. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology, an outline of the structure and classification of birds, and Field ornithology, a manual of collecting, preparing, and preserving birds . Wood Thrush. Analysis of Species and Subspecies. Upper parts not of one color from head to tail. Eggs not spotted. Upper parts tawny, shading to olive on rump. Wood Thrush. (Easter
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. Key to North American birds. Containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland and lower California, with which are incorporated General ornithology, an outline of the structure and classification of birds, and Field ornithology, a manual of collecting, preparing, and preserving birds . Wood Thrush. Analysis of Species and Subspecies. Upper parts not of one color from head to tail. Eggs not spotted. Upper parts tawny, shading to olive on rump. Wood Thrush. (Eastern.) mustelina Upper parts olive, shading to rufous on rump. Hermit Thrushes. Of medium size. (Eastern.) aonnUii-rhka pallasi Of largest size. Rocky Mts aoiuilasc/ikir audubtmi Of smallest size. Pacific coast aunalaschkw Upper parts of one color throughout.Eggs not spotted.. TURDID.E—TURDIN.E: THRUSHES. 253 Upper parts tawny; spots below few, pale, chiefly on jugulum ; no buff eye-ring. Tawny Thrush, or Veery. (Eastern.) fuscescens Upper parts russet-olive ; spots below as before; no buff eye-ring. Willow Thrush. (Western.) . fuscescens salicicola Eggs spotted.Upper parts russet-olive; spots below numerous, invading white breast; a buff eye-ring. Russet-backed Thrush. Pacific coast, northerly . • . nstiiUita Pacific coast, southerly ustulata aniica Upper parts dark pure olive ; spots below as before. A buff eye-ring. Olive-backed Thrush. (Eastern.) vslidala su-ainsoni No buff eye-ring. (Eastern.) Of general distribution. Alices Thrush alicicB Of local distribution. Bickuells Thrush alicke bicknelli H. mustelina. (Lat. vuistelinus, weasel-like; i. e. tawny in color: mustela, a weasel.Figs. 119, 120.) Wood Thrush. Wood Robin. Bellbird. Geraldine. Adult (J 9 :Upper parts, including surface of closed wings, tawny-brown, purest and deepest on head, shad-