Bedford Street, Covent Garden, London, 

 February 1 8 78. 



Macmillan &• Co.'s Catalogue of Works 

 in Mathematics and Physical Science; 

 including Pure and Applied Mathe- 

 matics; Physics, Astronomy, Geology, 

 Chemistry, Zoology, Botany; and of 

 Works in Mental and Moral Philosophy 

 and Allied Subjects. 



MATHEMATICS. 



Airy.— Works by Sir G. B. Airy, K.C.B., Astronomer Royal :— 

 ELEMENTARY TREATISE ON PARTIAL DIFFERENTIAL 

 EQUATIONS. Designed for the Use of Students in the Univer- 

 sities. With Diagrams. New Edition. Crown 8vo. 5^. 6d. 

 ON THE ALGEBRAICAL AND NUMERICAL THEORY OF 

 ERRORS OF OBSERVATIONS AND THE COMBINA- 

 TION OF OBSERVATIONS. Second Edition. Crown 8vo. 

 6s. ed. 



UNDULATORY THEORY OF OPTICS. Designed for the Use of 



Students in the University. New Edition. Crown Svo. 6^-. 6d. 

 ON SOUND AND ATMOSPHERIC VIBRATIONS. With 



the Mathematical Elements of Music. Designed for the Use of 



Students of the University. Second Edition, revised and enlarged. 



Crown 8vo. gj. 

 A TREATISE ON MAGNETISM. Designed for the Use of 



Students in the University. Crown Svo. 9^. bd. 



Ball (R. S., A.M.) — EXPERIMENTAL MECHANICS. A 

 Course of Lectures delivered at tlie Royal College of Science for 

 Ireland. By Robert Stawell Ball, A. M. , Professor of Applied 

 Mathematics and Mechanics in the Royal College of Science for 

 Ireland (Science and Art Department). Royal Svo. l6s. 

 " We have not met with any book of the sort in English. It eluci- 

 dates histructively the 7nethods of a teacher of the veiy highest 

 rank. We most cordially recommend it to all our readers." — 

 Mechanics' Magazine. 



Bayma. — THE ELEMENTS OF MOLECULAR MECHA- 

 NICS. By Joseph Bayma, S.J., Professor of Philosophy, 

 Stonyhurst College. Demy Svo. cloth, icxr. 6</. 

 2,000. 2. 78. A. 



