[52]“Birds of South Africa,” p. 148.
[53]“Notes on the Birds of Damara Land,” by the late C. J. Andersson; arranged and edited by J. H. Gurney, 1872, p. 129.
[54]See “The Field” for May 27th, June 8th, and June 24th, 1871.
[55]“Zoologist,” 1863, p. 8444.
[56]“Zoologist,” 1863, p. 8841.
[57]Rodd, “List of the Birds of Cornwall,” 2nd ed. p. 11.
[58]Cf. Hume, “Journ. Asiatic Soc. Bengal,” 1870, p. 116, and Blanford, “Ibis,” 1870, p. 534.
[59]See his “Ornithology of the Straits of Gibraltar,” p. 224.
[60]“Mag. Nat. Hist.,” vol. iv. p. 413.
[61]“Nat. Hist. Ireland” (Birds), i. p. 377.