1 urdus ustulatus swaiusouii, Olive-backed 
Thrush. 
Migrant, not rare; several soon during September, 1890. 
(•) ( J1) —1 urdus aoualaschkaj pallasii, Hermit 
Thrush. 
Migrant, frequent. 
7()1 — Meruia migratoria, American 
Abundant summor resident; sometimes 
Gregarious in fa]J, w inter and early spring. 
Robin. 
seen in 
winter. 
7bb — Sialia sialis. Bluebird. 
i 1 <>i inerly an abundant summer resident, arriving early in 
the spring; nesting about houses and in holes in trees. The 
species has been exceedingly scarce during the last two sum¬ 
mers. The eggs of the Bluebird are usually light blue, but I 
took a set of three eggs July 10, 1893, which were pure white in 
color. 
172a—Branta canadensis hutchinsii, Hutchins’s 
Goose. 
I his smaller Western variety of the Canada (loose has been 
identified in Cerro (Jordo county by Mr. F. Cl. Richardson, 
together with the American White-fronted, Canada, and 
Greater Snow Geese. 
ADDITIONAL NOTES: 
133 — Anas obscura, Black Duck. Dusky Duck. 
A young male was shot by Mr. F. G. Richardson, at Rice 
Lake, Winnebago county, Oct. 8, 1888, in company with a flock 
of Mallards. This species is the “Black Mallard” of New Eng¬ 
land and the Eastern states, but is rarely taken west of the 
Mississippi River. 
337a — Buteo borealis kriderii, Krider’s Hawk. 
Took a set of three slightly incubated eggs May 2, 18915, in 
Ellington township, Hancock county; nest in a Burr-oak tree, 
46 feet from ground, composed of sticks and one cornstalk, 
and lined witth strips of stringy bark. The nest also con¬ 
tained a number of White Poplar twigs with young green 
leaves. Nest and eggs photographed in situ. 
