44 Bulletin 393 



PAGE 



Relations to be considered in choosing fruits home under similar conditions 99 



Position of the fruit on the spur, and number of seeds to the fruit 100 



Seed content and weights of long-stemmed and of short-stemmed fruits pro- 

 duced on the same spur loi 



Relation between number of seeds and size of fruits on spurs bearing one and 



on those bearing two fruits 102 



Relation between aphid work and fruit development 103 



Number of seeds in normal apples and in apples stung by aphids 103 



Water-core as affected by aphid work and water supply 103 



Experiments concerning the absciss-layer 104 



Effect of removing fruit and leaving varying lengths of stem 105 



Effect of coating fruit with vaseline 105 



Effect of slow and of rapid drying of leaves on detached spurs with 



uncoated fruit and on detached spurs with vaseline-coated fruit 106 



Effect of a saturated and of a dry atmosphere on abscission of fruit on de- 

 tached spurs 106 



Summary 106 



General discussion 109 



Bibliography 1 12 



