INDEX. 



287 



Resistance, electrical — Concluded. 



Of small plants, ..... 



Of trees, ...... 



Rust on Vinca, ...... 



Sap flow, relationship of electrical resistance to, 

 Seeds and seedlings, effects of electrical charges on, 

 Seed work for year 1911, 



Tables with discussion of: — 



Number samples and pounds tested, . 

 Number tests for twelve years, . 

 Onion, tobacco and celery germination. 

 Seed germination records, . 

 Seed separation records. 

 Soils: — 



Bacterial flora, protozoa as a factor in. 



Mechanical analysis of, new method. 



Sterilized and unsterilized, bacterial growth of. 

 Soil sterilization, present status of. 



Benefits of, . 

 Substations: — 



Asparagus, Concord, 



Cranberry, East Wareham, 

 Testing pure-bred cows. 

 Trade vajues of fertilizer ingredients. 

 Treasurer, report of. 

 Trees, electrical resistance of. 



Cut branches, experiments with. 



Different tissues, resistance of, 



Flow of sap, relation to resistance. 



Path of current. 



Small plants, experiments with. 

 Types of corn suited to Massachusetts conditions. 



Cob, analyses of, . 



Composition of parts, conclusions as to. 



Condition of crop when cut and character of season, 



Details of experiment, 



Digestion coefficients, 



Digestibility of plant, 



Gi-ain, analyses of, . 



Grain and cob, composition of. 



Grain and cob, from ten average ears 



Grain and cob, relative proportions o 



Proportions and composition of part 



Season on yield, effect of, 



Summary, 



Varieties, description of, . 



Yields per acre, 

 Variation of garden peas. 

 Veterinarian, report of, . 



Correspondence, 



Diagnosis work. 



Research work. 



Bovine tuberculosis, transmission of, 



, weights and proportion of 



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