TABLE 3—Continued 
CORRECTION- 
(o) x, 3 
SOMITE NUMBER OF CELLS IN A VOLUME OF CORTEX, 0.001 mm 
BRAIN 4 i i 
CIDE WEIGHT] w p Lam. pyramid. Lam. ganglion. Soren in 
ie W.D . gang]. 
seetely nde | ——-———— 
al Ob- Cor- Ob- Cor- Ob- Cor- 
served | rected served | rected | served | rected 
grams mm. mm. 
Vf | 0.558 | 10.00 | 8.55 357 | 223 182 114 79 49 
0.564 | 10.10 | 9.15 326 | 242 178 132 62 46 
g 
h | 0.579 | 10.10} 9.05| 318] 229 | 194 | 140 64 46 
0.542) (1/1.13)8 368 | 258 | 194 | 136 70 49 
Vic | 0.610 | 10.15] 8.50] 325] 190 | 182 | 106 65 38 
A | OLGt7 1085S. | 8865.) § 322)! A77— |) 200) | 110 60 33 
e | 0.690 | 10.60} 9.40] 286} 199 | 191 | 133 58 40 
0.639 | (1/1.19)3 Bilal 189) C1976 aettG 61 37 
Walley POR 740) | 1100) |) 9.20") 62770) 186) || 149,16 100 48 32 
b | 0.760 | 11.20] 8.70| 300} 140 | 188 88 47 22 
0.750 | (1/1.24)8 289 | 163 | 169 94 48 a7 
Wililiea | OL8008 1115.1) 8.60 |) 3021) 128) |) 170 78 43 20 
h | 0.805 | 10.60 | 8.30] 293] 140 | 168 80 48 23 
by 0-822)| 1485.) 10.20) 266.) 170° -| 138 88 38 24 
ce | 0.849 | 11.40] 9.90} 242] 158 | 140 92 37 24 
k | 0.870 | 11.45 | 9.60] 257) 151 | 152 90 45 26 
dy 80, 898h0 11575) 10/207 2554) 167) =| 188 90 38 25 
0.841 | (1/1.20)3 269 | 154 | 161 86 42 24 
IX d | 0.959 | 11.80] 9.70 | 241] 133 | 156 86 40 22 
@ (02960, 12.15)| 10.10 | 2240) 130. |147 85 39 23 
a 029729) 11.95. | 9.80 || 2208) 122) | 150 83 41 23 
(10 days) | 0.964. | (1/1.21)3 228 | 128 | 1651 85 40 23 
Xa, 0s3ei2 405 10e30yh 2230) 128) || 9153 88 45 26 
bal teOsGa2- 40105.) 22a) 1064 136 75 41 23 
e | 1.051|12.10| 9.40] 244] 115 | 149 70 43 20 
1.040 | (1/1.93)8 226 | 120 | 142 78 43 23 
Nae LOT e290, 10-20 |) 2345 site, | 150 74 44 22 
belie 189uleisets 10630 | 2298 110.) 148 “il 49 24 
Cue LOS Hem2eZ0 I 1Os305|) 220 etise 144 Wa 42 23 
Ge et95) ns | Ge80) | 220%eto7 |. 149" 68 44 21 
(20 days) | 1.171 |  (1/1.26)8 226 | 113 | 146 73 45 23 
NOI Ueda 2095 10.70. = 210 WS | 136 76 48 27 
aie 27Ba le oOOme toe 100ly 248ylenes7 |! a7a 60 55 | 19 
1.253 | (1/1.31)8 229! 103 | 154 68 52 \ 23 
