;-':>'() I'liK i;\t>Li iioN 'i'ukokv 



(■<>ll NllllS 



istjuK'i'. (il'ttM- lui\ii>^' 1hh>ii NuriHiuntlotl I'it t», \ tM'V loujl timo 

 with tlu' si\i(io cylivplasiu. 11' tliis woro tlu' itlljinrl til' tui\plunii\is, 

 tluMi )\ii i\ir/i(iiiijr (if iiur/ri would tfiko plact-. anil tluH wt> liml imwlu'rc 

 I'voii iiinoui^' (l\o Idwcsl. rorius nl" lil't', for overvw Iuto IIumo is ii uiiiuii 

 o\' (ho imiiloiir wuh.Mt'fUici' ol' two iiulivithialM, Ihit Mum In hv tho wtiv ! 

 FurlhtT oases of |il(iM(o^iiniy liavc htH'U uhsoi'voil ill uuvuy ol' tl>o liluy- 

 sholKnl ivhi/.ojHuls. A uuiou ol' (Ids kiuti (Io(<n not usually load to any 

 \isililo oousoiiuoiioos, liul in souu> ^'orauiiuH'ora n };Toup ol' youu^' 

 ai\iuuils is (h'\ olojiod within tlio ooll4iodi(>H hy (ho disisiou of (ht» 

 uuoioi and (lio collluidy ; (huH uiult.i|i!ioa( ion roilowM (ho i'uHiou ju.st. 

 as in iiorl'oot. auiphiuiixis, and wo may thorol'oro assuniii (hat thi>ro 

 is a causal oonuoxion hotwoon (lu* (wo. In i\w slinio runj;'i, (oo, 

 t-ho union ol' sc>\oi'a.l amo'ha likt> o(>11h into a uuil(i-nuiil(>at(>d plah 

 uiodiuin is I'ollowod hiti^r hy tho do\ oloimu<nt of uuniorous (>uoa|isulod 

 spoi-os, liu( only ar(or (.lu> jilasniodiuui, which to ho^^iu with Ih nucro- 

 sco|iiciilly Huiall, has j;ro\vn (ii a nia.crosco])ically \ isihio, ^oti(^uln(od 

 mass (.l:'llii(/,iitiii) soMiot.ini(>s a I'oot in t^stcut. In (his caso tla* I'iuij^'Uh, 

 crooiiini;- slowly o\or its roiuulalion of docayin;;' suhslauoo, (akos u|i 

 uourislnnont. from it, and it. is not. possihlo to tell whothor tlu> uuiou 

 ol' tho auuohn* yields any I'ui'thoi' adviuitan'o (liaii that ol' I'acilKid inn' 

 (rho sproadinj;' <i\(>r lai'^'o (UU'von surracos, a.ud (hi'ou^'li this, lalcr, 

 the do\-olo()uiont of la.i'o'(* fruit-hodios. litit iu th(< casi' ol' (ho Koiiuui- 

 nil'iM'a tho plasto^'auiy has oli\ iou.sly a.uotluM' otl'oct, unknown and 

 uiy,Mtoi'iou,M, which a,s yo( no one has i*\ a- lioon a.blo (ro dolino procisoly. 

 W'oi'ds liko ' Hliinmlu.s to j^Towth,' ' st iuudatino' ol' tho ini^talioliHUi,' a.inl 

 <'\'on ' roju\ ('nation,' f;'i\(' no insi^hl, in(.o wha( ha.])ii(>nH, hut tlwiit 

 ,souu'tliin^' hai])])ous, (ha( throuj^'h tho fusion ol' (rwo or uiuri" luii 

 collulai'.s a, sduniluH is (>\oi'l('il, which ros'oa,l,4 itsoll' lati^r iu iniu'i'asod 

 nipidiliy ul' j;Towt]i, wi' nuiy, and indeed nuist assunu', hooaiiso thiw 

 [)roceHS ha.H lioeonu' a. |iei'nianon|. ari'ain;;'euioid. iu ho many luiicollulai' 

 ore;Miisni,M. Ouly \\hai i,s uhoI'uI sur\i\'es, arud (h<> unitiu"' individualH 

 must deii\e some ad\iui(aj;i' I'rom (.ht> in'oeossol' I'uHion, a.ud it roiuiuuH 

 to ho Hoon wliotlior wo can lind out with a.ny olearnoss what, thin 

 ad\'a.nta.[;e nia.y he. 



Till within a. I'ew dowuhis a^o it was holie\(Ml that, in thin |ii'ocosh 

 on(t individual devoured tho otlior, hut this (Nui now uo lono■(^|• he main ■ 

 tained. 11' any one still seriously c.oiisidors thin |ioHHihl(\ Soliaialiun'H 

 oliHorva.tiouH would convince him ol' hJH error, for in 'I'l'lr/idn/i/in'riii in, 

 a ma.rin(\ uiauy-nuelea.t.od |{.hi/o|iod, lii' (iliHi<rv(Ml, on tlu> one hand, 

 tho union ol' two or mor(< a.uiuia,lH, i.i^ |ila,HtoMa,my, a.ud on tho othi'r 

 hand, tho Hwallowinn' a.nd dio'estin;;' of a. siuaJhu' uieuilior ol' tin* MpocioH 

 hy a. hirn'or on(( two procoHseH which a.i'o M.hHolid4tly dill'iM'cnt., I'or iu 



Digitized by Microsoft® 



