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Mother Nature's house cleaner.

SCA32-GA18-4-870
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Some bug fallacies.

SCA32-GA18-4-871
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Conservation and our natural heritage.

SCA32-GA18-4-872
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Our dependence on birds and insects.

SCA32-GA18-4-873
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

The biological control of insect pests.

SCA32-GA18-4-874
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

How birds and insects work together.

SCA32-GA18-4-875
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

The teaching of nature study.

SCA32-GA18-4-876
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

The pearly fresh-water mussel and the pearl button industry.

SCA32-GA18-4-877
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Methods and matter in nature study.

SCA32-GA18-4-878
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

The ox warble flies.

SCA32-GA18-4-879
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Life cycle of broad tapeworm, Diphyllobothrium latum.

SCA32-GA18-4-881
File
[19--]

Part of John D. Detwiler fonds.

Untitled, illustrations for publication.

Detwiler, John D.

Fannia scaleris and Fannia canicularis.

SCA32-GA18-4-882
File
[19--]

Part of John D. Detwiler fonds.

Untitled ts., ms. notes, illustrations of aquatic insects.

Detwiler, John D.

Editorial : "To the editor of the Globe."

SCA32-GA18-4-883
File
[19--]

Part of John D. Detwiler fonds.

Ms. re stream health and environmental concerns in southwestern Ontario.

Detwiler, John D.

Notes on evolution.

SCA32-GA18-4-884
File
[19--]

Part of John D. Detwiler fonds.

Untitled ms. notes.

Detwiler, John D.

Speech notes : University of Western Ontario fundraising.

SCA32-GA18-4-885
File
[1929?]

Part of John D. Detwiler fonds.

Untitled ms. notes.

Detwiler, John D.

Speech notes : University of Western Ontario fundraising.

SCA32-GA18-4-886
File
[1929?]

Part of John D. Detwiler fonds.

Untitled ms. notes re UWO's place in the development and prosperity of southwestern Ontario.

Detwiler, John D.

SCA32-GA18-4-887
File
[19--]

Part of John D. Detwiler fonds.

Untitled ms. notes, 1 page.

Detwiler, John D.

SCA32-GA18-4-888
File
[19--]

Part of John D. Detwiler fonds.

Untitled ms. notes for a speech on nature given at a "rest home."

Detwiler, John D.

Notes on fraternities.

SCA32-GA18-4-889
File
[19--]

Part of John D. Detwiler fonds.

Untitled ms. notes, 2 p.

Detwiler, John D.

SCA32-GA18-4-890
File
[19--]

Part of John D. Detwiler fonds.

Ms. notes.

Detwiler, John D.

Evolution of the cosmos.

SCA32-GA18-4-891
File
[19--]

Part of John D. Detwiler fonds.

Ms. notes.

Detwiler, John D.

Environment of the farm : speech to Middlesex educational assembly.

SCA32-GA18-4-892
File
[19--]

Part of John D. Detwiler fonds.

Untitled ms.; p. 1-2 lacking.

Detwiler, John D.

SCA32-GA18-4-893
File
[19--]

Part of John D. Detwiler fonds.

Ms. speech notes.

Detwiler, John D.

SCA32-GA18-4-894
File
[19--]

Part of John D. Detwiler fonds.

Untitled ms. notes for an introduction and conclusion to a conference on conservation.

Detwiler, John D.

Parasitic infestations of fish.

SCA32-GA18-5-896
File
1940

Part of John D. Detwiler fonds.

Detwiler, John D.

The ox warble flies : radio talk.

SCA32-GA18-5-897
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Total food and fibre production of all lands in full production.

SCA32-GA18-5-898
File
1953

Part of John D. Detwiler fonds.

Detwiler, John D.

Conservation : the basis of human progress.

SCA32-GA18-5-899
File
[194-?]

Part of John D. Detwiler fonds.

Detwiler, John D.

The late Sir Charles Saunders.

SCA32-GA18-5-901
File
1950

Part of John D. Detwiler fonds.

Detwiler, John D.

Garden insects and the general principles of control.

SCA32-GA18-5-904
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Timely suggestions with reference to slath-borer injury caused in London this summer.

SCA32-GA18-5-905
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Taming the Thames : whose job is it?

