105 
Summary 6 Days. 
PORURATISTCES SOO) WWiNC AG IS OLAW EsKben see an cam ea Oe &. sols ereryehnciele ct eos 9 made growth. 
PMU dSLELSRUO PGA heb rxbe © see | eA ne nel Meetoumite Suet aie fal Soeya al A ohayaueee sole 5 made growth. 
22 HRDIS RSS WOMSTIORNG UG dF otcro ta er once Gio ey ecie.-o Ucar CRS Ce Mee Pica chee ees 27 made growth. 
ERAN SLCLSAUOPA RAL ALONG. ietrepert te eet ees goer eeee erasers, Gale male wlcleeeirs 10 made growth. 
ieacransrers voOLAmmoniun Nitrates... 2.2... 0.-. << s2+6-e--- 12 made growth. 
SemEranstersivO) Nan aSP-naPale. aaa neuw ce hse awe. Gate ou oases a2 Made erowbh. 
POMEEANTSLCESHUO ESOL er Anspsyeie sie ronstcete tea Oo eater etal lag eras asp sean iwineus tock 10 made growth. 
ORBEA SLCESELOLs Olan Gn sual Mrceay sists = <lechha cise oleucla we tthevese mics Sieramaye, os 15 made growth. 
SSP MUTI SLOL SE UO lly ta My Ese cleans eee Penge are yar eee, Suet le Pacey ses Gi eccike Gime sves he 30 made growth. 
IPmprAnSters LO) NiEraINIOylanGeS tes 5 5 en = <15 pat ol eys Se se on) ea) i Sees 10 made growth. 
IROL ANSterssbOp s Olean GeiNtllaiN Orie. ak otaeiche sais ke amir bre Sele son So 9 made growth. 
OMAN STOR SEUOL SOL IH Keree sek ote yee ay se oh ot Speke Sc ccly Shenet Mediate Oh ot ord aetna 12 made growth. 
I MUREUTIST ODS actek keto hacia oe rok et ORS cen net eras ose a The Buch Subeat he eae See 177 made growth. 
Summary 14 Days. 
feomUATISTEES Ol Nea bos Ula Ww LbEXba acme tenstaie shebe oie ooo tenomtinrs © nsia ce 9 made growth. 
mUCATISTCES DOS GaL HGS seo w= A abey At het am tab eeee audbots cated Goatere vase eve ee 5 made growth. 
SRA SLCLSTbOnMS DALG Ie ete eae ost No ne ai cln store oe eae ore Aon c, aioe bro taw ore 6 28 made growth. 
MOmnaiet CLsmuOFA Gar aAlLONG saice-t. carer estar) ease eee ches oar lus bode neeege acne: 11 made growth. 
featranstersntoL. AmmIm OMNiMINtrate. 2. 2 ect oo eens oh eet ks 12 made growth. 
BOmURCMSLOTS OOM Na cAS Dr AL ALs, sare aster lotic nS, hacrelearttonet ante ame selena tae 31 made growth. 
METRE GS wOmS Oley teed 25 oa nr sea Me eee eae Sen ioe ats ee ookin ia va renee Ste 10 made growth. 
OME AMISTORS uOns Oiled ins Gal CH sea & fys taps, asters ets Shoch s'e,. rely tes cena Ss 15 made growth. 
Soman slersnOp mand ehraeat sek een bieiacd. cae ee ceeds one ea ase soe mMadersrowth. 
He eoranstersivOmzNi aN © svanGuS beeiocnas de So oisanti aps clomuertaaans a2 sbsodelas 11 made growth. 
PAIR ANSCOLS CONS OLE AL CeINGELIN Ogip. hice ea lai ate) on, 4 s7e4-b ens) Mere) oe) omens eee 11 made growth. 
HORULANSters LOUSOlMM Xtmaaon koa one aa ane cen Me ee ae ae a seo 2 madergrowithe 
PMO MDEATISLELS habeen opie here anal aaltie Tevelaciics ths fe cakes soe eee) ie tier Sueyehchie aks, areyet tse 187 made growth. 
Notes. 
(1) In this set of tests, as in those run previously, there was very little 
erowth on the agar alone, the soil, and the soil extract slants. Practically 
all the organisms tested made some growth on these media. 
(2) Ammonium nitrate furnishing nitrogen both in NH, and NO, did 
not grow better cultures than agar alone. This latter is from observations 
made after fourteen days’ incubation. 
(3) Wheat straw extract grew but little better cultures than the soil 
extract, while leaf extract was a total failure as a media. 
(4) Starch furnishing sources of energy, and being capable of being 
