IV 



Page 



Dung-flies 100 



Mosquitos ib. 



III. Publications 102 



IV. Programme of work for 1917-18 — . . . ib. 



VIII. Report of the Imperial Agricultural Bacteriologist — 



I. Administration and tours . . . . 103 



II. Training 104 



III. Soil Bacteriology . . . . . * 1 04 



Soil fertility in its relation to bacterial acti- 

 vities ib. 



Phosphate requirements of soil bacteria and 



their relation to plant growth . . . 106 



Biological analysis of soils . . . . ib. 



Green-manuring . . - . . . ib. 



Leguminous root nodule organisms . . 107 



Plant diseases ...... ib. 



Poppy ib. 



Citrus canker . . . . . ib. 



IV. Indigo 107 



Extraction . . . . . . . 108 



Hydrolysis 109 



V. Pebrine . . . . . . . Ill 



Hereditary infection . . . . ib. 

 Infection through contagion or ingestion of 



the parasite . . ... . . 112 



VI. Saltpetre . 117 



VII. Programme of work for 1917-18 . . . ib. 



VIII. Publications . . . . . . . 118 



IX. Report of the Imperial Cotton Specialist — 



I. Charge and tours 119 



II. Cottons in the Provinces . . . . . ib. 



Bombay Presidency ..... ib. 



Central Provinces . . . . . 128 



Central India . . . . . . 129 



United Provinces . . . . . 130 



III. Programme of work for the year 1917-18 . ib. 



