Errata in No. 87 (September 1882). 

 Page 217, line 10, for |£ put 0. 



— 221, line 4, /or cos (2*+2&) put sin (2»+28). 



— 222, line 4, for cos 2 8 />«£ cos 2 28. 



— 223, line 30, for n read -£77 bis. 



Post 8vo, cloth, 6*. 



QUESTIONS IN PURE MATHEMATICS 



PROPOSED AT THE B.A. AND B.Sc. PASS AND HONOURS 



EXAMINATIONS OF THE UNIVERSITY OF LONDON. 



WITH COMPLETE SOLUTIONS 



By J. E. A. STEGGALL, M.A., 



Late Scholar of Trinity College, Cambridge ; Fielden Lecturer in Mathematics 



at the Owens College, Manchester. 



John Van Voorst, 1 Paternoster Row. 



8vo, cloth, 383 pages, with 88 Illustrations (drawn to scale), £1 1*. 



A TREATISE ON THE DISTILLATION OF COAL-TAR 



AND AMMONIACAL LIQUOR, 



AND THE SEPARATION FROM THEM OF VALUABLE PRODUCTS. 



By GEORGE LUNGE, Ph.D., F.C.S., 



Professor of Technical Chemistry in the Federal Polytechnic School, Zurich. 



By the same Author. 

 A THEORETICAL AND PRACTICAL TREATISE 



ON THE 



MANUFACTURE OF SULPHURIC ACID AND ALKALI. 



3 vols., £4 16s. 



John Van Vo©rst, 1 Paternoster Row. 



Demy post 8vo, cloth, post free, 5s. 



A TREATISE ON THE 



TRANSIT INSTRUMENT, 



As applied to the Determination of Time, for the use of Country Gentlemen. 



By LATIMER CLARK, M.I.C.E. 



A popular description of the. method of obtaining accurate Greenwich time by 

 the Transit Instrument. It also contains Tables of the Transit of the principal 

 Stars for 1882, calculated in ordinary Greenwich time. 



A. J. Feost, 6 Westminster Chambers, London, S.W. 

 THE LONDON, EDINBURGH, AND DUBLIN 



Philosophical Magazine and Journal of Science. 



A Journal devoted to Physics, Astronomy, Mechanics, Chemistry, Mineralogy, 

 and the Allied Sciences. Monthly, price 2s. 6d. ' 

 Complete sets (in Numbers) may be obtained at the following prices: — 

 A set of the First Series, from 1/98 to 1826 (wanting a few plates), in 68 

 volumes. Price £\5. 



The Second Series, from 1827 to 1832, in 1 1 volumes. Price £2 4s. 

 The Third Series, in 37 volumes, from 1832 to 1850. „ .£6. 



Taylor and Francis, Red Lion Court, Fleet Street, E.C. 



[ADVERTISEMENTS continued on 3rd page of Cover. 



