112 



128. I. baltimore Daud. BALTIMORK ORIOLE. Common summer 

 resident. Arrives May 8th and departs in September. 



Genus Scolecopliagus Sw. 



129. S. ferrugineus Sw. RUSTY BLACKBIRD. Very common in 

 spring and fall, from March 25th to May 1st, and from September until 

 the middle of November. Frequents borders of streams and ponds 

 in large numbers. 



130. S. cyanocephalus Cab. BRKWER'S BLACKBIRD. A very 

 rare visitant in company with the preceding. 



Genus Quiscalus Vieill. 



131. Q. pupureus var. seneus Iii<Jg. PURPLE GRAKLE. A com- 

 mon summer resident. Arrives the middle of March, and departs late 

 in autumn. 



Family CORVID.2ES. 



Genus Corvus Linn, 



132. C. corax var. carnivorus Bartr. RAVE.V. Formerly a not 

 uncommon resident; now occurs only in winter and is rare. Fre- 

 quents the sand hills along the Lake shore from the last of October 

 until spring. The first of November, 1875, I saw several specimens 

 near Waukegan, where they were repeatedly seen flying along the 

 Lake shore, and also eating the dead fish found there. 



133. C. americanus Aud. CROW. Resident. This is far from 

 an abundant species in Northern Illinois, at any season or locality. A 

 small number breed in the low pines on the sand hills along the Lake 

 shore, aud in winter they unite in small flocks and move from place to 

 place. 



Genus Pica Cuv. 



134. P. caudata var. hudsonicus Sonap. MAGPIE. "Not un- 

 common in winter." (Kennicott.) I have no record of its occurrence 

 other than the above, and its capture many years since near Racine, 

 Wisconsin, by Dr. Hoy. 



Genus Cyanura Sw. 



135. C. cristata Sw. BLUE JAY. Very common resident. Have 

 taken its eggs the 25th of April. At a farm-house near Waukegan, 

 where I passed the spring of 187G, these birds were protected, and in 

 consequence were very familiar. Some six or eight nests were built 

 in the small pine trees within a few yards of the' house, one of which 

 was composed almost entirely of fragments of cloth, strings, and 



