NEW TYPES OF CHROMOSOME DISTRIBUTION. 



149 



Polar view of 



the first 



division 



metaphase. 



Side view of 



the second 



division 



anaphase. 



Two classes of Reduced number Male and female 



spermatozoa. of chromosomes chromosome 



in the egg. groups. 



-f 



O 



000 

 *14 





o 







00 O Q 13 



00 

 



o 



_ 



o - 



?o. 



Diphfodus 



00 



o 00 



Fitcbia 



oo 



O s 



oo 

 -o < 6o 



OO o 



14 o 14 0o 







o o 4. o 

 ^ o. 



V 



j 0?> <^ o 



o O 14 O o O 14 



0* 















o 







C. Prionidus. C5l2 9 



'4 



oo 



0000919 o**' 



/). Ge/astocorif. ' 6 









s = 



00O35 



