GLOSSAEY OF TECHNICAL TERMS. 



79 



Flax-flower Blue, n. A delicate light purplish blue color. (French 

 blue + white.) (Plate IX. fig. 14.) 



Flesh-color (L. car'neus; incarna'tus) , n. A pinkish color, like that 

 observable in the cheeks of a person of fair complexion ; carnation. 

 (Scarlet-vermilion + white.) (Plate VII. fig. 18.) 



Floc'culent (L.floccula'tus), a. In descriptive Ornithology, pertainiug to 

 the down of newly hatched or unfledged youug birds. 



Floc'cus (L.), n. The down peculiar to unfledged or newly hatched 

 young birds ; in piilopcedic birds it covers the general surface and is 

 unconnected with the future plumage, while in psilopcedic birds it 

 sprouts only from the undeveloped feathers, to the tips of which 

 it is often seen clinging when the latter are considerably grown. 



Flu'viatile (L.fluvia'tilis), a. Pertaining to rivers. 



Fore'head, ( (L from), n. Fore part of the top of the head, from the 



Front, I base of the bill to the vertex, or crown. (Plate XL ) 



Fore'-neck (L. gut'tur), n. A rather indefinite and arbitrary term, 

 variously applied, but usually referring to the lower throat and 

 jugulum, though not infrequently to the whole of the space included 

 by the chin, throat, and jugulum. In long-necked birds only does 

 the term become of definite application. (See note facing plate XL) 



For'ficate (L. forfica'tus), a. Deeply forked, as the tail of a Kite. 



Form (L. for' mis), n. In a special sense, a sort of non-committal term 

 frequently used by modern writers to designate what is of doubtful 

 rank. The term " form " is thus used for what may prove to be 

 a species, or may be only a race, but as to the rank of which the 

 author is in doubt. 



Fos'sa (L. ; ]A.fos'sce), n. A ditch or groove. In descriptive Ornithology, 

 used chiefly in the plural, to denote the depressions in which the 

 nostrils are placed. 



Fosso'rial, a. Digging into the earth for a habitation. (The Burrowing 

 Owl, Speotijto cunicularia, is afossorial bird.) 



Fos'ter-parent, n. A bird which has reared the young of a parasitic 

 species. 



Fos'ter-young, n. The young of a parasitic species which has been 

 reared in the nest of another bird. 



Free, a. Said of a leg with the tibia unconfined within the skin of the 

 body. 



French Blue, n. A very rich blue color, deeper than ultramarine. 

 (French blue.) (Plate IX. fig. 6.) 



French Gray, n. A fine light bluish gray color, darker than pearl-gray, 

 lighter and bluer than cinereous. (Black -f- intense blue -+- smalt- 

 blue + white.) (Plate II. fig. 17.) 



French Green, n. A very pure rich green color; the typical green. 

 (Italian ultramarine -f- light cadmium.) (Plate X. fig. 19.) 



Fre'num (L.), n. A bridle or marking about the head resembling or 

 recalling a bridle. 



