. Birds. Birds. 44 COEVID^. on tbe score of size, and I believe that no one now considers them separable. , Distribution. Kashmir and the whole of the Himalayas as far as Bhutan. The jange extends to Europe and Abyssinia on one side, and to China on tbe other. In Kashmir Biddulph informs us that Choughs are common at low elevations in winter, but in summer they keep entirely to the mountains. Stoliczka states that in Chini 'in summer is found only at elevations above 11,000 feet, and in Spiti above 13,000 feet. Blanford observed it in Sikhim from 9000 to 16,000 feet. Habits, 4'o. Man
. Birds. Birds. 44 COEVID^. on tbe score of size, and I believe that no one now considers them separable. , Distribution. Kashmir and the whole of the Himalayas as far as Bhutan. The jange extends to Europe and Abyssinia on one side, and to China on tbe other. In Kashmir Biddulph informs us that Choughs are common at low elevations in winter, but in summer they keep entirely to the mountains. Stoliczka states that in Chini 'in summer is found only at elevations above 11,000 feet, and in Spiti above 13,000 feet. Blanford observed it in Sikhim from 9000 to 16,000 feet. Habits, 4'o. Mandelli obtained the feggs of this bird from Chumbi in Tibet. They were taken on the 8th May from a nest under the eaves of a high wooden house. Hume describes them as white, spotted and streaked with yellowish brown and purplish grey. One egg measured 1-74 by 1*2, Genus PYERHOCORAX, VieiU., 1816. Pyrrhoeorax differs from Oraeulus in having a much shorter and a much stouter bill, and the lower mandible not nearly so much feathered at the base as the upper one. The structure of the two genera is otherwise quite the same, and they do not differ in habits, except that the Tellow-bUled Chough appears to be a tame and fearless bird, taking the place of the Common Crow in parts of Fig. 19.—Head of P. alpirms. 30. Pyrrhocorax alpinus. The Yellow-billed Chough. Corvus pyrrhocorax, Linn. Syst. Nat. i, p. 158. Pyrrhocorax alpinus, Vieill. Nouv. Diet, illist. Nat. vi, p. 668 (1816) Blyth, Cat. p. 00; Horsf. 8f M. Cat. ii, p. 549; Jerd. B. I. ii, p. 319 Stolicxha, J. A. 8. B. xxxvii, pt. ii, p. 56; Scully, S. F. iv, p. 162 Sharpe, Cat. B. M. iii, p. 148: Hvme, Cat. no. 680: Biddulph, Ibis, 1881, p. 78. r , , , r , , Fregilus pyrrhooorax (lAnn.'), Blanford, J. A. 8. B. xli, pt. ii, p. 70. Pyrrhocorax forsythi, Stoli(%ka, 8. F. ii, p. 462 (1874). The Alpine Chough, Jerd. Coloration. The whole plumage black with a slight gloss; the wings and tail very Please note that these
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