I:T la SI(.r\IFIC\TI()N l)i: i;Oi:ilF. 2.-»!) 



II ,rss(»rl rh.iiviiH'Ml do K.iil <■,' (|Mi piVrnlc, (|ii.. f,, ^wul mlniclliv 



(•(' |)riiici|)c iii.'iiH" pour (•<■ <|iii (onrcnir ruMiC (.n .iiicii. i;(niC i.Vsl |);is idoil- 

 li,,,H' (l;uis l<«s (Inrrscs .lasses .hi rri-iic ,'iiiiin;il; iiims .I.nis loni (nif il ,.\isl(' 



>MH' |MKio (oiisl; , (|ni |kiM..<iI sr lonnc dc In iiir in.niinr , pirseul.. 



(•(>iisl;mim<Mil l(-s mciiics cninclrn's el l;> iKrmc si-iiili<-;iiiot,. (;,.||,. ,)aiii,.^ 

 (.oininiinc a lous Ics (nils, csl Ir -.Mine, (■.■sl-n-diiv la ,c||„|,. |,n.loi»l,isiiia- 

 li,,,,,. a imNaii (^1 a iHiclrclr, .|(i.'j-ai aj>|K-ln. rvllnlr-n;,f. 



Lc Nil(>lhis (If PdMif sc (•(.iislilKc (l(> (|('(i\ clcii Is, (l(ml Tmi pioloplas- 



,„ali(Hie (>sl coiislaiil, loiil aiissi Men (|iic la (cll.ilc doiil il loniic Ic cori.s; 

 |';,ulr(" iniliilira|)|)('lr dndoplasiiH", .>sl ("ssciiUVIIniinil saiiahic par sa ( .ui- 

 sliliilHHi (lantol (Tllidaiir, lai.K')! noii cdhdaiir ) , par scs rapporls axcc W 



proloplasiiic, cidiii par s .ii-iii.> ,>| so (.dc dc l(H'iiiali()ii. |>irs(pu' Kiii- 



j„Mis d cxisK- inais il p(>Ml (■.'pciidaiil iiiaiKpicr (Oiiipl(' iciil coinilic cVsi [c 



cas chc/ If Ciirii/hiiHis r/tyaiis. La (•oiislilnlidM dii ^il(•lllls \ari(' done Itcaii- 

 (.(.iip, (■( (Ml pcMl v.u diiT aulaiU d(-s iiHMidiiaii.-s (l.> \\ru(. TimlM \\vu\' pir- 



scnlc mii(|iicni(Mi (- iiifuihiaiKM ilclliiic; (raiiiirs lois, mi cliorioii ; (raiilics 



loiscncorc, iiiic iil.raiic xilcllinc el mi clioiioii a la lois. 



|);ms loiil (nilCxisIc d • mi o,>ni„> |,;„|„„| idcmi.pi,.; „i,iis, cii dehors 



(III i-criiH", il evfsic dans r.niC (raiilirs parlies (pii \arieiil eiiomiemeiil (run 

 „Md' a nil aiilre. I)e sorle (pie, si Ton peiil dire ipie le L^criiie de r.eiif esl ideu- 

 |i,|lie pailoul, il esl eoniplelcineiil iiiexael de eoiisid.Ver To'iif coiiiiiie eoiisli- 

 liK' (le la ineiiic maiii('Tc dans I es les classes du i(Wiie animal. 



CIIAPITHK III. 



liTllDK COMPAIiATIVK DICS I'liK.MIKItS PIIKNOAIKMIS KiMIMt V(»\N AlltHS. 



I,;, disparili.Hi (le la x.'sieiile -ermiiialive esl i.('ii('raleiiieiil eoiisideree 

 •omnie le pirmier pli<'iiom(Mie (pii s\i.t )lil dans l^ri.r (ee le. 



,";„T(Mnplil. iiid('pendamiueiil de la leeoiidalion el (pie, le pins sonseiil, r,euf 



vsKlc'Ja d.'ponrvn de la \(>si«iile, ai neiil on il suliil le eoiilael des sper- 



nalozoTdes. \'(m IJaer el \\'ai>nei' roiil recoiiiin cliez les oiscanx; pen do loinps 



