FRONT OF TARSUS. Instep. (104.)

FRUGIV´OROUS, _a._ Fruit-eating.

FULIG´INOUS, _a._ Sooty-brown; dark smoky brown.

FUL´VOUS, _a._ Of a brownish-yellow color.

FUR´CATE, _a._ Forked; forficate.

FUR´CULA or FUR´CULUM, _n._ The merry-thought or wish-bone; the two

clavicles or collar-bones taken together. Also called _os furcatum_.

FUS´COUS, _a._ Of a dark-brown color.

FU´SIFORM, _a._ Spindle-shaped; tapering at each end.

A History of North American Birds; Land Birds; Vol. 3 of 3 · 第 356 / 607 题