










AS CAUSE OF THE APPARENT CONSTANCY OF THE MUTANT „SPREAD. 335 
TAA ET AG EA LE QD 2 OT PEATE 
Spread | Normal 
EHER He AOS Se 
K 144 114 | 
K7159 65 | 
K 160 21 | 
K 164 16 | 
K 166 58 “A 
K 167 58 
K 168 123 1 
K 173 96 ear 
K 174 52 | 
K 175 136 
K 176 75 1 
K 177 74 i 
K 178 101 i 
K 179 145 | 
K 185 11 | 
K 187 730 | 
K 192 48 
K 193 31 
K 194 142 | 
K 195 64 
K 197 7 LA | 
K 209 45 
K 210 72 
K 211 38 
K 212 55 1 
K 213 36 
K 215 11 
K 216 97 
K 217 79 
K 218 10 
K 219 53 
K 220 147 
K 221 64 
K 223 31 
K 224 20 
Ke 225 22 18 
K 227 67 
K 228 25 
K 232 22 
K 233 47 
K 234 16 
_K 235 69 
K 236 18 
K 237 19 
K 238 53 
. K 239 59 1 
K 240 46 
K 241 55 
Found in all. . . 2933 11 | 3 




