SCOPE OF GENETICS 45 



admit of their incorporation, but he must be 

 rash indeed who would now attempt a com- 

 prehensive reconstruction. The results of 

 genetic research are so bewilderingly novel 

 that we need time and an exhaustive study 

 of their inter-relations before we can hope 

 to see them in proper value and perspective. 

 In all the discussions of the stability and 

 fitness of species who ever contemplated 

 the possibility of a wild species having one 

 of its sexes permanently hybrid? When I 

 spoke of adventures to be encountered in 

 genetic research I was thinking of such 

 astonishing discoveries as that. 



There are others no less disconcerting. 

 Who would have supposed it possible that 

 the pollen-cells of a plant could be all of one 

 type, and its egg-cells of two types? Yet 

 Miss Saunders' experiments have provided 

 definite proof that this is the condition 

 of certain Stocks, of which the pollen grains 



