THE RUMFORD FUND 25 



PEIRCE, BENJAMIN O., JR., and LEFAVOUK, EDWARD B. Preliminary 

 Work on the Determination of the Law of the Propagation of 

 Heat in the Interior of Solid Bodies, xiii, 128. 1877. 

 AMORY, ROBERT. On the Photographic Action of Dry Silver 



Bromide Collodion, &c., to Rays of Solar Light of Different 



Refrangibility, xiii, 171. 1877. 

 TROUVELOT, ETIENNE LEOPOLD. The Moon's Zodiacal Light, xiii, 



183. 1877. 

 TROUVELOT, ETIENNE LEOPOLD. Undulations observed in the Tail 



of Coggia's Comet, 1874, xiii, 185. 1877. 

 TROUVELOT, ETIENNE LEOPOLD. Sudden Extinction of the Light 



of a Solar Protuberance, xiii, 187. 1877. 

 HARKNESS, WILLIAM, U. S. N. Supplementary Note on the Theory 



of the Horizontal Photoheliograph, xiii, 194. 1877. 

 AMORY, ROBERT. Theory of Absorption-Bands in the Spectrum, 



and its Bearing in Photography and Chemistry, xiii, 216. 1878. 

 HALL, G. STANLEY. Color-Perception, xiii, 402. 1878. 

 LANGLEY,, SAMUEL P. On certain Remarkable Groups in the 



Lower Spectrum, xiv, 92. 1878. 

 LAXGLEY, SAMUEL P. On the Temperature of the Sun, xiv, 106. 



1878. 



TROWBRIDGE, JOHN, and HILL, WALTER N. On the Heat Produced 

 - by the Rapid Magnetization and Demagnetization of the Mag- 

 netic Metals, xiv, 114. 1878. 

 TROWBRIDGE, JOHN. Methods of Measuring Electric Currents of 



Great Strength ; together with a Comparison of the Wilde, the 



Gramme, and the Siemens' Machines, xiv, 122. 1878. 

 JACQUES, WILLIAM W. Distribution of Heat in the Spectra of 



Various sources of Radiation, xiv, 142. 1879. 

 ROWLAND, HENRY A. On the Mechanical Equivalent of Heat, 



with Subsidiary Researches on the Variation of the Mercurial 



from the Air Thermometer, and on the Variation of the Specific 



Heat of Water, xv, 75. 1879. 

 LEE, ARTHUR H. On a Standard for Estimating the Amount of 



Light Reflected by Various Substances, xv, 223. 1879. 



