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Show 1871-] MR. R. SWINHOE ON THE BIRDS OF CHINA. 363 191. MOTACILLA ALBOIDES, Hodgs., var. 1. FELIX. Motacilla luzoniensis, Ibis, 1860, pp.55, 429, 1861, p. 35, 1862, p. 259, 1863, p. 308 ; P. Z. S. 1863, p. 274. Motacilla felix, Swinh. P.Z.S. 1870, p. 121, fig. 1. Like the Indian black-backed M. alboides (leucopsis, Gould, luzoniensis, auct.), but with the pectoral black, in summer plumage, advancing higher, to within half an inch of the lower mandible. Southern China and Formosa. Var. 2. SECHUENENSIS, Swinh. P. Z. S. 1870, p. 122, fig. 2. The pectoral black in summer reaching to the lower mandible. Szechuen (W. China). 192. MOTACILLA PARADOXA, V. Schrenck, Amurland, Vog. p. 341, t. xi. fig. 2. The pectoral black forming a large round patch on the breast. Mongolia. Forwarded to Paris by Pere David. 193. MOTACILLA HODGSONI, G. R. Gray; Blyth, Ibis, 1865, p. 49. Motacilla francisci, Swinh. P. Z. S. 1870, p. 123; Ibis, 1870, p. 345. Like M. personata, Gould, of India, but with the back black instead of grey. Hainan ; Szechuen, extending to Nepal. 194. MOTACILLA FRONTATA, Swinh. P.Z.S. 1870, p. 129. Motacilla, sp. !, Ibis, 1867, p. 390. Amoy in winter. 195. MOTACILLA BAICALENSIS, n. sp. Motacilla dukhunensis (!), P. Z. S. 1870, p. 130. The representative in Eastern Asia of M. alba, L., of Europe ; with clearer plumage, smaller bill, wing of a lighter brown, with much more white, especially on the wing-coverts. In full summer plumage the pectoral black contracts on the throat, and falls short of the chin. It has a very close ally in M. dukhunensis, Sykes, of India, but may be distinguished from that by its larger bill, greater amount of white on the wing-coverts; and in nuptial dress by the form of the pectoral patch. Occasional specimens from Trans-Baikal have a black line uniting the back of the eye with the black of the nape, but otherwise similar to the typical bird. This I would propose to distinguish as var. temporalis. It will probably be the bird procured in Lombardy in the collection of Count Turati of Milan (see Baron de Selys-Longchamps in Ibis, 1870, p. 451). Numerous skins of the Baikal Wagtail have been received through Madame Verdey of Paris ; and it is doubtless the species observed bv me on the Upper Yangtsze (P. Z. S. 1870, p. 130). |