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 March 1879. 



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. 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 Svo. 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 BALI,, A.M., Professor of Applied 

 Mathematics and Mechanics in the Royal College of Science for 

 Ireland (Science and Art Department). Royal 8vo. \6s. 

 " 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' Maazine. 



