200 
NAOKI SUGITA 
TABLE 7 
Giving for each litter group in this study the average brain weight. the corrected areas 
of the cortex in the sagittal and frontal sect'ons, and the total area of the frontal 
section and the average correction-coefficients for each group for each kind of sec- 
tion. 
The percentage values of the cortical area to the area of the total section in the 
frontal section are also given for each group. This table was condensed from two 
detailed tables for individual observed data and the data for the correction-coeffi- 
cients. The averages for the test and control growps are given at the foot of the table 
SAGITTAL SECTION FRONTAL SECTION 
SERIES, LITTER AND Tasie, |p Percent- 
’ 3 + f 
CHOOE CONnKOM aaa Cone Area of Sore Area of oe conical 
efficient Rorcex efficient cortex section Heel 
area 
grams mm .2 mm.” mm.* per cent 
Series I 
IN (Op By Cloak os ll 0.584 1.16 14.6 1.18 13.4 | 28.8 45 
h TEE | 1024 2 22.2 P28 e22nS) ORO 51 
b, g Gra 0.688 1.09 17.4 1.14 L5e2 ip voled 46 
1 Cepia ee 27S iL 28} 27.4 IAD Ale al 2 35(0) 50 
Series I 
Beanie wenat We 0.644 ey 16.9 Iie SPOR eS le6 47 
i 405 INE || db: LAO: || ~ Baie iLoeiy/ 2a. 44) 452.7 51 
b, d Cr 0.548 1.08 9.1 1.09 GR eZ orl 46 
g, h, j C. II | 1.144 1.24) 24.6 Sil 2M | 4ae3 47 
Series I 
Cra cud ST LOS 1 24.5 1225 2220) e43e6 50 
b, e Ce 18307 a 27.8 AG, 222255 AoR0 48 
Series I 
ID el ‘Ted 0.778 mS 19.4 1,24 79 SOR 50 
e She WUE), WeWssy The ay 24.2 28h 2OkOn Peale 49 
b Gall 870 tke? 20.6 iil MeieCe | Bisets: 48 
f Cree le 220) 1.14) 26.7 = 
Series I : 
13) lo, ©, Cl re 867 pelo 19.9 123 19.8 | 38.4 52 
g,h MD JOE |) Te ees 1.20 | 25.9 1.26 | 23.4] 45.9 51 
e, f Cale 79 We |p Pee 1h Al 22.2 | 45.2 49 
Series II 
F a, b TT 02832 air 20.8 1.21 18.6] 38.0 50 
e—| Tea AS 204 1.24 | 26.0 IS 2ale 2a tu eas 50 
