D. APPLETON & CO.'S PUBLICATIONS. 



JOHN TYNDALL'S WORKS. 



ESSAYS ON THE FLOATING MATTER OF THE AIR, 



in Relation to Putrefaction and Infection. 12mo. Cloth, $1.50. 



ON FORMS OF WATER, in Clouds, Rivers, Ice, and Glaciers. 

 With 35 Illustrations. 12tno. Cloth, $1.50. 



HEAT AS A MODE OF MOTION. New edition. 12mo. 

 Cloth, $2.50. 



ON SOUND : A Course of Eight Lectures delivered at the Royal 

 Institution of Great Britain. Illustrated. 12mo. New edition. 

 Cloth, $2.00. 



FRAGMENTS OF SCIENCE FOR UNSCIENTIFIC PEO- 

 PLE. 12mo. New revised and enlarged edition. Cloth, $2.50. 



LIGHT AND ELECTRICITY. 12mo. Cloth, $1.25. 

 LESSONS IN ELECTRICITY, 1875-"76. 12mo. Cloth, $1.00. 



HOURS OF EXERCISE IN THE ALPS. With Illustrations. 

 12mo. Cloth, $2.00. 



FARADAY AS A DISCOVERER. A Memoir. 12mo. Cloth, 

 $1.00. 



CONTRIBUTIONS TO MOLECULAR PHYSICS in the Do- 

 main of Radiant Heat. $5.00. 



SIX LECTURES ON LIGHT. Delivered in America in 1872- 

 '73. With an Appendix and numerous Illustrations. Cloth, $1.50. 



FAREWELL BANQUET given at Delmonico's, New York. Paper, 

 50 cents. 



ADDRESS delivered before the British Association, assembled at Bel- 

 fast. Revised, with Additions. 12mo. Paper, 50 cents. 



RESEARCHES ON DIAMAGNETISM AND MAGNE- 

 CRYSTALLIC ACTION, including the Question of Diamag- 

 netic Polarity. With Ten Plates. 12mo. Cloth, $1.50. 



NEW FRAGMENTS. 12mo. Cloth, $2.00. 



New York : D. APPLETON & CO., 1, 3, & 6 Bond Street. 



