290 KANSAS CITY REVIEW OF SCIENCE. 



duction, H. S. Carhart. Description of a Galvanometer for demonstrating the 

 internal current transmitted through the Hquid within a Voltaic cell, Conrad W. 

 Cooke. On the variation of the resistance of Carbon under pressure, T. C. Men- 

 denhall. Determination of the co-efficient of the speculum metal used for Pro- 

 fessor Rolan's grating, William A. Rogers. Additional observations confirming 

 the relation: Metre des archives=Imperial yard plus 3.37027 inches, William A. 

 Rogers. A spectrophotometric study of pigments, Edward L. Nicolls. On the 

 sensitiveness of the eye to colors of a low degree of saturation, Edward L. Nicolls. 

 Sensitiveness of photographic dry plates, WilHam H. Pickering. Photography 

 of the infra-red region of the spectrum, William H. Pickering. Method for prac- 

 tical examination of railway employees as to color-blindness, acuteness of vision 

 and hearing; with the results obtained by it, on the Pennsylvania Railroad, Will- 

 iam Thomson, Upon a generator in use at Cornell University for producing 

 oxygen and hydrogen gas by means of the dynamo machine, WiUiam A, Anthony. 

 Thunderstorms and their relations to "low," Henry A. Hazen. A method of 

 distributing weather forecasts by means of railrOad trans, etc. , John A. Miller. 

 Thermal belts, J. W. Chickering, Jr. Notes on aneroids, M. W. Harrington. 

 Some relations of positive and negative electricity, H. W. Eaton. On the mag- 

 netic rotation of the equipotential lines of electric currents in various metals and 

 alloys, Edwin H. Hall. A proposed method of determining the magnetic dip 

 by means of a magnetic pendulum, Marcus Baker. A possible method of elec- 

 trical communication between vessels at sea, A. Graham Bell. Description of a 

 galvanometer for demonstrating the internal current transmitted through the liquid 

 within a voltaic cell, Conrad W. Cooke. An absolute Sensitomer, G. W. Hough. 

 Notes on acoustics, Charles R. Cross. On a proposed method of ascertaining 

 the least number of vibrations necessary to determine pitch, Charles R. Cross. 

 On the formulse for spherical refraction and thick lenses, James Loudon. On 

 the distribution of potential in conductors experiencing the electromagnetic eifects 

 discovered by Hall, Sir WilHam Thomson. On a standard galvanometer, S. P. 

 Thompson. On the government of electric motors, S. P. Thompson. A pre- 

 liminary note on the action of acids upon iron in the magnetic field, E. L. Nicolls. 

 On a proof contact theory of electricity, A. E. Dolbear. On comparative cost 

 electric light and oxy-calcium light, A. E. Dolbear. Electric discharges in rela- 

 tion to the equilibrium of gaseous atmosphere, James Dewar. First steps toward 

 a general system of observations of atmospheric electricity, C. Abbe. Organiza- 

 tion of seismological observations, C. Abbe. Methods of varifying weather proba- 

 bilities, C. Abbe. Standards of barometry and thermometry, C. Abbe. The 

 Princeton Meteorological. Observatory, Wm. Libbey, Jr. Local and topical 

 weather cards, W. M. Davis. Change in rainfall of Virginia, J. R. Purdie. An 

 experiment for illustrating the conversion of mechanical energy into heat, C. E. 

 Monroe. A form of apparatus for determinig the diathermacy of air and gases. 

 J. R. Paddock. On the intensity of sound : the energy used by an organ pipe, 

 C. K. Wead. 



Section C (Chemistry) held its meetings in the chemical lecture-room of the 



