SCIENTIFIC CATALOGUE. 



Boole. — Works by G. BooLE, D.C.L, F.R.S., Professor of 



Mathematics in the Queen'^ University, Ireland : — 



A TREATISE ON DIFFERENTIAL EQUATIONS. Thinl 

 Edition. Edited by I. Todhunter. Crown 8vo. cloth. 14J. 



' ' A treatise incoi7iparably superior to any other elementary book on the 

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A TREATLSE ON DIFFERENTIAL EQUATIONS. Supple- 

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THE CALCULUS OF FINITE DIFFERENCES. Crown 8vo. 

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Cheyne.— Works by C. H. H. Cheyne, M.A., F.R.A.S.:— 

 AN ELEMENTARY TREATISE ON THE PLANETARY 

 THEORY. With a Collection of Problems. Second Edition. 

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THE EARTH'S MOTION OF ROTATION. Crown 8vo. 

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Childe. — THE SINGULAR PROPERTIES OF THE ELLIP- 

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 DEGREE. -By the Rev. G. F. Childe, M.A., Author of 

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Cumming.— AN INTRODUCTION TO THE THEORY OF 

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CuthbertSOn. --EUCLIDIAN GEOMETRY. By F. Cuth- 

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Dodgson. — AN ELEMENTARY TREATISE ON DETER- 

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Ferrers. — Works by the Rev. N.M. Ferrers, M. A., F.R.S., Fellow 

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 AN ELEMENTARY TREATISE ON TRILINEAR CO-ORDI- 

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SPHERICAL HARMONICS AND SUBJECTS CONNECTED 

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