Ill 



Page 



IV. Bees, lac and silk . . , , . . 84 



Bees . A jt E . , ih. 



Lac . . . . ,. . . ih. 



Silk . . 85 



V. Illustrations ....... 86 



VI. Miscellaneous . . . . . . . 87 



VII. Insect survey ....... ib. 



VIII. Catalogue of Indian insects ...... 89 



IX. Programme of work for 1920-21 ... 90 



X. Publications . . . . . . . ib. 



VII. Report of the Imperial Pathological Entomologist — 



I. Charge and establishment . . . . 95 



II. Work done . . . . . ... ... ib. 



VIII. Report of the Imperial Agricultural Bacteriolo- 

 gist— 



I. Administration . . . . . .109 



II. Training ....... ib. 



III. Soil biology ... . ... . : . . . ib. 



Nitrification ...... ib. 



Biological analysis of soils . . ... . 110 



Nitrogen fixation ....... ib. 



IV. Indigo Ill 



V. Sterilization of water . . . . . ib. 



VI. Pebrine 112 



VII. Programme of work for 1920-21 . . . ib. 



VIII. Publications ....... ib. 



IX. Report of the Protozoologist . . . . .114 

 Appendix. Report of he Secretary, Sugar Bureau* . '. 116 



