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19. 
PAPERS TO BE READ 
GENERAL 
A Memoirot DonaldsomBodime.=.-- eects oe eee H. W. ANDERSON 
a Memoirol Josiahw it Scovel. 20) min 3p ee es cee CuHarRLeEs R. DryErR 
Twelve of Nature’s Beauty Spots in Indiana, 45 min., lantern, 
Epwarp BARRETT 
Concerning the Report of the Survey of Lake Maxinkuckee, 
ACOETTRDYA Pee Gan parce A eae Bey ce Sete sts om Oe a NS Amos W. BuTtLER 
. A Field Trip in General Science, 15 min............ B. H. ScuocKEn 
3. The Tobacco Problem (abstract) 20 min............ Ropert HEeSsSLER 
ANATOMY 
. Histological Changes in Testes of Vasectomized Animals, 
IO Riga vh ek gh een kooee en ies eee. Oe SNR ER, ae, Teen MPa. ye Burton D. Myers 
BACTERIOLOGY 
. The Minimum Lethal Infecting Dose of Trypanosomes, 
SEIU eee an 2 1ce RM ee ee ee ee ee tae) eet ce C. A. BEHRENS 
. Tolerance of Soil Bacteria to Media Variations, 20 min...H. A. Noyrs 
BovTany 
. Some Methods for the Study of Plastids in Higher Plants, 
PURE is go ace fades tos 2 PE OW meio os ORE ee D. M. MortiEr 
. The Morphology of Riecia fluitans,5 min.............. FreD DoNAaGHy 
Plants not Hitherto Reported from Indiana. VI. 
MADE hastens te os SEE os ete eM Met tge pace ie te SU Che PE Cuas. C. DEAM 
Pndiansypemeit-s! Tiles i nrnitine occ Sree eee ee J. M. Van Hook 
. The Second Blooming of Magnolia soulangiana, 5 min..D. M. Morrrer 
5. Additional Notes on Rate of Tree Growth, 10 min. .STaNLEY COULTER 
. The Effect of Centrifugal Force on Plants, 15 min...... F. M. ANDREWS 
. Some Preliminary Notes on the Stem Analyses of White Oak, 
LOMMINA ee en. cee nee hae tas eee: Bure N. PRENTICE 
. Botanic vs. Biologic Gardens. Illustrated by Specimens, 
LO panies oo seek ote ee elm ce. aera Rospert HESSLER 
CHEMISTRY 
Soluble Salts of Aluminum in Water from an Indiana Coal 
IVINS ESE: oes cee co ae ee ee eee et ee S. D. CONNER 
