B 



A. Figure on left: Japanese turtle " mutant " No. 10S ;uiil mat-' No. <:'. are th. | 



liirds shown on tliis plate. The \vliiteneil "mutant" parent is shown to th.' Left; the normal 

 the right. 



B. The first two partial " mutants " and an intervening nonnal young from the par. 



C. The last three " mutant " offspring of " mutant " No. ins and normal No. : 