SCA32-GA18-5-906
File
1945

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-5-907
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

What must we do to use South-western Ontario resources wisely?

SCA32-GA18-5-908
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-5-909
File
1938

Part of John D. Detwiler fonds.

Detwiler, John D.

Those awful starlings.

SCA32-GA18-5-910
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-5-911
File
1937

Part of John D. Detwiler fonds.

Detwiler, John D.

The Thames again in flood.

SCA32-GA18-5-913
File
1942

Part of John D. Detwiler fonds.

Detwiler, John D.

Birds and flowers.

SCA32-GA18-5-914
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Helpful insects.

SCA32-GA18-5-915
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

The care of house plants.

SCA32-GA18-5-916
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Entomology and the arts curriculum.

SCA32-GA18-5-917
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Insects and birds.

SCA32-GA18-5-918
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Reforestation and flood control.

SCA32-GA18-5-919
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-5-920
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-5-921
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

land-use adjustment in Southern Ontario.

SCA32-GA18-5-922
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Conservation : its meaning, objectives and our national organization.

SCA32-GA18-5-923
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Forest cover and water conservation.

SCA32-GA18-5-924
File
[193-]

Part of John D. Detwiler fonds.

Detwiler, John D.

Fundamentals in conservtaion education.

SCA32-GA18-5-925
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Utilization of the White memorial park for educational and scientific purposes.

SCA32-GA18-5-926
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Discussion of problems related to conservation.

SCA32-GA18-5-927
File
1949

Part of John D. Detwiler fonds.

Detwiler, John D.

The administration of the conservation of the natural resources of the Province of Ontario.

SCA32-GA18-5-928
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Planning in terms of the furure on the Ganaraska.

SCA32-GA18-5-929
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Notes on the myiasis of the urinary tract due to larvae of the genus Fannia (Diptera).

SCA32-GA18-5-930
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Christianity and science.

SCA32-GA18-5-931
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

The aesthetic appreciation of the farm.

SCA32-GA18-5-932
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Twenty minutes with the amateur gardener.

SCA32-GA18-5-933
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Timely hints to home gardeners.

SCA32-GA18-5-934
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Rehabilitation in Canada.

SCA32-GA18-5-935
File
[194-]

Part of John D. Detwiler fonds.

Detwiler, John D.

Conservation sublimated.

SCA32-GA18-5-936
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-5-937
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Conservation : a common need of both our countries.

SCA32-GA18-5-938
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-5-939
File
[19--]

Part of John D. Detwiler fonds.

Untitled ts.

Detwiler, John D.

SCA32-GA18-5-940
File
[19--]

Part of John D. Detwiler fonds.

Untitled ts.

Detwiler, John D.

Soil conservation.

SCA32-GA18-5-941
File
[19--]

Part of John D. Detwiler fonds.

Untitled ts.

Detwiler, John D.

Parental care by robins.

SCA32-GA18-5-942
File
[19--]

Part of John D. Detwiler fonds.

Untitled ts. : radio talk on nature in June.

Detwiler, John D.

Address at the Rehabilitation Through Conservation meeting, Orrawa, march 10, 1943.

SCA32-GA18-5-943
File
1943

Part of John D. Detwiler fonds.

Detwiler, John D.

Flood control in South-western Ontario.

SCA32-GA18-5-944
File
[19--]

Part of John D. Detwiler fonds.

Untitled tss.

Detwiler, John D.

Address on the history of the Conservation Commission of Canada and continuing need for its like.

SCA32-GA18-5-945
File
[19--]

Part of John D. Detwiler fonds.

Untitled tss.

Detwiler, John D.

Foreward[sic] and acknowledgements.

SCA32-GA18-5-946
File
[19--]

Part of John D. Detwiler fonds.

Ts. re Canadian Conservation Association.

Detwiler, John D.

Conservation and development of natural resources : post-war rehabilitation.

SCA32-GA18-5-947
File
1942

Part of John D. Detwiler fonds.

Untitled ts.

Detwiler, John D.

Conservation paper no. 2 : flood control / by John D. Detwiler.

SCA32-GA18-6-949
File
1938

Part of John D. Detwiler fonds.

