CONTENTS 
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AUISTORTIGRNL 6. 0 0 86 6:6 BURMOREENG RE SEES Ie IEE Pa I Pe ir oC neta 1043 
HAUIRER CULV OS Beye hcl Mo. ic niu eres nals vAiatans MURA NA Wie tstad Rly 1043 
STOLL ALORA. 5 0 ooh  nea a Ce aan URS ante aA ere Rae 1046 
IMLTIUR {BIOIRD LS So ds Spee a Cre ORR PnP ROMA Sone ead 1049 
Cansclomocathvoh thescellon nar ee es See as 1050 
Ero peoubmerpresent NVestigation. 202.6... k eb lw ees 1053 
Miethoustommmuestieation ss. LW ee ae etn e wees ae es 1054 
CO peep Sid GPM rte, 0 er reh ere, tah Vac we tices aNd iaen ONS la 1054 
TMESOUIG, ow 6-5 ee RR Re aes IN sec AD Cay Ce ar rca ee ede 1054 
Method of freezing, thawing, and plating the bacteria......... 1055 
Hitectiwornace on thaw on bacteria count..............0.....:5...6. 1055 
mm Sollssinozenmmathe treldin, .2 ofits el ee ey aie) ee yee 1055 
Soulsmnozenempune-laboratOryes.. ihe. ee ee SUN. Oe ale 1056 
Effect of alternate freezing and thawing on bacteria count.......... 1057 
Effect of time, temperature, and rate of thaw on bacteria count..... 1058 
Tira GINS? GONG SCN ia As UI DeIAC eeme ee UC OR GL AUR NO ear 1058 
JI, SEACH SOUS 5 iy SRB SMa tri Ue Va Bs An Neen ant ore ae eg ita se 1059 
Ammonification and nitrification in frozen soils................... 1060 
Effect of low temperature on Bacillus radicicola.................. 1061 
Influence of concentration of the medium on the death of bacteria at 
HONAGMAETAEUTED Sg tiie weal ienee Gr sda oO ny So Ss) SS 1063 
Mian eTN CRO Moy COLIM ys oe  egiae) se tae loiaie Slsyse ie ols gap oishes eels 1064 
inanlneIN CRO CLEXU OSE 0% 2h he ON Oe eed IEE SN acta Tne at 1065 
SP CWEKAICISCUSSION 2 0.5... Gb ee ch ee ha as Hier pena roan Seen ey 1066 
SITTEOTORDIY 5) > a acer RSE ea Rieter yrs ata Ae ren Ure Relea ted soci 1070 
PESTON EC OMMETILS ves sens nat Meets) cates ENS) x orl steno dyratra oe ateylop tga votstiashay el onan 1070 
MP THTIRCMCIE CCR tee AUER Pa scott Ue ee oek Vaua: asi tele walla slapaten eral 1071 
1039 
