TURDID.E — THE THRUSHES. 7 



3. T. aliciae. Grayish 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. Hah. Eastern Province 

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

 to Costa Rica. West to Missouri River. Cuba. 



i. A conspicxcjus orbital ring of buff. 



4. T. swaiusoni. 



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

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

 7.00; Aving, 3.90; tail, 2.90; culmen, .05; tarsus, 1.10. ffab. 

 Eastern and Middle Provinces of North America. North to 

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

 tains ......... var. sw ainsoni. 



Brownish-olive above, somewhat more rufescent 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. Hob. Pacific Province of United States. 

 Guatemala. ........ var. zistulattts. 



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 ustulaius. Reddish of upper tail- 

 coverts invading 'lower part of rump; no marked difi'erence in 

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

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

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

 Hab. Eastern Province of United States (only ?) . . yav. pallasi. 

 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 any buff 

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

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

 2.60; culmen, .60; tarsu.^ 1.1.5. 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 yellowish-rufous. Beneath like 

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

 men, .80 ; tarsus, 1.30. Hab. Rocky Mountains. From Fort 

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



Turdus mustelinus, Gmelix. 



THE WOOD THBUSH. 



Turdus mustelinus, Gmelin, Syst. Nat. I, 1788, 817. —Audubon, Orn. Biog. I, 1832, 372, 

 pi. 73. — Ib. Birds Am. HI, 1841, 24, pi. 144. — D'Orb. La Sagra's Cuba Ois. 1840, 

 49. — Baird, Birds N. Am. 1858, 212. — Ib. Rev. Am. Birds, 1864, 13. — Sclatek, 

 P. Z. S. 1856, 294, and 1859, 325. — Jones, Xat. iu Bermuda, 26. — Gundlacu, 



