55 
Ornithology. 
sp. T. pallasii, Gab. Hermit Thrush. 
Seldom seen, but identified. 
sp. T. swainsonii, Cab. Olive-backed Thrush. 
Common. Arrives about the 20th of May, and retires about the 1st of Sep¬ 
tember. 
sp. T. migratorius, Linn. Robin. 
Very common; appearing some years by the 20th of March, and only quit¬ 
ting us late in October. 
Gen. Sialia, Svj. 
sp. S. sialis, Bd. Bluebird. 
Common as the last. Migrations, same. 
Gen. Regulus, Cuv. 
sp. R calendula, Licht. Ruby-crowned Wren. 
Considernble flocks observed along the streams in spring migration about 
the 20th of April. Said to breed here, but this is not yet certain. Leaves 
October 1st. 
Fam. Siivicolidae- 
Gen. Anthus, Back. 
sp. S. ludovicianus, Licht. Tit Lark. 
Common rn both migrations, appearing about the 15th of May, and disap 
pearing in October. No nests obtained. 
Gen. Neocorys, Scl. 
sp. N. spraguei, Scl. Missouri Sky Lark. 
Believed to be here, but not settled. 
Gen. Mniotilta, V/el. 
sp. M. varia, Viel. Black and White Creeper. 
For its kind, commpn. Arrives about the 15th of May, and returns south 
about the 15th of September. Nests, occasionally found. 
Gen. Parula, Bon. 
sp. P. americana, Bon. Blue-Yellow-backed Warbler. 
Barely identified. 
Gen. Geothlypis, Cab. 
sp. G. trichas, Cab. Maryland Yellow-Throat. 
Very common. Arrives about the 20th of May, and disappears late in 
August. 
sp. G. Philadelphia, Bd. Mourning Warbler. 
Rare, and unnoted. 
Gen. Oporornis, Bd. 
sp. O. agilis, Bd. Connecticut Warbler. 
Also rare, with habits unnoted. 
Gen. Icteria, Viel. 
sp. I. viridis, Bon. Yellow-breasted Chat. 
Another rare species. 
