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STEINBERG: GROWTH OF ASPERGILLUS NIGER I7 
EXPERIMENT IX 
22 weeks, Y 6 
No zinc | o.or mg, Zn/L | o.r mg. Zn/L | 0.5 mg, Zn/L 1.0 mg. Zn/L 
0.242 gram | 0.270 gram 0.843 gram | 0.808 gram 0.854 gram 
GOI86: = | Gigaenc O836" ** Poumon mes (e 0.86520" 
C203 OTR: =" 0,825" ."" Fy Lanta 0;3843°° "7 
re 20 ¢ ae | G2500° 0.798 * OS45 O:864°05° 
eet ipele bape a Spa | EPCS CMa as" Coy. 
O05 |... | O26 oe" 0.823 “ te G.820.(.5' 0.859 “* 
5.0 mg. Zn/L | to.0 mg. Zn/L | 15.0 mg, Zn/L | 20.0 gm. Zn/L 25.0 mg. Zn/L 
0.750 gram 0.791 gram 0.700 gram 0.706 gram 0.755 gram 
O.736 " a7s9 2" ri lS ge ore Faery O98 oc 
0.739 =“ 0.774 “ 0.760 ** 0.747 “* 0.739 “ 
D.7A0). 717 vob fev egies O7O8 0.770 - 5 
De NS 0.750" (Pu at as O: FAG 0 = eae ar et anes 
} 
Orgy 1 Ae ae @ Sea O746. 0° Re ar see LE, aaa 
EXPERIMENTS X, XI AND XII 
No zinc 
X, 23 weeks : XI, 24 weeks XII, 25 weeks 
W> | W7 Ww; Wi | Y7 | Vx 
Lee ' 
0.211 gram 0.078 gram | 0.170 gram | 0.101 gram | 0.270 gra | 0.164 gram 
0.907 0.082 “ eies eo) eae oS 0.262 * 
0.196 “ 0.091 “‘ O,t48-)) 0.066 “ | 00! Rae nC 
(i ae ae 0.087 <<" C125." 0.098 ‘“ | OBO 4 Cage se 
Gaia OOOO. * O1§s =" O09 6 ol O60 [0.252 °° 
{ \ 
pees gene 0.086 “ TRE ck 0.098 “* oc 4 6.216% 
EXPERIMENTS XIII AND XIV 
W 8, no zinc 
XIII, 26 weeks XIV, 27 weeks 
0.131 gram 0.136 gram 
O25": 0.200 “* 
aM aie O:1390°> "7 
OF C555... 
0.196. 0.095 “* 
0.426..." O5AL 
