lOXIMIIlllVIION'r STATION MIIMJOTINS. 



4«r> 



ri<Mih-jili/,!i(i<»ii, :iimI (licii «l<'ci'<'iiH<'K v«'ry hIowIv willi K(r;iiii II, \vlii!(i 

 Sh-;iiii IV |»i-'i)V<'H (<> Ik' iiiorc srriKil iv<'. 



Tlic coiidil ions <»!' IIick*' five s<'ri«'S <<)rrcH|)oii(l Jiir^riy i<» I he coinli- 

 lioiiK wliicli hiK'hmx cliosr lor his (|('l('i'tiiiri;il ions of lln^ "jiclivil.y" (p. 

 'A). His <liil;i, ciinnol Im- coinicncd wjlh llicsc howi'VCf, since he |);ii(| 

 no jill<'n(i«»n ((» llie (inic clerncnl. His culhircH wi'i'f! <;iiri<'<| on for 

 scvcimI weeks Ix-rinc (Iw liiKil ;i(i<l vvjih «l<'U*i'niinr(l. 



The };<'n«'r;il conclnsionH Ironi Ihrsc cxiKM-inicnls ni-c lii;il ohi cullurcH 

 (»r !;i((ir l»;M(eri;i Ici-nM-nl ;i;4iiin, if (he cMiise ol Ihc I'chirdnl ion, (li<i 

 ;ici<l, is removed. The nniotnif of ;m id lornie<| nnevv is less nUcr vmcU 

 neni r;ili/,;ilioti ;itid (here is soon ;i poini rejiehed where (Ikc ;nid forni;!. 

 lion ee;ises. 'i'liis pninl \;iries willi (he dilFerenl sli'nins, N(). II i'e;i(h 

 in;^ (he liniil .••('(er h;i\in^ I'ornied ;i (>ol:il ol' :iI)omI 'M\U ' ;ici«l, while 

 No. IV s(op|M(l :ir(«»i' lisiviii^ formed ;il(<»^e(lM*i' :il>on( li(M) '. Anodier 

 did'ei'enee l)e(we<ii (hes<^ lw«) s( ruins is (li;i( (he resis(!iti( SIrnin II show 

 ed :in inere;ise of lt;ie(eri;i ;ir(er nen( r;ili/,;i ( i<»n whiht S(r;iin IV showed 

 :i deere;ise from (he sl;ir(. The I'ermenlin^' e;i|»;uM(y is lowei- in (h(!He Mvi; 

 exi)ei'imenls (Inin in ;i I'r-esh enl( iir(^ ;ind » <)n I iniioiisl v decreasing, I'nHlcr 

 widi l'.:i«(. FV llmn willi l'.:ie(. I I. 



niCfMCNKKA'rioN Ol" oi-n mii.k ciM/ruuKS. 



Anollier prohjem deserves ;i((en(ion in eontieelio/i widi (Inr ji^cin^ 

 of hielie eiiKiires, njimely (he dej»('ner;i(ion of s(jir(er'S hy ;i;^<'. 11 is 

 :in old e.xpei-ienee oC l»iil (er niMkers (li;il H|jirl<*rK U>w. IheJi' ollh'icuiey 

 \>y lonp; shindin;;. Unless (ln*y ;ir(» I r-insl'erred d;iily, (hey Meidily bul 

 slowly. I( is well l<ii(»wn, (,oo, (li:i( milk eiiKiires (d' lUicI . laclis uc/kU 

 die iMpidly, :ind (li;i( l;il>»ji;i(ory <iil(iii-es ol' (his oi-^;;inism ciin Ixt kepi 

 (►nly by ('(miI iniions lr';ins|tl;in( int» or by i'efrij;(M'ji( ion. App;ireii( ly, (In* 

 proloiif^etl :ie(ioii (d' (he i;ii lie :ii'id li:is some iin I'll vor:iblit inlliM'tiee njion 

 «er(;iin ecrll riinelioiis. In Hie IVdlowin^ ex per-inien(s, i( will be, shown 

 (h:i( bodi die lermenlinj^ jiower ;ind (Im' reprodml i v(i pow<'r ;ire re<ln<*ex| 

 by '.\\i,i'y i. e., by lon^ exp<isiire (o Iheir own proiliiels of me(id)olism. 

 While ill die loi-mer (?xp<^rimeii(s, only Ihe itihibil iv<! e;iiise wjih r«Mnoved, 

 in (Im^ lollowiiij; series Ww. old <nl(nre is lr;insrerred lo ;i fresh medium 

 :ind, ;if(er ( r;insferr'inj;', (Ik^ cells iire n.(d hindered fiirdier by (heir own 

 prodiicls. Any did'erences <M'etir*rin/Ji' in such cuKnres will be inheriled 

 eh.'iraclerH. 



I''or' (he (irs( <'XperiiiM*n( , :i pure ciil(iir<! wsis isol.'iled from Hie s(:ir*(er 

 nserl in Tnbie IV. The ;ivei;i<4e fermenlinj^ c;ip;ici(y hml been l'onn<I 

 (o be '.VlXi/Ji)'"u\\r. This ciiKnre will be, c;illed S(r;iin a. The experi 

 men( wjih i'^irried on in (he following w;iy : 



Twelvi^ Ibisks c«»n(!iininn 100 (•<•. of skimmed milk wctro Kb'rili/ed :ind 

 n;im<'(| in diiplic;i(e. A, li, H, />, /'/' nnd /''. A w.'is inociihiled widi 

 K(r;iin a ;uid s<M'V(*d jih K(o<'k eiillure. // :iiid li^ wei(5 iiiociil;i(e,d from 

 A i\\'\vv LM hours, It willi (K(H ce.. It, wi(h (l.(MM)l <c. <d' ,1. Afler li d:iys, 

 a ;mmI r'l WJ're inociil:i(ed from .1. Af(er I <l!iys, /> ;ind />, vvei-e in 

 ocnl;i(ed from A. These enldires /> ncidilied bill vi'ry slowly, conip;ired 

 widi // :ind <!, (hereloi'e in (he nexl inociihil ion, iifler 7 <l!iys, (hejimouni 

 of iiior nl;i( ion w;is increiised, /'/' r-eceivin;.; I ec., iind /'>', 0.01 ce. (d'/l. Af(<;r 

 1."'. d:iyH, llm l;is(, inocijhilion vv;ih nnnle, /'' r«;<*eivin^!; 1 <•<'. of A. 



In ull (liese <iilhirr's, die b;iclei-i;i wei-e e«Hin(ed in (he bey;itininj^ nn<l 



