BEDFORD STREET, COVENT GARDEN, LONDON, 

 September 1878. 



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 Siibjects. 



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. 51. 6d. 



ON THE ALGEBRAICAL AND NUMERICAL THEORY OF 

 ERRORS OF OBSERVATIONS AND THE COMBINA- 

 TION OF OBSERVATIONS. Second Edition. Crown 8vo. 

 6s. 6d. 



UNDULATORY THEORY OF OPTICS. Designed for the Use of 

 Students in the University. New Edition. Crown 8vo. 6s. 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. gs. 



A TREATISE ON MAGNETISM. Designed for the Use of 

 Students in the University. Crown 8vo. 9-r. 6d. 



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



Course of Lectures delivered at the 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 8vo. ids. 

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

 dates instructively the methods of a teacher of the very highest 

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

 Mechanics' Magazine. 

 s,ooo. 8. 78. A 



