PLATE 3 



EXPLANATION OF FIGURES 



26 The same. 



27 Each germ nucleus is dividing by itself; 115 minutes after insemination. 



28 Disintegration of the germ nuclei; 115 minutes after insemination. 



29 Tripolar spindle; 120 minutes after insemination. 



30 Degeneration of the germ nuclei ; 120 minutes after insemination. 



31 to 34 Eggs radiated both before and after fertilization. 



31 Abnormal polar body formation; 60 minutes after insemination. 



32 The same. 



33 The egg showing the phenomenon of budding. 



34 The same; both 120 minutes after insemination. 



128 



