Vol. 30 (1920)

Published: 1920-01-01

Academy Business

Constitution, By-Laws, Committees, Members, Spring Meeting Minutes, Winter Meeting Minutes, Winter Meeting Program

1-44
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Papers of the General Session

Ulysses Orange Cox (In Memoriam)

Barton Warren Evermann

45-49
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Bibliography

Indiana Academy of Science

50
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Presidential Address -- Biological Laws and Social Progress

H.L. Bruner

51-58
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Health Service at Purdue University

O.P. Terry

59-64
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Some Guesses by an Ignoramus

Robert W. McBride

65-68
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Report of a Study of Mental Ability of Children in One Orphans' Home in Indiana

Arthur H. Estabrook

69-70
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Tests of the Emotions

Sidney L. Pressey

71-74
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Undergraduate Research in Our Colleges and Universities

Horace A. Shonle

75-78
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State Archaeological Survey

Amos W. Butler

79-82
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Zoology

Whistling Swans (Olor Columbianus)

Etta S. Wilson

83-86
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Notes on the Termites of Indiana

Harry F. Dietz

87-96
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Abstract - The Freshwater Medusae of Boss Lake. Elkhart. Indiana

F. Payne

97-98
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Notes on Indiana Dragonflies

E.B. Williamson

99-104
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The Anatine Genus Nyroca and Its Nearest Allies

Harry C. Oberholser

105-114
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Some Observations on the Pythons

W. Henry Sheak

115-118
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Mallophaga of Our Native Birds

Edwin J. Kohl

119-134
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Some Rare Indiana Birds

Amos W. Butler

135-140
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Abstract - The Effect of Adrenin on the Pigment Migration in the Melanophores of the Skin and in the Pigment Cells of the Retina of the Frog

Andrew J. Bigney

141-142
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Botany

The Effect of Centrifugal Force on Plants

F.M. Andrews

143-146
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The Effect of Aeration on Plants

F.M. Andrews

147-148
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Phyllotaxis of Specularia Perfoliata

F.M. Andrews

149-150
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An Improved Method for Regulating the Thickness of Microtome Sections

F.M. Andrews

151-154
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Studies on Pollen, III

F.M. Andrews

155-156
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The Ustilaginales of Indiana, II

H.S. Jackson

157-164
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The Uredinales of Indiana III

H.S. Jackson

165-182
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A Convenient Laboratory Plant Press

H.S. Jackson

183-186
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Indiana Plant Diseases, 1920

Max W. Gardner

187-208
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Indiana Fungi -V

J.M. Van Hook

209-214
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The Pycnidium of Cicinnobolus

J.M. Van Hook

215-216
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A Tricotyledonous Bean

J.M. Van Hook

217-218
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Native Plants of White County --III

Louis F Heimlich

219-224
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Plants New to Indiana --IX

Chas. C. Deam

225-228
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A Species of Cuscuta Not Hitherto Reported from Indiana

T.G. Yuncker

229-230
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A List of Indiana Mosses

T.G. Yuncker

231-242
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A Curious Variation in the Common Milkweed

C.A. Ludwig

243-246
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Geology and Geography

Some Evidence Indicating the Importance of Frost Action in Widening Valleys

Glenn Culbertson

247-248
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Planation Stream Piracy

Clyde A. Malott

249-260
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Physics and Chemistry

What Puts "Pop" in Pop Corn?

R.H. Carr, E.F. Ripley

261-270
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Recent Progress in the Use of Ozone in Ventilation

F.O. Anderegg

271-274
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Training Reserach Chemists in Indiana

E.G. Mahin

275-280
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Slow Recovery and Permanent Set in Copper, Aluminum, and Lead

Albert E. Woodruff

281-286
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A Resistance Radio Telephone

R.R. Ramsey

287-288
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Note on Antennae Resistance

R.R. Ramsey

289
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A Long Wave Receiver

R.R. Ramsey

289-290
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Additional Titles

Segregation and Recombination of the Genes for Tinged, Blood, Buff and Coral in Drosophila Melanogaster

Roscoe R. Hyde

291-300
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Behavior of the Gene for the Mutant Curved for Drosophila Melanogaster in Crosses Involving Genes in the Same and Other Chromosomes

Roscoe R. Hyde

301-314
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Notes on the Birds of Carroll, Monroe, and Vigo Counties, Indiana

Barton Warren Evermann

315-402
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Back Matter

Index

403-407
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