Prepared for the Honourable the Commissioner of Agriculture on Behalf of the Society. : By the Rev. C.J.S. Bethune, M.A., Head Master of Trinity College School, Port Hope ; President of the Entomological Society of Ontario ; William Saunders, Editor of the Canadian Entomologist ; Edmund Baynes Reed, Vice-president of the Entomological Society of Ontario ; and Joseph Williams, Secretary-treasurer of the Entomological Society of Ontario