EDUCATIONAL BOOKS. 



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. cloth. 

 5-r. 6d> 



ON THE ALGEBRAICAL AND NUMERICAL THEORY OF 

 ERRORS OF OBSERVATIONS AND THE COMBINA- 

 TION OF OBSERVATIONS. New edition, revised. Crown 

 8vo. cloth. 6s. 6d. 



UNDULATORY THEORY OF OPTICS. Designed for the Use ol 

 Students in the University. New Edition. Crown 8vo. cloth. 

 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. 9*. 



A TREATISE OF MAGNETISM. Designed for the use of 

 Students in the University. Crown 8vo. gs. 6d. 



Airy (Osmund). A TREATISE ON GEOMETRICAL 



OPTICS. Adapted for the use of the Higher Classes in Schools. 



By OSMUND AIRY, B.A., one of the Mathematical Masters in 



Wellington College. Extra fcap. 8vo. 3*. 6d. 

 " Carefully and lucidly written, and rendered as simple as possible by 

 the use in all cases of the most elementary form of investigation. " 

 ATHENAEUM. 



Bayma. THE ELEMENTS OF MOLECULAR MECHA- 

 NICS. By JOSEPH BAYMA, S.J., Professor of Philosophy, 

 Stonyhurst College. Demy 8vo. cloth. los. 6d. 



Beasley. AN ELEMENTARY TREATISE ON PLANE 



TRIGONpMETRY. With Examples. By R. D. BEASLEY, 

 M.A., Head Master of Grantham Grammar School. Fourth 

 Edition, revised and enlarged. Crown 8vo. cloth. 3*. 6d. 



Blackburn (Hugh). ELEMENTS OF PLAN 



TRIGONOMETRY, for the use of the Junior Class of Mathematic 

 in the University of Glasgow. By HUGH BLACKBURN, M.A., 

 Professor of Mathematics in the University of Glasgow. Globe 

 8vo. is. 6d. 



Boole. Works by G. BOOLE, D.C.L., F.R.S., late Professor of 

 Mathematics in the Queen's University, Ireland. 



