FAICO 



125 



FAVOSITES 



Falco, (fal'ko). [The Latin name. ]= Falcon, 

 a bird of prey, belonging to Raptores, in- 

 cludes the fishing eagle, bald buzzard, &c. 



Falcon, (faw'kn). [Faucon, the French name. ] 

 = Falco rufipes: a bird 

 used in sport. 



Falconidae, (fal-kon'i-de). 

 [Falcon, q.v.] = Rap- 

 tores : birds of prey : 

 eagles, vultures, kites, 

 buzzards, <fcc. 



Fall of bodies. Caused 

 by the attraction of the 

 earth. v. Laws of 

 motion. 



Fall poison=Amianthi- 

 um muscsetoxicum. 



Falling stars= Aerolites, 



tubes, (fal-15'- Falcon, 



pi-an). [M. Fallopius.] Oviducts: connect 

 the uterus and ovaries, and convey the ova 

 to the former; in man, fine tubes 4 inches 

 long. 



False bedding=Cross-bedding: in which the 

 minor layei-s are not parallel to the larger. 

 F. keel. v. Keel. F. scor*jpions=Eophrynus. 

 v. Scorpion. 



Falsetto voice, (fawl-set'to). [The Italian 

 word.] Artificial high notes of the voice, 

 produced by tightening"the glottis. 



Faluns, (fa'loon). [The French word.] Beds 

 of sand and marl, containing shells and 

 corals, found in France, and used for manure; 

 belong to Upper Miocene strata. 



Falx. A membrane between the two upper 

 halves of the brain. 



Families of men. v. Man. 



Family, (fam'i-li). [Familia, the Latin word.] 

 1. A sub-division of an order of animals or 

 plants, often used generally for a group of 

 genera having a general resemblance; also 

 used as=order. 2. In chemistry: a family 

 is a group of compounds having a common 

 element or nucleus. Ex. : the alcohol family 

 includes all bodies containing the radicle 

 ethyl. 



Fan. F. pahn=Borassusflabellifovmis. F. tail: 

 a variety of pigeon named from the form of 

 its tail 



Fangs, (fangz). [A.-S. fang, grasp.] Used 

 for pointed teeth generally. 1. The lower 

 parts of teeth, which are set in the jaw. 2. 

 Poison-fangs of serpents: teeth having a 

 groove along which the venom passes. 



Fantees, (fan'tez). An African people. 



Farad, (far'ad). [M. Faraday. ]=107 natural 

 units: the measure of electro-magnet capa- 

 city, v. Electro-magnet units. 



Faraday, (far'a-dii). F.'s icheel: a disc of which 

 a portion is cut out, and which, when made 

 to revolve rapidly, disappears, owing to the 

 image of what is seen remaining on the re- 

 tina. F.'s voltameter: measures the intensity 

 of a galvanic current by the quantity of water 

 decomposed by it in a given time. F. and 

 Melde's figures: regular figures formed by 

 sand or water spread over a vibrating surface. 



Fascines, (fas-senz'). [.The French word,] 



Bundles of twigs or branches used for filling 

 up ditches, and for temporary defences, in 

 warfare; also in engineering works for similar 

 purposes. 



Fascicularia, (fas-si-ku-la'ri-a). [L. fasciculus, 

 little bundle.] Bryozoan animals, remains of 

 which are found in the Coralline Crag. 



Farewell-rock=Millstone grit, because no coal 

 is found beneath it. 



Fashion-timbers: in the framework of the 

 stern of a ship. 



Fast and loose pulley: Several pulleys on one 

 axis; those that are fixed and revolve with 

 it are the fast pulleys; those that are free 

 and can revolve without it are loose. By 

 these, machinery can be stopped and set 

 going while the prime mover continues in 

 motion. 



Fats, (fatz). [The A.-S. word.] Compounds 

 of carbon hydrogen and oxygen, solid or 

 liquid combustible substances, mostly com- 

 pounds of olein, margarin, stearin, &c., 

 which stain paper= Ethers of glycerin: com- 

 pounds of carbon, hydrogen, and oxygen, 

 a primary division of foods. Solid F. of vege- 

 table origin: cocoa-nut oil, nutmeg butter, 

 palm-oil. Solid F. of animal origin: butter, 

 lard, suet, spermaceti, bees'-wax. 



Fata Morgana, (fa'ta mor-ga'na). [Breton, 

 mor, sea; gan, fine woman.]=Sea woman: a 

 reversed image of an object seen in the air; 

 occurs most frequently at sea. 



Father lasher =Cottus bubalis: a fish belong- 

 ing to Acantho- 

 pterygii. 



Fatty acids, (fat'ti). 

 [Fat, q.v.] Acids 

 obtained by the 

 saponification of 

 fats=l. Cnl^n-aOa: 

 the acetic or stearic 



the glycolic series. 



3. CnH 2 nO 2 : the 



oleic series. 4. CuH^n 

 Fauces, (faw'sez). [The 



of F.: the space between the arches of the 



palate. 

 Faujasite, (faw'ja-slt). [M. Faujus de St. 



Fond.] A mineral, chiefly hydrous silicate of 



aluminum. 

 Fault, (fawlt). [Faulte, the French word.] 



Displacement of the strata on one side of a 



fissure. 

 Fauna, (faw'na). [L. Fauns, forest gods.] A 



general term for all the animals of a country. 



cf. Flora. 



Faure's battery,a modification of Bunsen's , q. v. 

 Fauserite, ( faw'ser-it ). 



[ Mr. Fauser. ] " Hy- 



drated sulphate of mag- 

 nesium. 

 Favosites, ( fa - vo'si - 



tez). [L. favus, honey- 

 comb.] Tabulate corals, 



polyps, approximating 



to sponges, of which 



reefs were built in the 



Palaeozoic period. Favose- 



Father-lasher. 

 4: the oxalic series, 

 itinword.] Isthmus 



