150 MANUAL 



Exserted, projecting beyond the rest. 



Exterior, upon the outside. 



F. 



Facial, pertaining to the face. 



Falcate, sharp and sythe-shaped. 



Fasciculate, covered with little bunches or tufts of fine and of- 

 ten stiff hairs or feathers. 



Fauna, the birds (or other animals) of any given region : (dis- 

 tinguished from the flora or plant life.) 



Feathers, true feathers have a shaft (with an after-shaft) and a 

 web : feathers may also be downy, thread-like, hairy, or 

 bristly, (or real bristles). The so-called powder-down of 

 some birds is really a kind of feather. 



Femur, the thigh bone. 



Fibula, the outer leg bone. See Tibia. 



Filaments, small thread-like growths. 



Fissirostres, birds in which the bill is short and has a very 

 wide cleft or gape. (Swallow-like.) 



Flanks, the sides of the rump. 



Flaps, See Dew-laps, fleshy outgrowths. 



Flattened, made flat — longer than wide or wider than long — 

 given a flat surface anywhere [a word very common 

 yet very indefinite.] 



Flexible, bendiug easily. 



Forficcde, deeply forked. 



Fossce, nasal, the grooves in which the nostrils open, often 

 called sulcce (when very long). 



Frontal regions, the forehead. 



Fuliginous, sooty or smoke colored, smoky-brown. 



Fulvous, a tawny yellow color, yellowish-brown. 



Fuscous, a darkish or blackish-brown color. 



Fused, two or more portions of anything firmly united. 



G. 



Gape, the line from the tip of bill to the angle of commissure. 



Globular, round. 



Gonys } the point where the rami of the under mandible join, 



