32 KXnnUMKNT STATION UKCOHl). 



WUlpliMti' .'iiiil (lien spi oiiti'd. !i fon.NldtM iililc (mm icutMK.o t>I' !\l>iii>iinMllI li's of kov- 

 oriil siutN. Tlu' iMiKinl f;rt>liis inutllMtcil In llUf iU!imuM\ but not siilij«'ct«'«l t»» 

 Hio iMpiuT NolulloM, sho\\(Ml UK itis«> tii" iiliiionniilKy. lie r«'fi<i*s In this i-oiuuv- 

 (loi> to th«> work iind >U>\\s o( IUiu'IiikIumu r«>lutlvo to tlic (-onttniKHl liili(>rltitiit'«> 

 of (litoiatlons t'ollowtuK trnuiuMilsuis ( IC. S, K,. Il>, p. ll'.'SK niul nilsos tho 

 «]itostton wlu'ttior tlio nvsnlis ot' coiitiut of sproiiiliiK sihhIs with iiituo or U>s.s 

 poisonous uuhIIii tuny not Imvo h«vn of ln»pi>rtiuir»< in th»» evolution of phint 



NpOi'loS, 



PhyifJuloirlcAl iMoIatlon of tyi>p» In the frenus Xtiitthluin. ('. A. Smi.i. 

 {Hot. (lo!., :>'J (l'.>i:>). So. Ci. ftp. ^7i ^SS, flum. 1\. rhi« author iu>tos n »h»);r»««> 

 of phystolo^tciil ls<>ltith>n ninoui: tlirro t.vpos of Xttntltluiu lu'iir I.n\vri>n»t\ Kims. 

 Two t>f thoso tippoiir to bo A. tunnsylvouicum and A. «'<iH«i(/e«.'«f, ros|H>ctlv»«ly, 

 w hllo M third Is consldtMiHl to 1>«« a ni«w sp«vlos whirh ho has iuuuo«t \ . ijlohonum, 

 tloforrlui; ilu> t(vl\nh'al dosrrlptlon, l»ow«>vi'r. nut II th«' limits of variation «'an ho 

 «U'torinlnod for Iho now sptvlos. This app<*ars to hnnnl truo ami to ho tho nu»st 

 produrtlxo of hurs yot known. It Is thoUKid posslhlo timt A', miunltnav may 

 ho tlH» rosult of a onvss hotw'«H<n tlio othor two. 



Th«< law of tempprnturo connected with the dlatrlbution of the marine 

 nltC:*'. N\ A. SiniiKii ( Ihm. Stismnni Hot. tliiftt., x" (/.'»K»I. A'o. I ii, |)j», i'N7 

 .tr'.l). This Is a prollmluary discussion of tho distribution of marino alKic. 

 witli somo Imjvdry Into tlu< iMudlllons ^ovornlnj; such distribution. One of Iho 

 nn»st Importaid id' tlicsc Is toinporatur«<. The Krcat«>r part of tlio sjhvIcs, so far 

 as observed. art< found In oidy on»> of tlie temiH>rattirt< r.oui's studied, which are 

 l»as«Hl on a ran^e of r>' ('. and a rapldl.v det-rcaslUK niniibcr e\ieiid to two or 

 more y.oitt^. 



A list of works rcferr<sl to Is jiUcn 



l'olymorphlnn» In fuuKl. •• I»\niki [inn. .set. / inr. Ix'tinits, /;? (/.'>/.1), 

 A'o. i?. |i<i. Il~' //.'iK (\inun«<ntlnK on casos obsorv«Hl. the atithor sunK»*sts thnv 

 hypothestvs reijardlnv; |Hilymorphlsm In fun>:t. (1) that of local or Indlvldmil 

 forms ct>r respond I iii; to h>cal ct>ndltlons, t"J> sexual hybrids, provhhNl sexuality 

 In hiKlier fuui;! be atlndited, and {IW ^rafl hybrids which are asexual In ihar- 

 iicter. 



Convenient methods for denionstrntluK the blooheinlcal activity of mlcro- 

 oriranlsnia, with special ivferejice to the production «nd activity of ©nx^yius, 

 r. U. t^HAUiii. and n. S. Kkkd (Itiovhtm. Itul., ^ {,li>l5), Xo. M, |i;). .'K'-4|. 

 !»/. /),- Tho muhors ilescrlhe mothotls ft»r maktn.i; seml|H^nnuntMtt tlemonstra 

 tlons of tl>o activities o( n\lcro-or):anlsms. These methods are desliininl ti> show 

 the prt«.seiuH> and action of products of iN«lhdar a»-tlvliy u|H>n api>rop<"''<i«' ^'i'' 

 stanct>s lucorporat«>«l In layers «>f aptr. Tabulattsl data are ijlven for the various 

 tests and mi^lla cmploytnl with ^ro\ips of ori;anlsu\s. 



Evidence for the greneral distribution of oxidases in plants, (I. W. Kkkd 

 (/I'o/. Ihii., Mi {.li>i:>). So. .••». |i/». )(>7 ^(».'»K— it Is held that If oxlilases play the 

 ossentlal riMo lit respiration attrlbutinl to them, they must Ih» prost»nt In all 

 llvlnj: tvlls. 



Uep»rdU\,c the two tyiH^s of tissues tliat hav»> Invn claimtnl to lack i>xldases, 

 tho author has already reiH>rt«Hl (K. S. K., SI, p. S::tU studies relating: to such 

 as are markedly add In ivactlon. .\s to th»vse said to OMttaln lar^x' amouiUs of 

 riMluclns; subsian«vs he nmv siduiills results tendtiiii; to show that t>xldases arc 

 of jixMieral occurr«>ni>< amoi\i; tlu« alujv, whUh has luvn claimed to ho as a Krt»»n>. 

 with btit twi> dellidtt< eX(H<pll(»ns. tVt»«> from oxidases on av\>»uid of the presen«H' 

 of rtHluclnii substauivs. 



Oxidation and itHluction iti rAlation to vcjfotnble chromojfens. .1. Woi.VK 

 itnd N.\m.\ Kot'iMiKi M.xNN {Coinpt. K#N<f. \<-i}tl. Sri. [I'tina], 160 {Ii>l5), So. 

 Sii. |>/). 7/f) TIS). One of the authors havlni: nottnl (K. S. U., :U.\ p. l'Jl>> that 



