.). * Yellow Warbler; Yellow 

 Bird; Summer Yellow Bird. 



Our most common resident warbler; April and May to August and September; 

 taken at college by A. B. Cook, May 10, 1893, who finds it common; "arrives at Bay 

 City, where it breeds in abundance, from May 4 to May 1.3 " (N. A. Eddy); "not 

 observed in Upper Peninsula " (A. H. Boies); " abundant summer resident at Macki- 

 nac Island"' (S. E. White); "taken at Iron Mountain" (E. E. Brewster); "Kewee- 

 naw Point" (Kneeland); "very abundant at Albion and St. Joseph, and seen at 

 Palmer"" (O. B. Warren); breeds; nests in May, in thick foliage, in bushes or small 

 trees, especially in willows along streams; nests exquisite; eggs four, occasionally 

 five, yellowish white or greenish gray, specked with brown; J. B. Purdy reports a 

 full set of albino eggs; Forbes found (see Report of Michigan Horticultural Society, 

 1881. p. 204) that si.xty-six per cent of the food of several birds examined consisted 

 of canker worms. "It feeds extensively on the larva' of elm beetles" (Dr. A. K. 

 Fisher). This is an excellent little bird friend. 



284-654(117). Deiidroica ca'rnlescens (Gmel.). * Black - throated Blue 

 Warbler. 



Common; migrant; tw(j pairs taken at college by A. B. Cook. May 10, 18S)3; "com- 

 mon migrant and often a summer resident at Mackinac Island '" (S. E. White); " many 

 killed at Bay City by electric light tower. October 1, 1889; taken at Heisterman"s 

 Island in fall " (N. A. Eddy); possibly breeds north; " C. W. Gunn found it breeding 

 in Ottawa Co.'" (Dr. M. Gibbs); "migrant in Southern Michigan"' (.Jerome Trombley); 



