EELS 



112 



ELATEBIDJE 



Eels, (elz). [Eel, 9.v.]=Mursenidse, q.v. 



Effervescence, (ef-fer-ves'ens). [L. effervesce, I 

 boil up.] The escape of a gas from a liquid. 



Efflorescence, (ef-fl5-res'ens). [L. effloresco, I 

 flourish. ] 1. The superficial or complete con- 

 version of a crystal into a powder, whether 

 amorphous 01 crystalline. 2. The powder so 

 formed. 3. A general term for the blossom- 

 ing of plants. 



Eft. (eft). [Efeta, the A.-S. name.] l.=Newt 

 =Triton: a young tadpole. 2. Land E.= 

 Salamandra: common, in Europe, but un- 

 known in England. 



Efts, (efts). [Eft, q.v.] A general name for 

 land lizards: animals belonging to Batrachia. 



Egeran, (eg'e-ran). [Eger, in Bohemia .]= 

 Vesuvianite. q.v. 



Egg, (eg). [Ag, the A.-S. name.]=Ovura: a 

 cell containing the germ of a new individual. 

 In the case of oviparous animals this cell, 

 enclosed in a shell, is deposited before the 

 birth of the young one; in the case of vivi- 

 parous animals, birth takes place before the 

 expulsion, and the egg has no hard shell. E. 

 apples=Fr\.iii of Solanum melongena. Elec- 

 trical E.: an egg-shaped electric light, ob- 

 tained by passing an electric current throueh 

 an exhausted ellipsoid plassvessel. PoackedE. 

 =0vulumovum. Warty 

 E. = Ovulum verruco- 

 sum: two varieties of 

 the cowry. Sea E. 

 Sea-urchin, q.v. 



Eglantine, ( eg'lan-tm ). 

 [The French name.]= 

 Kweet-briar=Rosarubi- 

 ginosa: a plant belong- 

 ing to Eosacese. ' 



Egret, (e'gret). [Aigrette, =&?>g-=^^^^^g^ 

 the F. word.] l.=Ardea 

 egretta: a small white Egret 



heron. 2. A monkey, having erect hairs on 

 its head, belonging to Macacus. 3. A tuft of 

 feathers or hair. 



Ehrenberg's classification of animals (exclud- 

 ing man) : 



Myeloneura 



Mammalia. 

 Birds. 

 Amphibia. 

 Fishes. 

 Ganglioneura 



Articulata. 

 Mollusca. 

 Tubulata. 

 Racemifera. 



Ehretiaceae, (e-ret-i-a'se-e). [Named after M. 

 D. G. Ehret.]=Ehretiads: herbs, shrubs, and 

 trees, chiefly tropical, with gyrate monopeta- 

 lous flowers, belonging to Echiales. 



Eider-duck, (i'der). [Eider, the German 

 name.]=Somateria mollissima: a large sea- 

 duck, the down of which is very soft and 

 warm. 



Eidograph, ( I'd3-graf ). [Gk. eidos, form ; 

 grapho, I write.] An instrument for repro- 

 ducing drawings. 



Eighth. (at-th)=0ctave: a musical note which 

 is made by half as many, or twice as many, 



vibrations as a given note is the octave of 

 that note, being eight notes lower or hfgher. 



Eimeoan. An Oceanic race. 



Ekeing, (caking). [A.-S. eacan, to increase.] 

 Timber filling up the space between the 

 apron and beam, and between the stern-post 

 and beam, of a ship. 



Elseagnaceae, ( e-le-ag-na'se-S ). [Gk. elaia, 

 olive; agnos, vine.]=:Oleasters; scaly trees 

 and shrubs, with small flowers, belonging to 

 Amentales. 



Elaene, (e-lan). [Gk. elaion, oil.]=C9Hi 8 = 

 Monylene: a liquid hydrocarbon. 



Elaeocarpacese, (el-e-6-kar-pa'se-e). [Gk. elaia, 

 olive ; karpos, fruit. ] = Eleocarps : trees, 

 chiefly Indian, resembling lindens; also con- 

 sidered as belonging to Tiliaceae; named from 

 the fruit resembling an olive. 



Elaeopten, (el-e-op'ten). [Gk. elaion, oil.] The 

 liquid portion of cooled essential oils. 



Elaic acid, (el-a'ik). [Gk. elaion, oil.]=Oleic 

 acid, q.v. 



Elaidic acid, (el-a-id'ik). [Gk. elaion, oil.]= 

 Ci 8 H34O 2 : a solid fatty acid, obtained by 

 action of nitrogen peroxide on oleic acid. 



Elaidin, (el-a-id'in). [Gk. elaion, oil.] A 

 solid fat obtained from oleiu by action of 

 peroxide of nitrogen. 



Elain, (el-a'in). [Gk. elaion, oii.]=Olein, q.v. 



Eland, (e'land).=0reas canna: a large ante- 

 lope of 8. Africa; also 

 called the Cape Elk. 



Elaphomyces, (el-a-fo- 

 nri'sez). [Gk. elaphas, 

 elephant; mykes, mush- 

 room.] Fungi belong- 

 ing to Tuberacese. 



Elapidae, ( e-lap'i-de ). 

 [Elaps, q.v.] A group 

 of poisonous serpents X; 

 belonging to Colubridse. 



Elapotherium, ( e-lap-6- Eland, 



the'ri-um). An extinct mammalian animal. 



Elaps, (e'laps). [The Greek name.] A snake: 

 the type of Elapidae. 



Elasmobranchii, (el-as-ino-brangTci-a). [Gk. 

 elasma, lamina; bragchia, gills.]=Sharks, 

 rays, &c. : highly organised cartilaginous 

 fishes, forming a primary division of Pisces, 

 q.v.; placoid, with fixed, pouch-like gills, a 

 short intestine, and a spiral fold. 



Elasmotherium, ( el-as-mo-the'ri-um ). [Gk. 

 elasma, plate; therion, beast.] An extinct 

 pachydermatous animal, somewhat resembl- 

 ing the rhinoceros. 



Elastic, (e-las'tik). [Elastique, the French 

 word.] E. bitumen = Elaterite, q.v. E. 

 ti5we=Cartilage, q.v. 



Elasticity, (e-las-tis'i-ti). [Elastic, q.v.] Ten- 

 dency of a substance to preserve its original 

 form and size, and to return to them after 

 any small change, as in India-rubber, steel, 

 <fcc. 



Elater, (el'a-ter). [Gk. elater, driver.]=Spiral 

 threads, consisting of long cells with spiral 

 bands. 



Elateridas, (el-a-torl-de). [Elater, q.v.] In- 

 sects forming a division of Coleoptera. LaV' 

 vce <tf E. Wire-worms, q.v, 



