TABLE OF CONTENTS. 



Page. 



Letter of transmittal Ill 



Michigan Flora, fern and seed plants growing witlioiit cultivation. W. J. Beal 1 



Introduction 3 



Table of contents 7 



Bibliography 9 



Index 137 



The topographic survey of Michigan, Presidential address. Israel C. Russell. 1903 110 



Flora of Michigan. Diatomaceae. H. II. Chase 16G 



'J'he lichen genus. I'hyscia, B. E. Bogue 170 



Notes on Michigan snakes, H. L. Clark 172 



Variations in the common garter snake. W. L. Sperry 175 



The chemical industries of Michigan, A. II. White ISO 



Historical review of the geology of Michigan A. C. Lane 184 



Abram Sager, A. M., M. D., V. C. Vaughan 196 



Corydon L. Ford, M. D., LL. D., V. C. Vaughan 198 



Variation and correlation in the earthworm, Raymond I'earl and ^^ ilbur N. Fuller 200 



Variation and correlation in Arcella. Raymond I'earl and Frances J. Dunbar....' 202 



Dairy inspection, C. E. Marshall 20.5 



Studies in denitrification, S. F. Edwards - 208 



The question of water-absorption by foliage leaves, .1. B. Daudeno 213 



Preparation for dissecting pans, S. O. Mart 2M 



The limits of difference in specific and subspecifie distinctions. II. L. Clark 216 



The social phase of the rural problem, K. L. Butterfield 219 



Forestry from an economic standpoint, E. E. Bogue 223 



The scope of the agricultural section of the State Academy of Science. W. J. Beal 22.5 



Present methods of teaching soils, J. A. Jeffery 227 



Economics of horticulture, I'. P. Iledrick 230 



What organization has actually achieved for the American farn:er. .T. K. Campbell 235 



Helps to the high school teachers who teach natural science. W. .1. Beal 236 



How I know some of our trees in winter, W. .7. Beal 237 



List "of officers of academy, 1902-3 239 



Program of ninth annual meeting 240 



general session 240 



section of agriculture v 240 



botany 241 



geology and geography 241 



sanitary science 242 



zoology 242 



science teaching 243 



Biological conference of the Schoolmasters' Club .• 244 



General index 245 



