Bulletin - United States National Museum . departure are about the same. It is perhaps fonder of swampy PASSERES OSCINES TURDID.E. 35 places. This interesting species was first shown to belong- to the east-ern Avifauna by ourselves (see Pr. Phila. Acad. Nat. Sci., Aug., 1861, p.217). [12] 6. (46.) Turdus ustulatus swainsoni (Cab.) Coues. (T. swAinsonipi the originaledition.) Eastern Olive-backed Thrush. A spring and autumn migrant; does not breed here. The mostabundant of the Thrushes, excepting perhaps the Hermit; we have seenthem in considerable tlocks in the fall. Arrives the second week in

Bulletin - United States National Museum . departure are about the same. It is perhaps fonder of swampy PASSERES OSCINES TURDID.E. 35 places. This interesting species was first shown to belong- to the east-ern Avifauna by ourselves (see Pr. Phila. Acad. Nat. Sci., Aug., 1861, p.217). [12] 6. (46.) Turdus ustulatus swainsoni (Cab.) Coues. (T. swAinsonipi the originaledition.) Eastern Olive-backed Thrush. A spring and autumn migrant; does not breed here. The mostabundant of the Thrushes, excepting perhaps the Hermit; we have seenthem in considerable tlocks in the fall. Arrives the second week in

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Bulletin - United States National Museum . departure are about the same. It is perhaps fonder of swampy PASSERES OSCINES TURDID.E. 35 places. This interesting species was first shown to belong- to the east-ern Avifauna by ourselves (see Pr. Phila. Acad. Nat. Sci., Aug., 1861, p.217). [12] 6. (46.) Turdus ustulatus swainsoni (Cab.) Coues. (T. swAinsonipi the originaledition.) Eastern Olive-backed Thrush. A spring and autumn migrant; does not breed here. The mostabundant of the Thrushes, excepting perhaps the Hermit; we have seenthem in considerable tlocks in the fall. Arrives the second week inApril, remains but a short time, and returns in the fall the second weekin September, finally departing the second week of the followingmonth. [13] Subfamily MIMIN^E : Moekiug Thrushes.7. (100.) Miinus polyglottus (Linn.) Joie. MOCKING-BIRD. A summer resident; rare. Arrives April 25; departs about the mid-dle of September. This may be considered about the usual northernlimit of the Mockingbird, though it has occasionally been seen in New. Fig. 3.— Mocking-bird. England, and in the West up to 12°. It breeds abundantly in SouthernMaryland, some 60 or 80 miles below Washington. Nest in a bush,bulky, of sticks, &c. 5 eggs speckled. [15] 8e (101.) Mimus carolinensis (Linn.) Gray. Cat-bird. An extremely abundant summer resident; arriving the third weekin April, remaining until about the middle of October. It is found inthickets and shrubbery, in all the briar-patches, along fences and brush-heaps ; the nest is built in bushes, often in the heart of a smilax, and 36 AVIFAUNA COLUMBIANA. is one of those most frequently found, as the birds are careless of itsconcealment, however vigilant and solicitous for its protection. Theeggs are greenish-blue, without markings, like those of the Robin butsmaller. Some pairs always nest in shrubbery in the parks and gar-dens within city limits. [16.] 9. (102.) Harporhynchus rufus (Linn.) Cab. Brown Thrush; Thrasher;Trench Mocking-bird; Sandy Mock