H(i JorUNAI, Ol' I'OUI'.S'I'KV 



per cciil ; I 10 \t';ir old Itccs, I'.iiliiic. Tlicsc icsulls ;ij^m-cc willi lliosc 

 (lisi-iissc(l ill .'luollui- ;irli(lc in llic |.iiiii,ir\ , IDIO, (Jii.iflcrl v |<mk,\ai, 

 Ol' I'\)Ki:sTin . C". I\. T. 



Cicdi, I'lcdcn.k J, CrniiiiKilrrr iujuuilx «j pnir .v, ■,•</. Oiiarl. Jmir. iM.ro.st. 

 11:110 III. I'.i;i(). 



MI'.NSl 'NATION. I'lNANtM-:, AND M AN ACIvM ICNT 



Mi'.'isnrciiic'iils (il ;i lari^c imiiihcr ol stninps 



lli,-<isl n'hjh (il (ink ;iii(l hrc.-li in tlic foffsls ol" (hts. I I;iuU'S 



mill Sliintj> .-ind r,.isscs I '\ irnrcs sliowi'd lli;il |lic sum of 



I )iiiiihlcrs llic l;iii;csl ;iiid sniallrsi sluinp diaini'lrrs, nicas- 



tncd al llic siiit'acc (d" llic L;i"ound, was appiDxi- 



iiiialcl) c(|iial lo llic sum ol' llic (•irciiin I'crcnccs of llic same 1 1'ccs 



iiicasincd al hrcas! Iicij^lil (I '" ;10). In oilur words, the avcrajj^c 



diaimicr al hicasl lici<.dil in llic case of liu^'-c two spi'cic's was v(\u;i\ 



lo (i;; per (•(•111 of die iiican dianu-lcr of i1k' siniiip al llic surface of 



llie -round. S. T. I). 



(1,- j;i ll:iniclin:iyc. II. luij'j'drl (III (liiiiiirlri' a I'" .■,'(> an dhuHt'lrc dc la souche. 

 k'rv. I'.aii.s el I'oril.s. .-,s : I :!:M .'..".. I'.Kio. 



U'rild/ATK )N, .M.\KKI<,'I\ .\NI) Tl'.Cd I N( )!,()( ^N' 



An analo,!^;,' is su}.;,i;c'sled helween the o])eratiou 



piyiiK/ l.iiiiihcr of di\iiijL; luniher and the aseent of nioisliirc in 



and llic .-Isiriil tlu- living Iree. In order to i'.\])lain ihe action 



()/" Moishirr of tlu- eondcnser in reiiio\'iii<; moisture from 



the air (a vcvy wi'll uudeislood priiuiple ) a 



new llii'or\' is proposed for the aseciil of the sap in the tree, and the 



i-ondenser dr\ ini; is t'ompared thereto. Im-oiii the point of \'iew of the 



prohK'iu (d" the ascent of llu' sap llie hypotlusis proposed has coiisid- 



I'lahle ineril and is worlh\' of study. Ylu- idi-a. althouidi undonhtedly 



ori.^iual to Mr. v'^loiu', is not alto,<;i'ther new. lu short, il is that the 



moisture passes upwaial ihroii^h the \i'ssels or "fairways" in the form 



of \a])or, and condenses upon the walls and is thence ahsorht'd into 



tlie walls of Ihe cells. "The hulk of the condensation will take place 



at ni,t;hl when tln' radiation of the heal from the hranelies lowers the 



temperature much hclow that of ihe trinik; a reserve of water will 



thus he fornu'd that will sni'lice for the followiiiL;- day. 'V\\v Mow of 



