(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.