28 
13. 
14. 
15. 
AG. 
“Al 
*18. 
19. 
20. 
21. 
22. 
A Proposed Notation for the Geometry of the Triangle, 5 m., 
a ene eee RUE ER cee WR Le NCTE Lt Roe Sod MGR, See MPS ee Sah ENE evar es R. J. Aley 
Some Circles Connected with the Triangle, 8 m........... R. J. Aley 
The Point P and Some of its Properties, 8m.............. R. J. Aley 
Applications of Group Theory, 5 m.................. D. A. Rothrock 
Singularities of Certain;Continuous Groups, 5 m...... EK. W. Rettger 
On a Family of Warped Surfaces Connected by a Simple 
Functional Relation, 20 m...C. A. Waldo and B. C. Waldenmaier 
MTAMOnN dH TUOTESCEM GEN MOMMA erereteleesye wiles cuss tereua lene ieker ene os A. L. Foley 
Some Experiments on Locomotive Combustion, 10 m..J. W. Shepherd 
CHEMISTRY. 
Some Ionization Experiments, 10 m.................s.. P. N. Evans 
Synthesis of the 2-3, 3-Trimethyl cyclopentanone, a cyclic 
derivative ot OCamphory VOC ej. svete charters ors ensjenl eel ‘.W. A. Noyes 
BOTANY. 
Contributions to the Flora of Indiana, VI, 10 m...... Stanley Coulter 
Some Unrecognized Forms of Native Trees, 10 m....Stanley Coulter 
Seedlings of Certain Native Herbaceous Plants, 10 m........ 
...... stanley Coulter and Herman Dorner 
The Resin Ducts and Strengthening Cells of Abies and Picea, 
STAT “faye tarcecsoichartitatetae store es clones Onecare oath Ste eatertietepeye ae Herman Dorner 
Karyokinesis in Magnolia with Special Reference to the Be- 
havior of the Chromosomes, 10 m................ ¥. M. Andrews 
A Proteolytic Enzyme of Yeast, 15 m.......... Katherine E. Golden 
Saccharomyces anomalus Hausen (7), 10 m..... Katherine E. Golden 
Some Problems in Corallorhiza, 8m.................. M. B. Thomas 
Disappearance of Sedum ternatum, 5m..............M. B. Thomas 
ZOOLOGY. 
The Kankakee Salamander 5 mie. tej. 2 se eevee ate cne tT. HH: Bail 
The Bye -ok the: Mole, rms. tte nierisie wicrcstae cierevohetsiersnee J. R. Slonaker 
Notes on dmaisinsh Bimids. Omi ae vices sie terete eels che eae ore A. W. Butler 
Biological Conditions of Round and Shriner Lakes, Whitley 
County, Timid tania, sl'Os Ws Feet cle sac ovecele ies siete dai eee E. B. Williamson 
* Author absent, paper not presented. 
