23 
so the establishment of a pure race of good milkers would be 
comparatively simple. Consider the simplest case of Mendelian 
inheritance, i.e., a cross between a pure bred good milker and a 
pure bred bad one. The first generation would be good or poor 
milkers according to the dominance of the latex-giving character- 
istic, i.e., if the good milker were dominant, a hybrid of fairly 
good milkers would result. From the impure hybrids on ferti- 
and does not give itself an unnecessary amount of flying. Such 
an area of older trees with all bad milkers thinned out would 
ordinary 
* This refers to Ceylon. 
