Miscellaneous Intelligence. 367 



Isabelle F. Hyams and Ellen H. Richards: On the composition of Oscil- 

 laria prolifica and its relation to the quality of water supplies. 



Chas. L. Parsons: The Le Seuer electrolytic process for the production of 

 caustic soda and bleaching powder. Review of the electrolytic processes for the 

 production of caustic soda and bleaching powder. 



E. G. Smith: The alum question in water purification. 



C. F. Mabery and K. Landgrebe : The effect of an electrolytic bath on the 

 tanning of leather. 



Wji. McMurtrie : Some records of the year's progress in applied chemistry. 



Bruno Terne : The progress in utilization of city garbage, with Special refer- 

 ence to the new plant in Boston. 



C. F. Mabery and E. B. Baltzly : On the removal of hardness from water 

 for boiling purposes. 



S. M. Babcock and H. L. Russell: On the properties of galactose. 



0. W. Smith and Norman Parks: Composition of Ohio wines. 



Romeyn Hitchcock : New process for the commercial production of oxygen. 



H. A. Weber: Light: a factor in sugar production. 



J. B. Lindsay : The determination of starch in agricultural products. 



E. W. Hilgard : A note on the growth of lupins on calcareous lands. 



E. A. de Schweinitz: Some of the important results of the recent chemical 

 investigations of plant and animal cells. 



F. P. Venarle : The use of the formula iu teaching chemistry. 

 Ira Remsen: The teaching of organic chemistry. 



Edward Hart: The teaching of industrial chemistry. 

 Wm. L. Dudley : The teaching of analytical chemistry. 



Section D. Mechanical Science and Engineering. 



C. L. Crandall: The determination of the lamp-hours per day available for 

 electric lighting from a storage battery plant driven by a 12-foot Aer-motor. 



F. H. Newell: Instruments and methods of hydrographic measurements by 

 the United States Geological Survey. 



Charles D. Walcott: The development of the topographic work of the 

 United States Geological Survey and its application to the solution of economic 

 and engineering problems. 



Chas. L. Norton: On the testing of steam pipe covers. 



J. B. Johnson : Time test on dry long leaf yellow pine lumber in compression 

 endwise. Some micro-photographs, showing the grains of Portland cement 

 between diameters 002""" and 0*14. ,nm as separated by the Scheme washing appa- 

 ratus. 



Charles F. Warner : High speed influence machines. 



Carl Kinsley: Proposed methods of determining the frequeucy of alternat- 

 ing currents. 



Romeyn Hitchcock: The theory of half-tone press printing. 



John J. Flatuer: A combined absorption aud transmission dynamometer. 



F. C. Wagner: On the use of a platinum resistance as a pyrometer in boiler 

 tests. On the measurement of train resistance by dynamometer. 



Thomas Gray : Note on a curious example of elastic eolotropy in steel. An 

 integrating dynamometer for measuring the work done in drawing a train. A 

 comparison of the efficiency of the rheostat and the series-parallel controller for 

 electric cars. 



Storm Bull: The efficiency of refrigerating plants. 



L. G. Carpenter: On the evaporation and seepage from reservoirs. Losses 

 from rivers. Energy received from the sun. 



Wm. Kent : Some notes on definitions of mechanical unit. 



Section E. Geology and Geography. 



B. K. Emerson: Outline map of the geology of Southern New England. 

 H. L. Fairchild: Basins in glacial lake deltas. 



A. 0. Hamlin: An exhibition of the rare gems and minerals of Mt. Mica. 



C. H. Hitchcock : The Hudson River lobe of the Laurentide ice-sheet 

 Arthur Hollick : The age of the Amboy clay series as indicated by its flora. 

 T. C. Hopkins ; The origin of the limonite ores of Nittany Valley, Pennsyl- 

 vania. 



