344 



INDEX. 



Milk — Concluded. 



Suggestions for improvement, 

 Accounts, 



Central milk plants, 

 Co-operative delivery, . 

 Large deliveries per horse. 

 Standardizing distribution. 

 Ticket system. 

 Milk depots visited in 1917, 

 Inspectors visited in 1917, 

 Market, investigations, 

 Studies in, . 

 Mosaic disease of tobacco, 

 Bacteria in relation to, 

 Biochemical studies. 



Causal agent, probable character of. 

 Activity, . 

 Size, 



Temperature, effect on. 

 Enzyme activities in healthy and diseased plants, 

 Catalase, . 

 Chlorophyllase, 

 Diastase, . 



Oxidases and peroxidases. 

 Mosaic sap, reaction of, with various substances. 

 Drying, 

 Filtration, 



Resistance to antiseptics. 

 Contagious nature of. 

 Control, prevention and, . 

 Description, 

 Dissemination agents, 

 Insects, 



Seed, .... 

 Workmen, 

 Economic importance, 

 Fertilization in relation to. 

 Fungi in relation to. 

 Historical summary, 

 Infection from seedbed, 

 Infectious nature of. 

 Light, colored, effect on, . 

 Experiments at this station. 

 Discussion of results. 

 With blue cloth. 

 With orange cloth. 

 With red cloth, 

 Work of Lodewijks, 

 Lime, effect on, 

 Occurrence, 

 Pathological anatomy, 

 Leaves, 

 Roots, 

 Stems, 

 Prevention and control, 

 Care in handling, . 



PAGE 



53 



53 



53 



53 



53 



53 



53 



45a 



46a 



20a 



56a 



73 



86 



96 



110 



111 



110 



110 



96 



97 



103 



101 



103 



105 



106 



106 



107 



82 



113, 



78 ' 



87 



87 



89 



88 



81 



90 



85 



74 



80 



81 



91 



92 



95 



91 



94 



93 



91 



90 



80 



83 



83 



85 



84 



113 



116 



