XIV THE ROYAL SOCIETY OF CANADA 



Grain Insect Committee. 



Terms of Reference. 



To consider the relative economic importance of the species and varieties of 

 insects infesting grain, to suggest measures for combating them, and to enquire into 

 the extent of the actual loss from these pests. 



Committee. 



Professor V. H. Blackman, F.R.S., Professorof Plant Physiology and Pathology 



in the Imperial College of Science and Technology. 

 Professor Arthur Dendy, F.R.S., Professor of Zoology in the University of 



London, (King's College). 

 Mr. J. Hartley Durrant, EntomologiFt at the British Museum. 

 Professor J. Stanley Gardiner, F.R.S., Professor of Zoology and Comparative 



Anatomy in the University of Cambridge. 

 Mr. W. B. Hardy, M.A., Secretary, Royal Society. 

 Sir Alfred Bray Kempe, Treasurer, Royal Society. 

 Professor Robert Newstead, F.R.S., Professor of Entomology in the School of 



Tropical Medicine, University of Liverpool. 

 A representative of the Board of Agriculture. 

 A representative of the Milling Trades. 



It was considered by the President that the formation of a Com- 

 mittee to act in co-operation with the Committee of The Royal Society 

 would be quite in line with the efforts of our Society to be useful in an 

 economic way. 



The President nominated Dr. C. Gordon Hewitt, Dr. E. M. 

 Walker and Dr. C. J. S. Bethune as a Committee, with Dr. Hewitt as 

 Chairman. 



The report of the Committee which was forwaided to the Secretary 

 of the Royal Society of London on March 12, 1917, was as follows: — 



REPORT ON THE DAMAGE DONE BY INSECTS TO GRAIN IN 

 STORAGE IN CANADA. 



In November, 1916, a Committee of The Royal Society of Canada consisting of 

 the following members was appointed by the President: — 



Dr. C. Gordon Hewitt, F.R.S.C., Dominion Entomologist, Department of Agri- 

 culture, Ottawa. 



Prof. C. J. S. Bethune, F.R.S.C., Professor of Entomology, Ontario Agricultural 

 College, Guelph, Ont. 



Dr. E. M. Walker, F.R.S.C., Asst. Professor of Zoology, University of Toronto, 

 Toronto, Ont. 



This Committee was asked to conduct the following enquiry: — 

 To consider the relative economic importance of the species and varieties of 

 insects infesting stored grain, to suggest measures for combating them, and to en- 

 quire into the e.xtent of the actual loss from these pests. 



As the Entomological Branch of the Canadian Department of Agriculture has 

 been conducting a special investigation on this question for some time. Dr. C. Gordon 

 Hewitt, the Dominion Entomologist and Chief of this Branch, under whose direction 

 the investigation is being carried on, has prepared the following report for the Com- 

 mittee on the results of this investigation up to date: — 



