TABLE OF CONTENTS 



PAGE 



Officers and Committees for 1921-1922 5 



Past Officers of the Academy 6 



Report of the Secretary 9 



Minutes of the Fourteenth Annual Meeting 11 



Treasurer's Report 17 



Papers of General Interest: — Invitation Addresses: 



Some Events in the Geological Hist on- of Southern Illinois: Stuart 



Weller. University of Chicago 21 



The Geography of the Ozarks: Frank H. Colyer. Southern Illinois 



State Normal University. Carbondale 36 



Undevelop>ed Resources of Southern Illinois: R. B. Miller. State 



Forester. Natural History Suney Di^^sion. Urbana 45 



The Lore of the Southern Illinois Ozarks: Qarence Bonnell, Town- 

 ship High School, Harrisburg 50 



Papers on Biology and Agricultlue: 



Some Plants of the Bois Fort Indian Reservation and ^ icinity in 



Minnesota: Albert R Reagan. Kayenta. Arizona 61 



A Trip Among the Bird Islands of the Pacific Coast of Washington: 



Albert B. Reagan. Kayenta, Arizona 71 



Preliminary Report of the Bogs of Northern Illinois: W. G. Water- 

 man. Northwestern University. Evanston 79 



Note on Juvenile Leaves in Thuja Occidentalis: W. G. Waterman. 



Northwestern University. Evanston 85 



A Preliminan- Key to Some Forest Tree Roots: W. B. McDougall. 



University of Illinois, Urbana 87 



Forest Conditions in Alexander County. Illinois: R. B. MiUer. State 



Forester, Urbana. and Geo. D. Fuller. University of Chicago.... 92 

 Growth as Related to Specific Gravity and Size of Seed: Mary E. 



Renick, Illinois State Normal University. Normal 109 



A Metrical Study of a Thousand Moth Cocoons: E. R. Downing. 



University of Chicago' 140 



The Agricultural Significance of the Tight Gay SubsoU of Southern 



Illinois: lU S. SmitL Agricultural College, University of Illinois. 



Urbana. and F. A. Fisher. Farm Advisor. Wabash County. Illinois 142 

 The Plant Ecology- of the Rock River Woodlands of Ogle County, 



Illinois: H. De Forest. University of Chicago, 1920 152 



Papers on Geology and Geography: 



New Species of Devonian FossUs from Western Illinois: T. El Savage. 



University of Illinois. Urbana 197 



Work of the Illinois State Geological Survey: James H. Hance, State 



Geological Sur\ey. Urbana 207 



The Glacial History- of the Sangamon River Valley at E>ecatur and its 



Bearing on the Resenoir Project: Morris M. Leighton. State 



Geological Survey. Urbana 213 



The Effects of Faults and Dikes in the Saline County Coal Field: 



Clarence BonneU, Harrisburg Township High School, Harrisburg 219 



