. The geographical distribution of the family Charadriidae, or the plovers, sandpipers, snipes, and their allies . d in immature plumage. In the following key no attemptis made to discriminate between the two local races or subspecies of C. bicinctus. One ofthese is only a pale form, and the other is little else than a dwarf race of the typicalspecies. Hind head slate-grey. gallicus < somalensis ^ rufiis senegalensis •coromandelicusbicinctus • . Upper tail-coverts white . < cinctllS • • • Inner primaries chestnutbuff. • Axillaries deep black. Axillaries
. The geographical distribution of the family Charadriidae, or the plovers, sandpipers, snipes, and their allies . d in immature plumage. In the following key no attemptis made to discriminate between the two local races or subspecies of C. bicinctus. One ofthese is only a pale form, and the other is little else than a dwarf race of the typicalspecies. Hind head slate-grey. gallicus < somalensis ^ rufiis senegalensis •coromandelicusbicinctus • . Upper tail-coverts white . < cinctllS • • • Inner primaries chestnutbuff. • Axillaries deep black. Axillaries greyish buff. Axillaries dark grey. Largeblack patch on belly. White on secondaries confinedto a narrow margin. Fea-r titers of upper parts ivithpaleJ margins. 1 1 White patches near ends ofi primaries. Of the characters in italics the first two are only found in adult birds, and the last isfound in young in first plumage of all the species. The key is, however, complete withoutany of these characters. CUESOEIUS. 235 *#* Subc/eneric group Cursorii: with no pectoral bands. Central Secondary C. chalcopterus. C. gallicus. CURSORIUS GALLICUS. CREAM- COL 0 URLJD CO URSER. Cursorius axillaribus subalaribusque nigris. Diagnosis. A Russian ornithologist (Zaroudnoi, Bull. Soc. Imp. Nat. Mosc. lxi. p. 327) describes a Variations. Courser from Akhal Tekeh, in the basin of the Murgab River on the Persian frontiers of Turkestan, as Cursorius isabellinus, var. bogolubovi. He says it is larger than our bird, and differs in the colour of its under wing-coverts; but he does not say how it differs, nor does he give any dimensions. Examples from India and Africa present no differences of any kind. Pluvialis mormellus flavescens, Gerini, Orn. Meth. Dig. iv. p. 69 (1773).Charadrius cursor, Latham, Gen. Syn. Suppl. i. p. 293 (1787).Cliaradrius gallicus, Gmelin, Si/st. Nat. i. p. 692 (1788).Cursorius europseus, Latham, Index Orn. ii. p. 751 (1790). Synonymy. 2h 2 236 CUKSORIUS. C
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