112 



128. I. baltimore Dmtd. B.vi.TmoiMi; Ouioi.e. Common summer 

 resident. Arrives May 8tli aud departs in September. 



Genus Scoleeopliagus Sio. 



129. S. ferrugineus Sw. Kusty Blackbii;d. Very common iu 

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

 the middle of November. Frequents borders of streams and ponds 

 iu large numbers. 



130. S. cyanocephalus Cab. Biikwi:r's Blackbiud. A very 

 rare visitant In company with the preceding. 



Genus Quisealus Vieill. 



131. Q. pupureus var. seneus BhUj. Pui;plr Graklk. A com- 

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

 in autumn. 



Family CORVID^. 

 Genus Corvus Linn. 



132. C. corax var. carnivorus Bartr. Kave.v. Formerly a not 

 uncommon resident; now occurs o\\\y in winter aud is I'are. Fre- 

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

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

 near Waukegan, where they were repeatedly seen flying along the 

 Lake shore, aud also eating the dead fish found tliere. 



133. C americanus And. Cnow. Resident. This is fiir from 

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

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

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

 place. 



Genus Pica Cuv. 



134. P. caudata var. hudsonicus Bonap. MAcriK. "Not un- 

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

 other thiin the above, aud its capture many years since near llacine, 

 Wisconsin, by Dr. Hoy. 



Genus Cyanura Sw. 



135. C. cristata Sw. Blue Jay. Very common resident. Have 

 taken its eggs the 25ih 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 

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

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



