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Volume 41, Annual Issue (1934)

Front Matter

General Interest Articles

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In Memoriam: Thomas Huston Macbride; Henry Fredrick Wickham; Herbert Grant Campbell; Omar E. Lowman; Floyd August Nagler p. 33-46
B. Shimek, Frank A. Stromsten, T. C. Stephens, R. M. Hixon, F. E. Brown, and S. M. Woodward

Research

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Some Factors Influencing the Respiration of Rhizobium p. 63-70
D. Wynne Thorne and R. H. Walker

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Fermentation of Artichokes p. 75-78
Howard Reynolds and C. H. Werkman

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Notes on Iowa Mosses - VI p. 97-102
Lucy M. Cavanagh

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The Mosses of Southwestern Iowa p. 105-106
Geneva Sayre and H. S. Conard

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The Foliar Embryos of Tolmiea Menziesii p. 111-111
John A, Yarbrough

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The Basidium p. 112-113
Donald P. Rogers

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A Variant Quercus alba L. p. 114-114
J. N. Martin

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The Chemical Bond in General Chemistry p. 139-139
Ben H. Peterson

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The Thermal Decomposition of Hexane at High Pressures p. 139-140
J. N. Pearce and J. W. Newsome

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The Dipole Moments of Certain Organic Compounds p. 141-142
J. N. Pearce and L. F. Berhenke

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The Effect of Fluorine on Blood and Respiration p. 143-147
D. A. Greenwood, E. A. Hewitt, and V. E. Nelson

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Studies on Vitamins B and G p. 149-152
J. F. Feaster and V. E. Nelson

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The Removal of Fluorine from Drinking Waters in the State of Iowa p. 153-156
C. A. Kempf, D. A. Greenwood, and V. E. Nelson

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Aluminum in Nutrition p. 161-164
H. H. Keil and V. E. Nelson

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Orientation in the Dibenzofuran Series p. 166-167
W. G. Bywater, E. W. Smith, G. E. Brown, and H. Gilman

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The Oxidation of Glucose by Rhizobium meliloti p. 167-168
O. R. Neal and R. H. Walker

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Alcohol Motor Fuels p. 168-169
Leo M. Christensen, R. M. Hixon, and E. I. Fulmer

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The Alkaline Decomposition of Wool Keratin p. 170-170
Mildred Barr and Rachel Edgar

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Hydrolysis Velocity of Ketimines - Steric Hindrance Effect p. 170-171
J. B. Culbertson, William Reynolds, and Clarence Main

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Behavior of Bromine Derivatives of Guaiacol toward Nitrating Agents p. 171-171
L. Chas. Raiford and R. E. Silker

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The Acid and Alkaline Hydrolyses of silk Fibroin p. 171-172
Eunice Walde and Rachel Edgar

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Hydrolysis of Phenyl Furyl Ketimine - The Relative Negativity Effect p. 172-172
J. B. Culbertson and Leonard Hines

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The Production of Kynurenic Acid from Tryptophane and Indole Derivatives p. 174-175
Lyle C. Bauguess and Clarence P. Berg

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The Hampton Tusk p. 191-197
Emmett J. Cable

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Utilization of the Navajo Country p. 215-237
Albert B. Reagan

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Extent of Patrician Glaciation p. 240-240
Charles Keyes

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What is the Loveland Loess? p. 240-241
Charles Keyes

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An Experiment in Gravitation p. 247-247
W. H. Kadesch and R. D. Huntoon

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A Mechanical Method for the Analyisis of Complex Spectra p. 252-252
J. V. Atanasoff and A. E. Brandt

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Serviceable Homemade Apparatus p. 254-254
E. Hobart Collins

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A Study of Laboratory Teaching p. 255-255
J. W. Woodrow

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Electron collisions in Mercury Vapor - The 9.8 Volt Loss p. 257-257
C. L. Cross and John A. Eldridge

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Measurement of Aesthetic Interests p. 275-279
Alvhh R. Lauer

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A Criterion of Driving Ability p. 281-283
Earl L. Allgaier

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Course Content and Objectives p. 285-286
Reuel H. Sylvester

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Tonal Quality of Orchestral Instruments p. 299-299
D. A. Rothschild

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Effects of Ultracentrifuging on Certain Cell Structures p. 313-313
R. L. King and H. W. Beams

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Seasonal Variation in Birds p. 314-315
Emil Witschi

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Some Factors in Radiosensitivity p. 315-315
T. C. Evans

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The General Morphology of the Elasmobranch Hypophysis p. 301-304
H. W. Norris and Jack Maxfield

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