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An Hlevated Beach and Recent Costal Plain, near Portland, 
MeanTeS ONMNs Same Aes cte Site ssc ce tie Teen eee es Wim. A. McBeth. 
Nias ved shmenssys 1 Omen. os ate ast elet oe ah vic ro wrest abe Ore J. L. Campbell. 
PAV IES UEDA Mery CL Ove (MIM mmaenteicrsrebcocteie tates ane cle a cietays’s flee os C. A. Waldo. 
Reaver DranSPAaLeney- MOMs seuycm ccs oie ss eles ees Arthur L. Foley. 
The Trouble with Indiana Roads, illustrated with lantern slides, 
OMIA EA EOE PETS OO OS TS NOS SE OE omen D. B. Luten. 
MATHEMATICAL AND PHYSICAL SUBJECTS. 
Somenlests one allebearings) lay meso eo eee ee M. J. Golden. 
Further Studies in the Propagation of Sound, 20 m..A. Wilmer Duff. 
The Intensity of Telephonic Sounds, 5 m........... A. Wilmer Duff. 
The Distance to which Small Disturbances Agitate a Liquid, 
IS) Teng Alec ata btiesoene ot 8 be RCRA DEE cS eens ea rea A. Wilmer Duff. 
A Case of Diamond Fluorescence, 5 m..........:...... A. L. Foley: 
The Evaporation of Water Covered with a Film of Oil, 10 m. 
A. Wilmer Duff. 
A Note on Temperature Co-efficient of Electrical Conductivity 
One etrolyses eelORM cy. coe ciara ore ka dee wis ae were we Arthur Kendrick. 
MEV AV Selle SULLY. Vol OUMMexs ct ene o ten aie eee tess A. L. Foley. 
A Common Text-book Error in the Theory of Envelopes, 10 m. 
Arthur S. Hathaway. 
A New Triangle and some of its Properties, 10 m........ R. J. Aley. 
Note on Angel’s Method of Inscribing Regular Polygons, 8 m., 
Ree Alley, 
Concurrent Sets of Three Lines Connected with the Triangle, 
PAD: TOD) yt SCR PSE ROPELSTAIC Ici Ga EC ICONS ark thee aPC NR Ae Atak ie hl a R. J. Aley. 
Note on ‘Note on Smith’s Definition of Multiplication,’ 1 m., 
A. L. Baker. 
The Geometry of Simson’s ine, 25 mis... .2.4.0.....5. C. E. Smith. 
A Bibliography of Foundations of Geometry, 5 m....M. C. Bradley. 
Point Invariants for the Lie Groups of the Plane, 10 m. 
. D. A. Rothrock. 
Differential Invariants Derived from Point Invariants, 10 m., 
D. A. Rothrock. 
Mathematical Definitions. 10 smisemas se cee & oes te - Moses C. Stevens. 
