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Detwiler, John D.
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Forbes, Stephen A.

File consists of seven items:

  • Forest and Stream in Illinois (1918);
  • The Humanizing of Ecology (1921);
  • An Illinois State Forestry Survey (1919);
  • Insect Pests (1920);
  • The Life Cycle of Insects; General Discussion (1919);
  • List of Illinois Crustaces [19--];
  • The State Natural History Survey (1918).

Detwiler, John D.

Applied biology courses and lectures.

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.

Insect ecology.

File consists of tss. sent to J.D. Detwiler by James G. [Nerdham?] of Claremont, California, consisting of material used for his courses in animal ecology; also includes ts. of carbon of his book in preparation on the same topic.

Detwiler, John D.

Prince, Edward E.

File consists of two items:

  • Department of Marine and Fisheries: the Biological Board of canada (1923);
  • Territorial waters and a sugggested extension of the three-mile limit (1919).

Detwiler, John D.

Payne, F.F.

File consists of three items:

  • Phrenological observations [1918] (1920);
  • Phrenological observations, Canada, 1920 (1921);
  • Phrenological observations, Canada, 1922 [presented by Mr. E.G. McDougall] (1924)

Detwiler, John D.

Werner, W.H. Reginald.

File consists of one item:
Observations of the life-historyand control of the fern scale, Hemichionaspis aspidistrae Sign. (1930).

Detwiler, John D.

The Arthropods.

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

Detwiler, John D.

Werner, W.H.R.

File consists of one item:
Observations on the Life-History and control of the Fern Scale, Hemichionaspis Aspidistrae Sign (1931).

Detwiler, John D.

Fish Hatchery Investigations

Series consists of material relating to fish hatchery investigations and brook trout feeding experiments carried out by Dr. John D. Detwiler from 1920-1932 in Ontario. Includes notebooks, diaries, reviews of activities, minutes, correspondence, etc.

Detwiler, John D.

Fish hatchery investigations.

File consists of material relating to fish hatchery investigations carried out by Dr. John D. Detwiler in 1930-1932. Includes a ts. outline of purpose and hatcheries to be visited, ms. notes concerning route and information about hatcheries to be visited, ms. reports on individual hatcheries at rearing stations at Sault St. Marie, Port Arthur, Dorion. Includes ms. notes, correspondence.

Detwiler, John D.

Fish hatchery investigations.

File consists of material relating to fish hatchery investigations carried out by Dr. John D. Detwiler in 1930-1932. Includes a ts. outline of pupose and hatcheries to be visited. Includes ms. notes, corrspondence, receipts and expense lists.

Detwiler, John D.

Crustacea.

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

Detwiler, John D.

Jarvis, Tennyson D.

File consists of four items:

  • The coincidence as a major factor in agriculture (1931);
  • The environmental coincidence as a factor in incidence and control of plant diseases (1932);
  • The fundamentals of an agricultural research programme (1931);
  • A rational approach to problems of land settlement and utilization (1935).

Detwiler, John D.

Worthley, L.H.

File consists of one item:
Dutch Elm Disease Eradication Activities in 1936 (1936).

Detwiler, John D.

Bates, C.G.

File consists of one item:
Reforestation and Flood Control (1938).

Detwiler, John D.

Nesbit, Ray J.

File consists of one item:
Wildlife Management in the Muskingum Watershed Conservancy District (1938).

Detwiler, John D.

Unidentified authors.

File consists of one item:
The Role of the National Youth Administration in Soil Conservation (1938).

Detwiler, John D.

Acarina.

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

Detwiler, John D.

Wiebe, A.H.

File consists of one item:
density currents in Norris Reservoir (1939).

Detwiler, John D.

Clarke, C.H.D.

File consists of one item:
Sanctuaries of the Northwest Territories Wildlife Investigation in Banff National Park (1939).

Detwiler, John D.

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