...(lithographs). Bibliography and index. Price, $4.00 per volume net (iSs.). A knowledge of the lavrs of mutation must sooner or later lead to the possibility of inducing mutations at mill and so of originating perfectly new characters in animals and plants. And just as the process...

...illustrations. Six colored plates (lithographs). Bibliography and index. Price, $4.00 per volume net (IBS). A knowledge of the laws of mutation must sooner or later lead to the possi bility of inducing mutations at will and so of originating perfectly new characters in animals...