16 GENERAL SCIENTIFIC WORKS. 



TYNDALL.-JrOi^A^.S' hi/ JOHN TYNDALL, F.R.S., etc. 

 FRAGMENTS OF SCIENCE. 2 Vols. Crown 8vo, 16.y. 

 NEW FRAGMENTS. Crown 8vo, 10s. GfZ. 

 HEAT A MODE OF MOTION. Crown 8vo, 12,s. 

 SOUND. With 204 Woodcuts. Crown Bvo, lO.s. 6d. 



RESEARCHES ON DIAMAGNETISM AND MAGNE- 



CRYSTALLIC ACTION, including the question of Diamagnetic 

 Polarity. Crown Bvo, 12.s-. 



ESSAYS ON THE FLOATING MATTER OF THE AIR 



in relation to Putrefaction and Infection. With 24 Woodcuts. Crown 

 Svo, 7s. 6f?. 



LECTURES ON LIGHT, delivered in America in 1S72 and 1873. 

 With 57 Diagrams. Crown Bvo, 5*-. 



LESSONS IN ELECTRICITY AT THE ROYAL INSTITU- 

 TION, 1875-76. With 58 Woodcuts. Crown Bvo, 2s. 6rf. 



NOTES OF A COURSE OF SEVEN LECTURES ON 

 ELECTRICAL PHENOMENA AND THEORIES, delivered 



at the Royal Institution. Crown Bvo, Is. 6d. 



NOTES OF A COURSE OF NINE LECTURES ON LIGHT, 



delivered at the Royal Institution. Crown 8vo, Is. 6rf. 



FARADAY AS A DISCOVERER. Crown 8vo, 3s. (kl. 



THE GLACIERS OF THE ALPS : being a Narrative of Excursions 

 and Ascents. An Account of the Origin and Phenomena of Glaciers and 

 an Exposition of the Pliysical Principles to which they are related. With 

 61 Illustrations. Crown Svo, 6s. 6cZ. net. 



WATTS (H.). DICTIONARY OF CHEMISTRY. Revised and 



entirely Re-written by H. FORSTER MORLEY, M.A., D.Sc, Fellow 

 of, and lately Assistant-Professor of Chemistry in. University College, 

 London; and M. M. PATTISON MUIR, M.A., F.R.S.E., Fellow and 

 Prtelector in Chemistry of Gonville and Caius College, Cambridge. 

 Assisted by Eminent Contributors. 4 vols. Svo, £5 net. 



WEBB. CELESTIAL OBJECTS FOR COMMON TELESCOPfeS. 



By the Rev. T. W. WEBB, M.A., F.R.A.S., late Vicar of Hardwick, 



Herefordshire. Fifth Edition, Revised and greatly Enlarged by the Rev. 



T. E. ESPIN, M.A., F.R.A.S. (Two Volumes.) 

 Vol. I. With Portrait and a Reminiscence of the .\uthor, 2 Plates and 



numerous Illustrations. Crown Svo, 6s. 

 Vol. II. With Illustrations and Map of Star Spectra. Crown Bvo, 6s. 6(1. 



WRIGHT. OPTICAL PROJECTION : a Treatise on the Use of the 



Lantern in Exhibition and Scientific Demonstration. By LEWIS 

 WRIGHT, Author of "Light: a Course of Experimental Optics ". With 

 232 Illustrations. Crown Bvo, 6s. 



.2. .'.01). l/0:f. THK AHEROEBN UNIVERSITY PRESS I.IMITEI) 



5 L-C&G ^3^^ g 



