THE MARCHIANTIACEAE OF SINSINAWA MOUND. 227 
29.—Molothrus ater—Cowbird. 
Observed a group of six in a vacant lot June 17. 
30.—Sturnella magna—Meadowlark. 
Summer resident. Observed April 2 for first time. Very 
common. 
31.—Dolichonyx oryzivorus—Bobolink. 
Common summer resident. Seen many times after May 26. 
32.—Chondestes grammacus—Lark Sparrow. 
Observed a few times in fall after October 21. Not very 
numerous. 
33.—Icterus spurius—Orchard Oriole. 
Not common in this region. Observed only once on June 16. 
34.—Icterius galbula—Baltimore Orile. 
Not common. Observed June 13 on College Campus. 
35.—Scolecophagus carolinus—Rusty Blackbird. 
Observed in groups, often with purple grackles. First 
observation was March 24. 
36.—Agelaius phoeniceus—Red-winged Blackbird. 
Common in swamps near Forest Preserves. Several 
observed in group October 28. 
37.—Quiscalus quiscala—Purple Grackle. 
Usually seen in large flocks. Observed October 21, and 
many times in the spring. 
38.—Cyanocitta cristata—Blue Jay. 
Very common and numerous. Few observed now and 
then throughout winter. Marked increase in number after 
May 6. - 
39.—Corvus Americanus—American Crow. 
Very common. Resident. 
40.—Tyrannus Tyrannus—Kingbird. 
- Common summer resident. Several observed May 21. 
