﻿328 Miscellaneous Intelligence. 



Henry Farquhar: Comparison of the Boss and Auwers declination-standards. 



D. P. Todd : On some mechanical attachments (partly novel and partly not) for 

 facilitating the astronomer's work with the equatorial. 



C. L. Doolittle : Change in the latitude of the Say re Observatory. 



H. B. Fine: A new demonstration of Cayley's Theorem on the intersections of 

 curves. A_ny point or plane (tangential) singularity in an element of a curve of 

 double curvature can be completely defined by aid of three singularity indices 

 K,, K 2 , K 3 . 



B. A Gould : Photographic determinations of stellar position. 



E. F. Sawyer: Some account of a new catalogue of the magnitude of southern 

 stars. 



Chas. K. Wead: On certain indeterminate and discontinuous functions with 

 some applications. 



S. C. Chandler, Jr. : A comparative estimate of methods and results in stellar 

 photometry. On the use of the zenith telescope for latitude. 



W. L. Elkin: Comparison of the places of the Pleiades as determined by the 

 Konigsberg and Yale College heliometers. 



C. M. Woodward : Some of the properties of the Torus. A note on the equa- 

 tions of tangents to plane curves. 



Cleveland Abbe: A neglected correction in the use of refraction tables. 



Henry M. Parkhurst: Magnifying power of telescopes. 



E. E. Barnard : Telescopic observations of meteor trains. 



John H. Kedzie : A new theory of gravitation. 



John Haywood : Apparatus : An instrument to show at any time the direction 

 of the earth in space, in its annual motion. 



Samuel Marsden: On a method of obtaining the mean apparent diameter of 

 the sun. 



Section B. — Physics. 



Wm. A. Rogers: A new determination of the relative lengths of the Imperial 

 yard and of the Metre des Archives. Description of a combined yard and meter 

 which will be used in a definite determination of the relative lengths of the Im- 

 perial yard and of the Metre des Archives. A study of the idiosyncrasies of mer- 

 curial and metal thermometers. 



J. A. Brashear: A gravity parallelometer. 



B. F. Thomas: Note on variation in resistance with temperature of certain 

 alloys. , 



J. W. Sanborn : Relation of dew to soil moisture. 



H. E. Alvord : Observations on the formation of dew. 



J. Burkitt Webb: Entropy as a physical quantity. Rankine's thermodynamic 

 function. 



T. C. Mendenhall: Polarization of resistance coils. Electric thermometry. 

 Report of progress in the study of atmospheric electricity. 



A. E. Dolbear : Early telephonic apparatus. 



C. K. Wead: On some new applications in electricity of the graphical method. 

 On the time of contact between the hammer and string in a piano. On a name 

 for the C. G-. S. unit of momentum. 



I. T. Osmond: Simple harmonic motion and hypotrochoid. 



C. A. Oliver: Some notes upon subjective after-color. 



DeWitt B. Brace : On a singular case of double refraction. 



W. F. Magie : Determination of capillary constants. 



Wm. Kent : On a method of counteracting the effect of change of level of the 

 torsion balance. On the application of a mirror to the multiplication of the indi- 

 cations of a torsion balance. 



W. L. Hooper: The field magnets of a self-exciting dynamo may be too soft. 



Wm. A. Anthony : On the increase of torsional elasticity of metallic wires. 

 On a method of registering small variations of speed, and determining the abso- 

 lute number of revolutions of an engine or other running machinery. 



Cleveland Abbe : The effect of wind and exposure upon barometric readings. 



George F. Kunz: On a simple method of reproducing etched surfaces of mete- 

 oric irons for illustration. 



H. C. Hovey : Illustrations of Minnesota tornadoes. (Lantern projections.) 



