The Shipley Collection of Scientific Papers, Volumen2301921 |
Términos y frases comunes
Africa Agege Alta annual applied entomology Aristoteles Assistant attack Aweme Banff beetles bolls British Columbia Bureau of Entomology cacao Canadian Carr carried Casey caterpillars cocoa Colonies control of insect cotton Criddle crops Curran Department of Agriculture Destructive Insect Dominion Entomologist Dominion of Canada economic entomology Edmonton entomo entomological Entomological Society farmers Farms Fletcher fruit fumigation Germain Gibson Government Ibadan Imperial Bureau Imperial Entomological Conference important Insect and Pest insect pests insects affecting inspector investigations Island July July 13 June June 29 Kaslo laboratory Lake Lake Simcoe larvae Lethbridge Loew Metcalf Millarville moth Museum native nursery stock officers Ontario organisation Orillia Ottawa Ouellet parasites Peachland Pest Act pests plants present problems Prof Province Quebec regulations Report Ruhmann Sanson seed Sept Southern Nigeria species Spruce Brook stainers Strickland T. J. ANDERSON termites Toronto trees tropical tsetse tsetse-flies Vineland Walker Wallis Winnipeg
Pasajes populares
Página 8 - And these had the weather in their favour ; for it is an ill wind that blows no one any good ; and the rain that rains on the just and unjust seems to have a preference for the latter.
Página 1 - HOLLAND, WJ The Butterfly Guide; a pocket manual for the ready identification of the common species found in the United States and Canada.
Página 7 - Canada. selected series of hogs for the presence of this worm. The co-operation of the Health of Animals Branch of the Dominion Department of Agriculture was secured, and a letter was sent by the Veterinary Director General to six of the principal abattoirs in New Brunswick, Quebec, Ontario and Manitoba. It was realized that more than one year's work was involved in this investigation and, as a preliminary proceeding, only the six largest abattoirs...