FANG. A tusk, or long sharp-pointed tooth ; 



a claw or talon. 

 FARINOSE. Covered with a fixed mealy 



powder resembling flour. 

 FASCIA. A broad transverse stripe, or co- 

 loured band. A word much used in de- 

 scribing the painting or markings of in- 

 sects : as Pyramidate fascia ; a band which 

 juts out into an angle on one side Macu- 

 lar fascia; a band consisting of distinct 

 spots Articulate fascia; a band con- 

 sisting of coTitiguous spots. Dimidiate 

 fascia ; a band traversing only half the 

 w ing Abbreviate fascia ; a band travers- 

 ing less than half the wing. Sesquialte- 

 rous fascia; when both wings are tra- 

 versed by a continued band, and either the 

 primary or secondary by another. Scs- 

 quittrtiaus fascia ; when awing orelytrum 

 contains a band and the third of a band. 

 FASCIATED. Filleted, or covered with trans- 

 verse bands. 

 FASCICLE. FASCICULUS. A small bundle, 



bunch, or tuft. 

 FASCICULATE. When antennae have several 



bundles of hair. 



FASCICULATED. Consisting of little bundles. 

 FASCICULE. A bundle of thick-set hairs 



often converging at the surface. 

 FASTIGIATE. When the base-covers are of 

 equal or greater length than the abdomen, 

 and transverse at the end. 

 FAUCES. A cavity behind the tongue, from 



which the pharynx and larynx proceed. 

 FAUNA. The animals indigenous or pecu- 

 liar to any country. 

 FAWN-COLOURED. A reddish brown. 

 FEATHERED. Clothed or covered with fea- 

 thers, as a bird. 

 FECIFOUK. The anal fork on which the 



larvae of certain insects carry their faces. 

 FECUNDATED. Rendered prolific; impreg- 

 nated. 



FELINE. Pertaining to cats, or to their spe- 

 cies ; as, the feline race, &c. 

 FEMORAL. Belonging to the thigh. 

 FEMUR. The second joint of the legs in 



insects. 



FENESTRATH. When one or two definite 

 spaces in a Lepidopterous wing are denuded 

 of scales. 

 FERINE. Wild ; untamed ; as lions, tigers, 



and other predatory animals. 

 FERRUGINOUS. Of the colour of rust ; a yel- 

 lowish brown with some red. 

 FESTUCINE. Being of a straw colour. . 

 FIBRE. A fine slender filiform body which 

 I constitutes a part of the frame of animals. 

 Some are soft and flexible, others more 

 hard and elastic ; some are nervous and 

 fleshy, while others appear to be composed 

 | of still smaller fibres. They constitute the 

 substance of the bones, cartilages, liga- 

 ments, membranes, nerves, veins, arteries, 

 and muscles. 

 FIBRIL. An extremely slender fibre, or the 



branch of a fibre. 

 FIBRINE. A soft, solid, white, slightly elastic, 

 and inodorous substance, constituting the 

 principal part of animal muscle : it exists 

 in the chyle, the blood, &c. and may be re- 

 garded as the most abundant constituent of 

 animal bodies. 



TIBROUS. Composed or consisting of fibres ; 

 as, a. fibrous body or substance. 

 IBULA. The outer and lesser bone of the 

 leg, much smaller than the tibia, 

 ILAMENTOUS. Consisting of thread-like 

 filaments. 

 FILIFORM. Thread-shaped : slender and of 



equal thickness. 



FIMBRIATE : FIMURIATED. Fringed, i.e. 

 when a part is terminated by hairs or bris- 

 tles that are not parallel. 

 FIN-FOOTED. Palmated ; having feet with 



toes connected by a membrane. 

 FINLET. A very small fin or process to assist 



a fish's motion. 



FISSIPAROUS. Capable of being multiplied 

 by the voluntary cleavage of the individual 

 into two parts. 

 FISSIPED. Having the toes unconnected by 



a membrane. 



FISSIROSTRAL. Belonging to the Ftesirostrea, 

 a family of passerine .birds of which the 

 beak is short, broad, slightly hooked, and 

 the opening of the mouth very wide. This 

 family comprises the swallows and goat- 

 suckers. 



FISSURE. A little cleft, or narrow chasm. 

 FISTULA. The intermediate subquadrangu- 

 lar pipe, in insects, formed by the union 

 of the two branches of the antlia, which 

 conveys the nectar to the pharynx. 

 FLABKLLATE. When the antennae on one 

 side send forth from the joints, except 

 those at the base, long flat flexile branches, 

 which open and shut like the sticks of a 

 fan. 



FLABELLIFORM. Fan-shaped. 

 FLACCID. Soft and weak ; hanging down 



by its own weight. 

 FLAGELLUM. An appendix to the legs of 



Crustacea, resembling a whip. 

 FLAME-COLOUR. Of u bright yellow colour. 

 FLAMNIFEROUS. Producing flame. 

 FLEDGED. Furnished with feathers, as a 



bird. 

 FLEECED. Furnished with a fleece ; as, a 



sheep is weliyfceeed. 

 FLEXILE. FLEXIBLE. Yielding to pressure ; 



that may be easily bent. 

 FLEXOR (muscle). A muscle whose office is 

 to bend the part to which it belongs : it is 

 opposed to extensor. 



FLEXUOUS. Bending j changing its course 

 in a curved direction ; with angles gently 

 winding. 



FLIRT. A sudden jerk ; a darting motion. 

 FLOCCULATE. When the posterior coxae are 



distinguished by a curling lock of hair. 

 FLOCCULENT. Coalescing and adhering in 



small flakes. 



FLUSHED. Suddenly aroused and on the 

 wing ; as a covey of partridges when sur- 

 prised. 

 FLUVIATILE. Of or belonging to rivers, or 



to fresh water ; living in fresh water. 



FODDER. Dry food for cattle. 



FCETUS. The young of viviparous animals 



in the womb, and of oviparous in the egg, 



after it is perfectly formed ; before which 



time it is called an embryo. 



FOLIACEOUS. Leaf-like ; shaped or arranged 



like leaves ; scarcely thicker than a leaf. 

 FOLIATED. Bent into laminae ; composed of 



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