POLYBOROIDES TYPICUS.— Smith. 
Aves. — Plates LXXXI. (Adult Female.) 
P. capite, cervice, pectore interscapuliisque cinereis, ferrugineo-tinctis, his lineis rubro-brunnois ver- 
miculatis ; dorso ventreque fasciolis albis nigro-brunneisque' fasciatis ; plumis scapnlaribus maculis 
virido-nigris notatis ; cauda nigro-brunnei purpureo-tincta, versus apicem fascia alba trausversa, 
versus basin fasciolis duabus aut tribus irregularibus ejusdem coloris ; tarsis compressis reticulatis ; 
capitis lateribus nudis ; oculis fiavis. 
Longitudo e rostri apice ad basin caudse 14 unc . ; caudte 16 unc. 
Falco Gymnogenys, Temm. — PI. col. 307. 
Poyyboroides typicus, Smith. — South African Quarterly Journal, March, 1830. 
Gymnogenys Madagascariensis, Less. — Traite d’Ornitli. Paris, Nov. 1830. 
Colour. — The head, neck, breast, interscapulars, scapulars and lesser wing- 
coverts, rusty pearl grey, the three last vermiculated transversely with deli- 
cate reddish brown lines and several of the scapulars variegated beside near 
their tip with a large greenish black blotch. The back, upper tail coverts, 
belly, vent, under tail coverts and thighs alternately barred white and liver- 
brown, the bars transverse and narrow, and each of the white ones has a fine 
prolongation, following in the course of the shaft, directed towards the point of 
the feathers. The primary and secondary quill coverts rusty pearl-grey each 
with an irregular greenish black blotch towards the point most distinct on the 
outer vane, their tips white. The primary quill feathers deep liver-brown 
with either a purple or greenish gloss according to the light in which they 
are observed, and the tips of all or only part of them white ; the secondaries 
towards quills pearl-grey with the inner vanes vermiculated with brownish 
red, towards the tips they are greenish black, and the tips themselves are 
white margined faintly with yellowish brown. Tail feathers the same colour 
as the primary quill feathers, and each is crossed towards the tip with a 
broad white bar, and towards the base with two or three narrow irregular ones, 
the inner vanes besides are variegated with oblique irregular white lines ; the 
broad white bar towards the tip is freely variegated with numerous liver-brown 
