PHYSICS. 487 



HagI^eN, G. H. L., a well kuowu hydraulic eiigiueer. Died in Berlin 

 February 3, 1884, aged 86 years. 



ToDHUNTER, IsAAC, an eminent professor of mathematics and mathe- 

 matical physics. Died at Cambridge, Eng., March 1, 1884, aged 64 

 years. 



BouTiGNY, G. H., a well known physicist and investigator, especially 

 in the domain of heat. Died in Paris March 17, 1884. 



Dumas, J. B. A., the eminent chemist and physicist. Died at Cannes 

 April 11, 1884, aged 84 years. 



BoNTEMPS, Charles, telegraph engineer, director of pneumatic tele- 

 graphs in Paris. Died in Paris in May, 1884, aged 45 years. 



MoiGNO, F. N. M., mathematician and physicist, editor for many years 

 of the French Journal Les Mondes. Died in Paris July 13, 1884, 

 aged 81 years. 



Woodward, J. J., a surgeon in the U. S. Army, well known as a mi- 

 croscopist and investigator. Died in Philadelphia August 18, 1884. 



SCHELLEN, Heinrich, director of the Realschule at Cologne, and au- 

 thor of several electrical and scientific works. Died at Cologne in 

 September, 1884, aged 66 years. 



Sabine, Egbert Henry, a telegraphic engineer, and son-in law of Sir 

 Charles Wheatstone. Died in London October 25, 1884, aged 47 

 years. 



Lartigue, Henry, a telegraphic engineer of eminence, director of the 

 Paris Telephone Company. Died in Paris in November, 1884, aged 

 54 years. 



Von Jolly, Philip, professor of mathematical and experimental phys- 

 ics in the University of Munich. Died in Munich in December, 1884, 

 aged 74 years. 



BIBLIOGRAPHY OF PHYSICS, 1884. 



The Scientific papers of James Prescott Joule, D. C. L., LL. D., F. R. S., &c. Lon- 

 don, 1884. (Physical Society.) 



Textbook of the Principles of Physics. Alfred Daniell. 8vo., pp. xx, 053. London, 

 1884.) 



Histoire des sciences math^niatiqnes et physiques. M. Marie. Tome I. Paris, 1883. 



Physique math^matique ; electrodynamique, capillarity, chaleur, Electricity, magn6- 

 tisme, 61asticit6. H. Resal. 4to. pp. vi, 376. Paris, 1884. 



Collection de m6moires relatifs h la physique publics par la Socidtd franfaise de phy- 

 sique. Tome I. Mdmoires de Coulomb. 8vo. Paris, 1884. 



Cours de physique, comprenant les matieres-d'enscignemeut de la classo de niathd- 

 matiques spdciales. Tome I. J, Montier. 8vo. pp.927. Paris, 1884. (Dunod.) 



The new Physics; a manual of experimental study for high schools and preparatory 

 schools for college. J. Trowbridge. 12mo. pp. xix, 3G7. New York, 1884. 



Cours El€mentaire de physique. A. Boutau & C. d'Almeida. Two vols. 8vo. Paris, 

 1884. 



Cours 616meutaire de physique. H. Gossin. Ifimo. pp. 275. Paris, 1884. 



