THE MARCHIANTIACEAE OF SINSINAWA MOUND. 225 
3.—Siala sialis—Bluebird. 
Arrived in early spring. A flock of eight were seen on 
March 27. After that several were observed, but always 
singly or in pairs. 
4.— Regulus satrapa—Golden-crowned Kinglet. 
Found hopping from branch to branch in the bushes along 
the Des Plaines River on April 14. 
5.—Regulus calendula—Ruby-crowned Kinglet. 
Observed only a few times along the Des Plaines River. 
First observation was.on May 10. Was not seen after 
June 1. 
6.—Parus atricapillus—Black-capped Chickadee. 
A resident.. Found chiefly in low bushes along the river. 
Observed on almost every trip. 
7.—Certhia familiaris americana—Brown Creeper. 
Is a winter resident. Quite common in Forest Preserves. 
Observed the first time on October 28. 
8.—Galeoscoptes carolinensis—Catbird. 
A summer resident. Seen as early as April 14. 
9.—Harporhynchus rufus—Brown Thrasher. 
Very common. A summer resident, observed almost 
daily after April 14. 
10.—Troylodytes aedon—House Wren. 
Very numerous. Heard or seen daily after May 28. 
11.—Troglodytes hiemalis—Winter Wren. 
Not very common. Observed on and after April 14. 
12.—Mniotilta varia—Black and White Warbler. 
Very common. Summer resident. First observation was 
on April 14. Often seen after that. 
13.—Dendroica blackburniae—Blackburnian Warbler. 
Observed only once, May 23, on College Campus. 
14,—_Setophaga ruticilla—American Redstart. 
Common summer resident. First observed May 10. 
