It 



I 







L.-poisonirv 



the 



:. IIS 



lis, 



. 



the 



n which 



L. -green. 





; thin ; 



L.-faced ; a thin fai 



edition 

 ■ fat <>r flesh. 



und : to 



Mania. 

 ■ network 



may be 



\ material 



lethods. 



■ 

 nd lirm- 

 from the 

 ■■ fine 



I 



igih 

 ng it 



fhers 



hair 



I E( I UAL 



sheep-skin rugs, etc., as well as light calf-kid 



ather, are always alum tanned. The glove- 



leather thus obtained has softness and considerable 



ngth, but is not thoroughly watei resistant. Parch- 



■ : the first of these is prepared from 



sheep and goats, and the second from the 



- of calves. The skins are washed, limed, un- 



haired, and fleshed, and then stretched thoroughly. 



They are then again well-scraped and rubbed with 



Ull n d allowed to dry on a frame in the 



shade, eare being taken to avoid sunshine or frost. Very 



tine vellum- are prepared with the finest pumice-stone. 



. a valuable side product of the leather indus- 



li i- essentially an emulsion of oxidized fish-oil, 



luced by soluble albuminoids. It is used largely 



urrying purposes. L. -brown. Same as Pheny- 



m. L.-wood. See Dirca palustris. 



Leathery Ueth'-et I [ME.,Mw, leather]. Resem 



bling leather; applied to thickened arteries, to various 



tough tissues in the body, and to the liver, spleen, 



or hi 

 Leaven {leiZ-n) \levare, to raise]. A name given to 

 several i! ferments belonging to the class of 



omyces, of which the culture known as "sour 

 dough " is a common example. 

 Leban, Leben (lefi'-an, leb'-en) [Ar., leban\ A 

 variety of f< I milk of the Arabs. It is made 



by adding some of the fermented milk of the previous 

 day to the fresh milk as soon as it is brought in from 

 the milking. U is a slightly acid fluid of the consist- 

 ence of cream, with small, flaky curds, and with the 

 taste of buttermilk. It is easily digested, and hence is 

 suitable for invalids. It corresponds to the "Mafeoott" 

 of the Turks. 

 Leber's Disease. Congenital malformation of the 

 optic nerve, with atrophy. Hereditary optic atrophy. 

 See Disease's, Tabic of. 

 Lecat's Gulf. The dilated bulbous portion of the urethra. 

 Lecheguana {la-cha-gwan'-ati) [Port.]. A kind of 

 poisonous hoi lected in S. America from flowers 



of the genera Paullinia and Serjania. It produces 

 hilarity, followed by heavy narcotic slumber, and later 

 by melancholic depression. I not". 

 Lechopyra {lek-op' -ir-ah) [/f.V"> a lying-in woman; 



nvp, tire, fever]. Puen)eral fever. 

 Lecithigenous (les-itk-ij' -en-u i ['/imdoq, yolk; yev- 



. to beget]. Producing lecithin. 

 Lecithin {les' -ith-iri) [At/atfoc, yolk of egg], C^Hjq- 

 NfP( >,,. \ complex nitrogenous fatty substance occur- 

 ring widely spread throughout the animal body. It 

 i- found in the blood, bile-, and serous fluids, as well 

 in the brain, nerves, yolk of egg, semen, pus, and 

 white blood-corpuscles. It is a colorless, slightly 

 substance, readil) soluble in cold, and very 

 much so in hot alcohol. It -wells up in water, and 

 throws out curling filamentous processes at the same 

 time. It i decomposed. The lecithins, as a 



-. form a group of substances the type of which is 

 normal lecithin. 

 Lecithoid [les' -ith-oid) [>>kiHoc, yolk; eldog, like]. 



mbling lecithin. 

 Lecithophore [les r -ith-o-for) [Xiiadog, yolk; ipopelv, to 

 u I. \ layer of ((.lis in the ovum, constituting the 

 ' 'ion cavity. 

 Lecithus (/ ilk]. The egg-yolk. 



Lecithymen (les-itk-i' '-men) [teiadog, yolk ; vfifyv, mem- 

 brane], 'ihi' vitelline membrane. 

 Leclanche Cell. See Cell. 

 Lee ,.,7,'j, penis]. The penis. 



Lectual {lek'-tu-al) [L., lectus, a bed]. Pertaining to 

 a bed or i ouch. L. Disease, a disease that confines 

 to bed. 



