Sixth Edition, Revised and Enlarged. Crown 8vo, 10s. 6d. 



AN ELEMENTARY TREATISE 



ON 



THE DIFFERENTIAL CALCULUS, 



CONTAINING 



THE THEORY OP PLANE CURVES, 



WITH NUMEROUS EXAMPLES. 



By BENJAMIN WILLIAMSON, M.A., F.R.S., 



Fellow of Trinity College, Dublin, &c. 



London : Longmans, Gbeen, and Co. 



Royal 8vo, with numerous Woodcuts, price 7s. Qd. 

 A MANUAL FOR 



TIDAL OBSERVATIONS. 



By Majob A. W. BAIRD, R.E., F.R.S., &c. 

 Taylob and Fbancis, Red Lion Court, Fleet Street, E.C. 



Now ready, Price £1 Is. Od. 



Demy 8vo, 360 pages, illustrated with 34 single and 8 folding Plates, including 

 numerous drawings of Mountain Structure and Scenery, by the Author , from 



THE ORIGIN OF MOUNTAIN RANGES, 



Considered EXPERIMENTALLY, STRUCTURALLY, DYNAMICALLY, 



and in relation to their GEOLOGICAL HISTORY. 



By T. MELLARD READE, C.E., F.G.S., F.R.I.B.A., 



Past President of the Liverpool Geological Society. 



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

 Price £6 10s. Od. 



TAYLOR'S SCIENTIFIC MEMOIRS. 



Selected from the Transactions of Foreign Academies of Science and Learned 

 Societies, and from Foreign Journals. First Series, August 1836 to September 

 1852 : 21 parts. New Series, Natural History : 4 parts. Natural Philosophy : 

 4 parts. 



A complete set of this valuable Work, containing memoirs by Arago, Balard, 

 Becquerel, Berzelius, Bessel, Biot, Botto, Bunsen, Burmeister, Carus, Cauchy, 

 Chevreul, Clausius, Clapeyron, Cruger, Danielssen, Dove, Ehrenberg, Emmerich, 

 Encke, Fresnel, Gauss, Goldschmidt, Hansen, Helmholtz, Henry, Hoffmann, 

 Hoffmeister, Holtzmann, Jacobi, Jamin, Knoblauch, Koene, Koren, Krohn, 

 Lamont, Lenz, Le Verrier, Liebig, Lowig, Magnus, Melloni, Menabrea, Meyen, 

 Mitscherlich, Mohl, Moser, Mossotti, Miiller, Neumann, Nobili, Ohm, Ostro- 

 gradsky, Pelouze, Peltier, Plateau, Pliicker, Poggendorff, Poisson, Pouillet, 

 Provostaye, Redtenbacher, Regnault, Riess, Romer, Rose, Rudberg, Savart, 

 Schleiden, Schmidt, Schultess, Seebeck, Sefstrom, Senarmont, Siebold, Verany, 

 Vogt, Von Baer, Von Wrede, Walckenaer, Wartmann, Wichura, Wiedemann, 

 Weber. 



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



[ADVERTISEMENTS continued on 3rd page of Cover. 



