INDEX. 43 



Page. 

 Scale, San Jose, fumigation of apples, Rhode-Islancl-Greening-injury experi- 

 ments 23-24, 31 



strength-of-gas experiments 17-18, 30 



summary of results 30-31 



variety-of -fruit experiments 22-23, 31 



with carbon bisulphid 26-27, 31 



laws of States of United States, bearing on introduction, trans- 

 portation, and sale of infested fruit 37-39 



mortality on fruit during winter 16-17, 28, 31 



on American apples received at Hamburg 10 



possibility of establishment on apples and pears 7-9 



quarantine laws of foreign countries 33-37 



spread in United States 9 



Syhaerotheca mors-uvx, quarantine laws in Norway and Sweden 36, 37 



Spraying with lime-sulphur wash, thorough treatment to prevent scale-infested 

 fruit 9-10 



O 



