A 
SYNOPSIS 
OF THE 
ACEIPITRES 
(DIURNAL BIRDS OF PREY) 
Pie eel 
Sub. Fam. VII. FALCONIN, 
Bill short, curved from base, with one distinct 
tooth near end of cutting edge of upper mandible ; 
nostrils usually circular with central tubercle ; 
feet strong ; tibia much longer than tarsus ; toes 
long, talons curved and sharp; tarsus short, 
usually reticulated ; wings long and pointed. 
Gen. LXXXIX. MICROHIERAX Sharpe (1874). 
Type Falco cerulescens L. 
Nostrils perpendicular ovals, without central 
tubercle ; tarsus covered with broad scales in 
front and feathered nearly half way down; 
wings proportionately shorter than in Falco. 
Size very small (length under 6 in.). 
