64 NAOKI SUGITA 
TABLE 1 
Showing the observed and corrected values of the area of the cerebral cortex in the 
sagittal section of the albino rat brain, accompanied by the data for the correction- 
coefficient in the individual cases and the correction-coefficient for the group. 
L. F is the longitudinal diameter of the cerebrum 
ae CORRECTION-COEFFICIENT Oa atan 
GROUP BRAIN WEIGHT AREA SS See Ee AREA 
OF CORTEX L. F in fresh The same on OF CORTEX 
: brain slide 
grams mm .2 mm. mm. mm .2 
Ea 0.1538 3.2 5.50 4.97 4.1 
c 0.154 Bn 0) 5.60 4.80 4.1 
b 0.177 4.0 5.70 5.138 4.9 
0.161 Bodh iho dkee 4.4 
Ila 0.213 4.0 5.80 5.13 oll 
b 0.221 3.9 6.00 5.43 4.8 
c 0.261 4.8 6.60 5.60 Gad 
d 0.271 4.8 6.75 5.80 6.5 
e 0.288 4.5 6.70 5.79 6.1 
- (Birth) 0.251 4.4 TERUG 5.8 
III a 0.311 6.1 7.39 6.45 7.9 
b 0.322 6.3 7.20 6.40 8.0 
g 0.374 8.1 7.40 7.40 8.1 
Cc 0.390 Bt 7.50 6.70 8.4 
i 0.395 7.4 7.95 7.20 9.0 
0.358 (58) ple Oz 8.3 
IV b 0.400 (57h Het) 6.65 9.0 
a 0.402 8.4 eto 7.30 9.4 
c 0.420 Sez 7.95 7.20 10.0 
i 0.443 - 10.6 8.30 8.10 Ibe 
d 0.459 8.8 8.05 7.60 9.9 
e 0.466 9.6 8.40 7.80 ial 
0.432 8.6 1.08? 10.1 
Vi 0.501 10.2 8.35 7.90 11.4 
a 0.525 WAC 8.55 8.45 12.9 
b 0.528 ied 8.50 8.05 12.4 
Cc 0.534 9.0 8.65 7.60 11.6 
d 0.537 10.1 8.30 7.70 Le 
e 0.555 12.3 9.25 8.65 14.0 
f 0.558 11.0 9.20 8.50 12.9 
g 0.564 11.4 8.85 8.40 AEG 
h 0.579 ES 9.10 8.35 13.6 
0.542 11.0 1 072 12.6 
