Vol. 99 No. 1 (1990)

Published: 1990-01-01

Front Matter

EDITOR, ASSOCIATE EDITOR, EDITORIAL BOARD, EXECUTIVE COMMITTEE

Indiana Academy of Science
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Botany

A CRITIQUE OF THE THEORETICAL BASIS OF LEAF MARGIN ANALYSIS

G. E. Dolph

1-10
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A COMPILATION OF PLANT DISEASES AND DISORDERS IN INDIANA—1989

G. E. Ruhl, D. H. Scott, P. C. Pecknold, R. X. Latin, K. K. Rane

11-18
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Cell Biology

INVESTIGATION OF UTERINE PROGESTERONE RECEPTORS IN RATS DURING ALTERED THYROID ACTIVITY

R. L. Brooks, J. P. Holland

19-24
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Entomology

OBSERVATIONS ON PERIODICAL CICADAS (BROOD XXIII) IN INDIANA IN 1989

F. N. Young, G. Kritsky

25-28
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Environmental Quality

PREDICTIVE ABILITIES OF ENVIRONMENTAL PROTECTION AGENCY SUBCHRONIC TOXICITY TEST ENDPOINTS FOR COMPLEX EFFLUENTS

T. P. Simon, A. Lubin, F. Le Curieux

29-38
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Geology and Geography

INFLUENCES ON THE POSITION OF CHESTERIAN SAND BELTS IN INDIANA

J. B. Droste, A. S. Horowitz

39-46
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NEW QUATERNARY GEOLOGIC MAP OF INDIANA—AN INTRODUCTION

H. H. Gray

47-52
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THE GEOLOGIC MAPS OF RYLAND T. BROWN, 1865-76

H. H. Gray, J. R. Tankersley

53-62
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Physics

SELLING PHYSICS ON TELEVISION AND IN THE CLASSROOM

N. Carlson, R. Howes, T. McBride, B. Pitts, C. Weyers

63-66
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Plant Taxonomy

ADDITIONS TO THE FLORA OF SOUTHERN INDIANA, IV

M. A. Homoya, C. L. Hedge

67-72
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Science Education

THE LABORS OF HERCULES OR THE PATIENCE OF PENELOPE?

C. M. Boener

73-98
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HYDRA AND PLANARIA CULTURE: PRACTICAL APPLICATIONS FOR TEACHERS

D. A. Jones

99-106
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Soil and Atmospheric Sciences

RELATION OF CATION EXCHANGE CAPACITY TO CLAY AND ORGANIC CARBON CONTENTS OF INDIANA SOILS

D. P. Franzmeier, G. C. Steinhardt

107-112
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Zoology

QUATERNARY DISTRIBUTION OF THE TIMBER RATTLESNAKE (Crotalus horridus) IN SOUTHERN INDIANA

R. L. Richards

113-122
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THE GOLDFINCH DATING GAME

M. C. Wilson, D. J. Watt

123-128
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Back Matter

INSTRUCTIONS FOR AUTHORS, TABLE OF CONTENTS
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