82 FALCOSID^. 



indistinct subterminal bar of blackish ; under wing-coverts slaty 

 blue, with irregular white cross markings ; quills black, the secon- 

 daries slatj' blue like the back, the first five primaries with a large 

 white spot on the inner web, becoming obsoleta on the fifth ; tail 

 ochraceous, crossed with two broad bands of black, and mottled on 

 outer web with greyish ; on the middle tail-feather the interspaces 

 white mottled with grey ; bill bluish, the culmen black ; legs and 

 feet red; iris red. Total length 16-5 inches, culmen 0-8, wing 9-7, 

 tail 8, tarsus 2-8. (il/«.s-. Liujd.) 



Female (not quite adult, fig. in PL Col. 91). Similar to male but 

 barred with whitish on underparts ; sides of face and throat whitish, 

 streaked with slaty blue ; tail ochre, with three black bands, the 

 lower one imperfect, the middle feathers fresh moulted, and, as in 

 the old male, having the interspaces white, mottled with ashy grey. 

 Total length 20-5 inches, wing 12-9, tail lU-2, tarsus 3-8. (Mus. Lugd.) 



Younrj. Upper surface pale bluish ash-colour, with remains of 

 white transverse barring on the crown, sides of face, and lower back ; 

 upper surface of wing crossed with numerous white transverse bars, 

 reduced to whitish vermiculations on the secondaries, which are also 

 rather broadly tipped with white ; quills black, with ashy grey cross 

 bars, slightly mottled with white on inner web ; lower surface of 

 quills black, primaries barred and secondaries vermiciilated with 

 white on inner web ; tail ochraceous fawn, tipped with ashy white 

 and crossed with two broad bands of black, the centre feathers 

 having remains of a third and basal band, the median band not 

 continuous on the two outer feathers ; throat whitish, mottled with 

 ashy grey ; rest of under surface ashy grey, transversely banded 

 with white, the bars very broad on the flanks and narrower on the 

 thighs. 



Hab. The same as that of the genus as regards South America only. 



a. c? ad. St. Island of Pima. G. Barclay, Esq. [P.]. 



h. Vix ad. st. Buenos Ayres. Purchased. 



c. 2 juv. St. Bolivia. Mr. Brydges [C.]. 



d. (5' JUV. St. S.America. Purchased. 



2. Geranospizias niger. 



Ischnosceles niger, Du Bus, Bull. Acad. Roy. Bru.v. xiv. p. 102 (1847) ; 



id. Esq. Orn. pi. 16 (1848) ; StricM. Orn. Syn. p. 125 (18oo). 

 Geranospiza nigra, Gray, Gen. B. p. 28 (1849) ; Bp. Consp. i. p. 30 



(1850). 

 Ichnoscelis aterrimus, Licht. Kotnenci Av. p. 4 (1854). 

 Geranospiza gracilis, 6'cl. P. Z. S. 1856, p. 284. 

 Geranospiza cferulescens, Scl. Sf Salv. Ibis, 1859, p. 218. 



Adidt. Everywhere slaty black, the remains of narrow white bars 

 visible only on the under wing-coverts and thigh-feathers ; the under 

 tail-coverts buff at the base and tips ; quills slaty black, the white 

 bar on the lower surface so conspicuous in the young stage reduced 

 to a large spot of white on the seven outer primaries, diminishing 

 gradually in size towards the innermost of these ; tail buff', crossed 

 with two broad bands of black, the buft-coloured median bar shaded 



