64 



A GLOSSARY OF TERMS 



EXTER'NUS. Lat. External. 



EX'TINE. fr. lat. extinus, outermost. 

 The outermost membrane of the 

 pollen-grain in plants. 



EXTRA-AXILLARY. Above, or on the 

 outside of the axils in plants. 



EXTRA-EM'BRYO. When the embryo 

 is simply applied to the surface 

 of the albumen or envelopes, it 

 is said to be extra (outside) from 

 its position. 



EXTRA-FOLIA'CKOUS. Away from 

 the leaves, or inserted in a differ- 

 ent place from tliem. 



EXTRA'NEOUS. Not belgnging to a 

 particular thing. 



EXTRA'RIUS. Lat. Outward, for- 

 eign, strange. 



EXTUAVASA'TIOIT. fr. lat. extra, out 

 of; vasa, vessels. Escape of flu- 

 ids from vessels containing them, 



" and the effusion of those fluids 

 into the surrounding textures. 



EXTREMITIES. The limbs ; the legs, 

 arms, wings, fins, &c. 



EXTROR'SE. fr. gr. ex, outwards; 

 trepo, to turn. Applied to the an- 

 thers of plants which face out- 

 wards. 



EXUDA'TIOX. fr. lat. ex, from ; sudo, 

 I sweat. Transpiration. 



Exu'vi*5. fr. lat. exuo, to put off. 

 The sloughs or cast-skins, or shells 

 of animals. 



EXUVIA'TIOX. The process by 

 which crustaceous animals throw 

 off the old shell, and form a new 

 one. 



FA'CET. ) Fr. The diminutive of 



FACET'TK. ^ face. A small face: 



the articular facette of a bone, is a 



small circumscribed portion of its 



surface. 



FACIAL fr. lat. fades, the face. Be- 

 longing or relating to the face. 

 Facial angle, (See ABTGLE). 

 FJEC'ULA. See Fecula. 

 FA'LCATE. ) fr. lat. falx. a scythe 

 FALCIFORM. ) or sickle. Si*kle- 

 snaped. Linear and crooked. 



FALCA'TO-SECTJWD. Bent to one side 



like a sickle. 



FALCO. fr. lat. falx, falcis, a hook, a 

 bill, a scythe. The falcon, so call- 

 ed from the shape of its beak. 

 Falco islandicus. The gerfalcon. 



FAL'CONRY. The art of hunting 

 with birds of prey. 



FALSELY TWO-VALVED. Having two 

 valves which are not of the same 

 nature as other valves. 



FALUNS. Fr. A name of certain ter- 

 tiary strata, abounding in shells, 

 resembling the " crag" of Norfolk. 



FAMILIA'RIS. Lat. Familiar. Bo- 

 longing or relating to a family. 

 Domestic. 



FAMILY. In natural history, the 

 term is applied to an assemblage 

 of several genera which resemble 

 each other in many respects. 



FA'RINA. Lat. Meal. 



FARINA'CEOUS. fr. lat. farina, flour. 

 Full of flour. Of the nature of 

 flour. 



FARIXO'SA. Lat. Meally; belong- 

 ing or relating to rneal. 



FA'SCIA. fr. lat. fastis, a bundle. 

 The aponeurotic expansions of 

 muscles which bind parts toge- 

 ther, are so termed. 



FA'SCITE. Lat. plur. of fascia. 



FA'SCIATKD. In conchology, filleted 

 or covered with bands. 



FA'SCICLE. A parcel or bundle: a 

 cluster. A form of inflorescence 

 resembling a corymb. 



FASci'cuLATE.-Collected in bundles. 



FASCI'CULI. Lat. plur. of fasciculus. 



FASCI'CULUS. Lat. A bundle. 



FASTI GIA'TA. Lat. Sharpened at 

 top like a pyramid. 



FASTI'GIATE. fr. lat. fastigium, the 

 top of anything. A term in bo- 

 tany, to denote that the branches 

 of a tree are appressed to the 

 stem. In conchology, flat and 

 even at top. 



FATHOM. A measure of six feet. 



FATJ'CES. Lat. The swallow. The 

 gaping part, or orifice of a mono 

 petalous flower. 



