230 CAROLINE M. HOLT 
TABLE 21. SERIES E 
Test animals 
Albino rats kept in revolving cage for one hundred and three days after 
weaning. At end of that time mated and allowed to rear 2-3 litters. Age, when 
killed, about eight months. 
Males 
OLFAC- 
OLFAC- TORY AVERAGE 
soos Roe ea, |e Rees eS eee 
ys WEIGHT BRAIN PER DAY 
WEIGHT 
days grams mm. grams grams 
Dine scrva anne cto Be 238 299 P| 2.018 | 0.092 | 4.54 4.6 
Wats dnc h tere se 238 311 228 1.842 | 0.094) 5.10 6.7 
Average males....... 305 PAS) 1.930 | 0.093 | 4.81 5.7 
Females 
7 cs Oa ences A et 238 216 202 1.777 | 0.080 | 4.58 4.3 
Ye 238 156 203 1.654 | 0.080} 4.81 a0 
Average females..... 186 203 1.716 | 0.080 | 4.66 Od 
Average males and 
femaless-eeec ack 246 214 1.823 | 0.086} 4.74 on 
TABLE 22. SERIES E 
Control animals 
Stock albinos used for control in defective feeding experiment, Series A. 
The four oldest of this set chosen for present tests since original controls died 
early in the experiment. 
OLFACTORY 
OLFACTORY | BULBS PER 
ayant sce | werour | uexora | werenr | BULBS | CENT oF 
WEIGHT 
| Or tr) eee 146 228 202 1.987 0.081 4.06 
| DS 2 db aie 157 274 218 2.021 0.077 3.81 
yses 24: oe eee 160 223 202 1.890 0.085 4.51 
fb ee Pm Pais, 9 213 183 187 1.801 0.082 4.56 
AV CTAZC....0 cae Papal 202 1925 0.081 4.23 
ehat Test : 
Series A 106% 95% 106% 
Control |" 
