

CONTENTS. 



Page 



Officers 2 



Minutes of Springfield Meeting, 1909 5 



Newly Elected Members 9 



Resolution Concerning State Museum 1^ 



Papers — 



Native Trees of Morgan County — Isabel S. Smith 15 



Vegetational History of a River Dune — Henry Allan Gleason 19 



Some Observations on Robin Nests — Fred L. Charles 27 



Cliff Flora of JoDaviess County — H. S. Pepoon 32 



Clay Seams in Number Five Coal Bed, Springfield — T. E. 



Savage 38 



Hardness of Illinois' Municipal Water Supplies — Edward 



Bartow 45 



Electrolytic Separation of Metals — Albert Carver 52 



Symposium — 



State Laboratory of Natural History and State Entomologist's 



Office — Stephen A. Forbes 54 



State Water Survey — Edward Bartow 68 



State Highway Commission — A. N. Johnson 71 



Work of the State Geological Survey— Frank DeWolf 74 



Scientific Activities of State Natural History Mtiseum — A. R. 



Crook 71 



Addresses at the Chamber of Commerce Banquet — 



Introduction of the Toastmaster by President of Chamber of 



Commerce — E. A. Hall 83 



Toastmaster's Remarks — F. G. Blair 83 



Botany and Commerce — William Trelease 84 



Science and Transportation — W. F. M. Goss 90 



Illinois: With or Without Science — R. O. Graham 95 



The Relations of Sciences to Each Other — Henry Crew 100 



Council Meeting, Chicago, November 1, 1909 — A. R. Crook... 104 



Constitution and By-Laws 105 



Membership List 108 



Index 115 



