Krimnochelidon obsoleta Cabanis.
(Cotyle obsoleta Cabanis, Mus. Hein., vol. i, p. 50, 1851 : North-East Africa.
Cotyle cahirica A. Brehm, Jour, fur Orn., 1853, p. 452.)
* Ptyonoprogne Reichenbach, 1850, is a composite indeterminate set of figures. Gray's type designation was made from Reichenbach's MS., and therefore is -the only authentic clue.
" Biblis" Lesson, Compl. de Buffon, vol. viii, p. 495, 1837, is vernacular only: Gray, List Gen. Birds, 2nd ed., 1841: not Biblis Fabricius, 1807.