278 GLOSSARY 



differences which are said to be exhibited after long intervals 

 of time by all species of li\dng things. Instances of such 

 differences occurring in the Evening Primrose {(Enothera 

 Larnarckiana) are given in Chapter I. These differences are 

 transmitted to the next generation when two individuals 

 bearing them are mated. 



Zygote, the result of the union of two gametes (See Gamete). 



