Vol 99, No 1 (1990)

Table of Contents

Front Matter

EDITOR, ASSOCIATE EDITOR, EDITORIAL BOARD, EXECUTIVE COMMITTEE PDF
Indiana Academy of Science

Botany

A CRITIQUE OF THE THEORETICAL BASIS OF LEAF MARGIN ANALYSIS PDF
G. E. Dolph 1-10
A COMPILATION OF PLANT DISEASES AND DISORDERS IN INDIANA—1989 PDF
G. E. Ruhl, D. H. Scott, P. C. Pecknold, R. X. Latin, K. K. Rane 11-18

Cell Biology

INVESTIGATION OF UTERINE PROGESTERONE RECEPTORS IN RATS DURING ALTERED THYROID ACTIVITY PDF
R. L. Brooks, J. P. Holland 19-24

Entomology

OBSERVATIONS ON PERIODICAL CICADAS (BROOD XXIII) IN INDIANA IN 1989 PDF
F. N. Young, G. Kritsky 25-28

Environmental Quality

PREDICTIVE ABILITIES OF ENVIRONMENTAL PROTECTION AGENCY SUBCHRONIC TOXICITY TEST ENDPOINTS FOR COMPLEX EFFLUENTS PDF
T. P. Simon, A. Lubin, F. Le Curieux 29-38

Geology and Geography

INFLUENCES ON THE POSITION OF CHESTERIAN SAND BELTS IN INDIANA PDF
J. B. Droste, A. S. Horowitz 39-46
NEW QUATERNARY GEOLOGIC MAP OF INDIANA—AN INTRODUCTION PDF
H. H. Gray 47-52
THE GEOLOGIC MAPS OF RYLAND T. BROWN, 1865-76 PDF
H. H. Gray, J. R. Tankersley 53-62

Physics

SELLING PHYSICS ON TELEVISION AND IN THE CLASSROOM PDF
N. Carlson, R. Howes, T. McBride, B. Pitts, C. Weyers 63-66

Plant Taxonomy

ADDITIONS TO THE FLORA OF SOUTHERN INDIANA, IV PDF
M. A. Homoya, C. L. Hedge 67-72

Science Education

THE LABORS OF HERCULES OR THE PATIENCE OF PENELOPE? PDF
C. M. Boener 73-98
HYDRA AND PLANARIA CULTURE: PRACTICAL APPLICATIONS FOR TEACHERS PDF
D. A. Jones 99-106

Soil and Atmospheric Sciences

RELATION OF CATION EXCHANGE CAPACITY TO CLAY AND ORGANIC CARBON CONTENTS OF INDIANA SOILS PDF
D. P. Franzmeier, G. C. Steinhardt 107-112

Zoology

QUATERNARY DISTRIBUTION OF THE TIMBER RATTLESNAKE (Crotalus horridus) IN SOUTHERN INDIANA PDF
R. L. Richards 113-122
THE GOLDFINCH DATING GAME PDF
M. C. Wilson, D. J. Watt 123-128

Back Matter

INSTRUCTIONS FOR AUTHORS, TABLE OF CONTENTS PDF