TITRDID.E — THE THRUSHES. 7 



3. T. alicise. Gra3'ish clove-brown above ; breast almost white, with 

 broad, blackish spots ; whole side of head uniform grayish. Wing, 

 4.20; tail, 3.20; culmen, .77; tarsus, 1.15. Ilab. Eastern Province 

 North America from shore of Arctic Ocean, Fort Yukon, and Kodiak 

 to Costa Rica. West to Missouri River. Cuba. 

 h. A conspicuous orhilal ring of huff, 

 i. T. swraiusoni. 



Greeui,sh-olive above, breast and sides of head strongly tinged with 

 buff. Spots on breast broad, distinct, nearly black. Length, 

 7.00; wing, .3.90; tail, 2.90; culmen, .65; tarsus, 1.10. Ilah. 

 Eastern and Middle Provinces of North America. North to 

 Slave Lake, south to Ecuador, west to East Humboldt Moun- 

 tains var. sioainsoni. 



Brownish-olive above, somewhat more rufoscent on wing; breast 

 and head strongly washed with dilute rufous. Spots on breast 

 narrow, scarcely darker than back. Wing, 3.85 ; tail, 3.00 ; cul- 

 men, .70; tarsus, 1.10. Hab. Pacific Province of United States. 

 Guatemala. ........ var. ustulatus. 



C. Above olivaceous, becoming abruptly more reddish on upper tail-coverts 

 and tail. Spots as in swainsoni, but larger and less transverse, — more .sharply 

 defined. An orbital ring of pale buff. Nest on ground ; eggs blue, probably 

 unspotted. 



5. T. pallasi. 



Olivaceous of upper parts like ustulatus. Reddish of upper tail- 

 coverts invading lower part of rump ; no marked difference in 

 tint between the tail and its upper coverts. Flanks and tibiae 

 yellowish olive-brown ; a faint tinge of buff across the breast. 

 Eggs plain. Wing, 3.80; tail, 3.00; cuhnen, .70; tarsus, 1.20. 

 Hah. Eastern Province of LTnited States (only ?) . . vav. jiallasi . 

 Olivaceous of upper parts like swainsoni. Reddish of tail not in- 

 vading the rump, and the tail decidely more castaneous than the 

 upper coverts. Beneath almost pure white ; scarcely auy buff 

 tinge on breast ; flanks and tibiae grayish or plumbeous olive. 

 Size smaller than swainsoni ; bill depressed. AVing, 3.50 ; tail, 

 2.60; culmen, .60; tarsu.s, 1.15. Hab. Western Province of North 

 America, from Kodiak to Cape St. Lucas. East to East Humboldt 

 Mountains ......... var. nanus. 



Olivaceous above, like preceding ; the upper tail-coverts scarcely 

 different from the back. Tail yellowi.sh-rufous. Beneath like 

 nanus. Size larger than swainsoni. Wing, 4.20 ; tail, 3.35 ; cul- 

 men, .80 ; tarsu.s, 1.30. Hah. Rocky ifountains. From Fort 

 Bridger, south (in winter) to Southern Mexico . . var. auduboni. 



Turdus mustelinus, nMELiN. 



THE WOOD THKUSH. 



Turdus mustelinm, Gmelix, Syst. Nat. I, 1788, 817. — ArnuBON, Orn. Biog. 1, 1832, 372, 

 pi. 73. — In. Birds Am. Ill, 1841, 24, pi. 144. — D'Oiiii. La Siigni's Cuba Ois. 1840, 

 49. — Baiup, Birds N. Am. 1858, 212. — Ib. Rev. Am. Birds, 18G4, 13. — ScLATEU, 

 P. Z. S. I806, 294, and 1859, 325. — Jones, Nat. in Bermuda, 26. — Gu.vdlacu, 



