GLOSSARY. 



19 



F. 



Facet. A small surface : applied to the 



composite eyes of insects. 

 Facial. Pertaining to the face ; as the 



facial artery, nerve, &c. 



Faeces. Excrement. 



Falcate ; Falcated. Bent or hooked like 



a scythe; curved, with the apex acute. 



Falciform. Long and curved, in the 

 shape of a sickle : a word applied to 

 the mandibles of insects. 



False Legs (of insects). Certain prehen- 

 sile appendages on the lower segments 

 of the body of the larvae. 



Fang. A tusk, or long, sharp-pointed 

 tooth ; a claw or talon. 



Farinose. Covered with a fine mealy 

 powder resembling flour. 



Fascia. A broad transverse stripe, or 

 colored band. A word much used in 

 describing the paintings or markings 

 of insects ; as, Pyramidate fascia, a 

 band which juts out into an angle on 

 one side ; Macular fascia, a band con- 

 sisting of distinct spots ; Articulate fas- 

 cia, a band consisting of contiguous 

 spots ; Dimidiate fascia, a band trav- 

 ersing only half the wing ; Abbreviate 

 fascia, a band traversing less than half 

 the wing ; Sesquialterous fascia, when 

 both wings are traversed by a contin- 

 ued band, and either the primary or 

 secondary by another; Sesquitertious 

 fascia, when a wing or elytrum con- 

 tains a band and the third of a band. 



Fasciated. Filleted, or covered with 

 transverse 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 ab- 

 domen, and transverse at the end. 



Fauces. A cavity behind the tongue, 

 from which the pharynx and larynx 

 proceed. 



Fauna. The animals indigenous or pe- 

 culiar to any country. 



Fawn-colored. A reddish-brown. 



Feathered. Clothed or covered with 



feathers, as a bird. 



Fecifork. The anal fork, on which the 

 larvae of certain insects carry their 

 faeces. 



Fecundated. Rendered prolific; impreg- 

 nated. 



Felim. Pertaining to cats, or to their 



species ; as, the feline race, c. 

 Femoral. Belonging to the thigh. 



Femur. The second joint of the legs in 

 insects. 



Fenestrate. When one or two definite 

 spaces in a Lepidopterous wing are 

 denuded of scales. 



Ferine. Wild; untamed; as lions, ti- 

 gers, and other predatory animals. 



Ferruginous. Of the color of rust ; a yel- 

 lowish brown with some red. 



Festucine. Being of a straw color. 



Fibre. A fine, slender, filiform body, 

 which constitutes a part of the frame 

 of animals. Some are soft and flex- 

 ible, 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, lig- 

 aments, membranes, nerves, veins, ar- 

 teries, and muscles. 



Fibril. An extremely slender fibre, or 

 the branch of a fibre. 



Fibrine. A soft, solid, white, slightly 

 elastic and inodorous substance, con- 

 stituting the principal part of animal 

 muscle ; it exists in the chyle, the 

 blood, &c., and may be regarded as 

 the most abundant constituent of ani- 

 mal bodies. 



Fibrous. Composed or consisting of 

 fibres ; as, &Jibrous body or substance. 



Fibula. The outer and lesser bone of 

 the leg, much smaller than the tibia. 



Filamentous. Consisting of thread-like 

 filaments. 



Filiform. Thread-shaped : slender and 

 of equal thickness. 



Fimbriate; Fimbriated. Fringed ; i. e. 

 when a part is terminated by hairs or 

 bristles 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. 



