numerous or so neglectful of their safety as we find them. A fine example of this bird was brought alive from the Argentine Republic to England by Mr. E. W. Goodlake in 1863, and lived for several years in the Zoological Society's Gardens. 302. GERANOSPIZIAS CÆRULESCENS (Vieill.). (GREY CRANE-HAWK.) +Geranospiza cærulescens+, _Scl. et Salv. Nomencl._ p. 121; _White, P. Z. S._ 1882, p. 623 (Salta). +Geranospizias cærulescens+, _Sharpe, Cat. B._ i. p. 81. _Description._--Above plumbeous, nape and upper tail-coverts slightly mottled with white; wing-feathers black, with a large white spot on the inner webs of the primaries; tail black, with two broad ochraceous white bars and white tip: beneath plumbeous, abdomen and under wing-coverts with irregular white cross bands; bill plumbeous; feet yellow: whole length 16·5 inches, wing 9·5, tail 8·0. _Female_ similar, but not so distinctly coloured, and larger. _Hab._ South America. White obtained an example of this species at Campo Colorado, near Oran, and another on the Upper Uruguay. 303. FALCO PEREGRINUS, Linn. (PEREGRINE FALCON.) +Falco peregrinus+, _Scl. et Salv. Nomencl._ p. 121; _Withington, Ibis_, 1888, p. 470. +Falco communis+, _Sharpe, Cat. B._ i. p. 376. _Description._--Above plumbeous, lighter on the rump, more or less distinctly barred with blackish; head and cheeks blackish: beneath white, tinged with cinnamomeous, abdomen and thighs sparingly traversed by narrow black cross bands; under surface of wings white, regularly banded with ashy black; bill plumbeous; cere yellow; feet yellow, nails black: whole length 20 inches, wing 14·0, tail 6·7. _Female_ similar, but larger. _Hab._ Old and New Worlds.