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Apparatus to Illustrate Boyle’s Law, by F. M. Andrews.............. 369 
Some Monstrosi ies in Plants, by F. M. Andrews.................... 373 
A List of Algae (Chiefly from Monroe Co., Ind.) by F M. Andrews..... 375 
Additions to Indiana Flora, Number 4, by Charles C. Deam.......... 381 
Right and Wrong Conceptions of Plant Rusts, by J. C. Arthur........ 383 
The Effect of Preservatives on the Development of Penicillium, by 
Katherme Golden Biting s 25S...) sn less eee Si n0-s eee 391 
Further Notes on Timothy Rust, by Frank D. Kern................. 417 
The Woodlot for Central Indiana, by E. C. Pegg and M. B. Thomas... 419 
Recent Work in Wood Physics, by W. K. Hatt. ..... 2... J is.6te ee 441 
Forest Conditions in Indiana, by Stanley Coulter.................... 447 
1BaVG epres Gite aye ks aR IR Sere ENE SN ORE os NE 2 Sa aE OR A Re es 463 