On t.p. : Address given at the tenth annual convention, Ontario Federation of Anglers, Toronto, February 10th, 1938.

Detwiler, John D.

A reply to a toast to the faculty.

SCA32-GA18-7-954
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Parasitic infestations of fish.

SCA32-GA18-7-955
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Planning for conservation and for wildlife returns.

SCA32-GA18-7-956
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-7-957
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

The organization of a new society having to do with conservation.

SCA32-GA18-7-958
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Conservation and our natural heritage.

SCA32-GA18-7-959
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Conservation in Ohio.

SCA32-GA18-7-960
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-7-961
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Conservation and flood control.

SCA32-GA18-7-962
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Our dependence on birds and insects.

SCA32-GA18-7-963
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

SCA32-GA18-7-964
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

Afield with a naturalist.

SCA32-GA18-7-965
File
[19--]

Part of John D. Detwiler fonds.

Detwiler, John D.

United Nations Scientific Conference on the Conservation and Utilization of Resources.

SCA32-GA18-7-966
File
[1949]

Part of John D. Detwiler fonds.

Detwiler, John D.

Importance of science in education..

SCA32-GA18-7-967
File
[19--]

Part of John D. Detwiler fonds.

Unititled ts. speech notes.

Detwiler, John D.

Address to the Western Ontario Educational Assembly.

SCA32-GA18-7-968
File
[19--]

Part of John D. Detwiler fonds.

Unititled ts. speech notes.

Detwiler, John D.

Wildlife conservation, U.s. and Canada.

SCA32-GA18-7-969
File
[19--]

Part of John D. Detwiler fonds.

Unititled ts. notes, lacks p.1.

Detwiler, John D.

Applied biology courses and lectures.

SCA32-GA18-8-970
File
1920-1922

Part of John D. Detwiler fonds.

File consists of course outlines, lecture notes, exam questions, references, student attendance and marks for course on insects, including one titled "Friends and enemies of the garden." Includes two packages of hand-drawn pen and ink illustrations: "Wing venation" and "Morphology." Also includes a ts. (6 p., original): "Grasshopper."

Detwiler, John D.

Applied biology 460B

SCA32-GA18-8-971
File
1944-1946

Part of John D. Detwiler fonds.

File consists of one notebook of lecture notes and and includes course outline, student grades.

Detwiler, John D.

Applied biology course notes.

SCA32-GA18-8-972
File
1932-1937

Part of John D. Detwiler fonds.

File consists of one notebook of ms. notes in various pagings, some dated.

Detwiler, John D.

SCA32-GA18-8-973
File
[193-]

Part of John D. Detwiler fonds.

File consists of one package of course notes with title "Acarina" (mites and ticks.).

Detwiler, John D.

The Arthropods.

SCA32-GA18-8-974
File
1930-1931

Part of John D. Detwiler fonds.

File consists of one package of ms. notes in various pagings, some dated.

Detwiler, John D.

SCA32-GA18-8-975
File
1931-1933

Part of John D. Detwiler fonds.

File consists of one package of ms. notes in various pagings, some dated.

Detwiler, John D.

Applied Biology 400 : systematic synopses of acarina and crustacea.

SCA32-GA18-8-976
File
[193-?]

Part of John D. Detwiler fonds.

File consists of 4 carbon ts. leaves in tabular format.

Detwiler, John D.

Invertebrate zoology : lecture outline.

SCA32-GA18-8-977
File
[193-?]

Part of John D. Detwiler fonds.

Lecture outline, lacks p. 1.

Detwiler, John D.

Applied biology 400 and 460A.

SCA32-GA18-8-978
File
1920-1948

Part of John D. Detwiler fonds.

File consists of course materials: course descriptions, laboratory outline, illustrations, tables of classifications, etc. Untitled.

Detwiler, John D.

Applied biology 453B : fish and water.

SCA32-GA18-8-978
File
[193-?]

Part of John D. Detwiler fonds.

File consists of course materials: sample methods, references.

Detwiler, John D.

SCA32-GA18-8-980
File
1940-1941

Part of John D. Detwiler fonds.

File consists of ms. notes re Thames River flow and water samples (two leaves ).

Detwiler, John D.

Results 4601 to 4700 of 228595

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