SCIEXCE AXD PHILOSOPHY. 15 



Universal Metric System. By ALFRED COLIN, C. E. 12mo. Cloth, 50 



Money and the Mechanism rf Exchange. Bv W. STANLEY .Ir.voxs, 

 Professor of Logic and Political Economy iu Owens College, Manchceier. i-mo. 



Cloth, $1.75. 



Elements of Economics. By HKNRY DI NMNG MAn.F.on. M. A . of Trinity 

 College. Cambridge, :iixl the Inner Temple, barrister-at-law selected I)V the Koyal 

 Commissioners tor the Digest of the I.aw to prepare the Digest of the Law of hills 

 ol Exchange. Bunk Notes, etc. lx-cturer on Political Economy in the University 

 of Cambridge. In 2 vols. I . uio. Cloth, $1.75 each. 



Principles of Political Economy, with somo of their Applications 

 to Social Philosophy. By JOIIN STCABT MILL, - vols. bvo. Cloth, f 4.1)0; 

 half calf, extra, $&amp;gt;.uo. 



Mill s Principles of Political Economy : Abridged, with Critical. Biopraph- 

 ii-il. anil Explanatory Notes and a Sketch of the Hi.^tory of Political Economy. 

 By J. LAI-RK.VI-K LAU;III.IN, Ph !&amp;gt;.. As.sistiint Professor of Political Economy in 

 Harvard University. With 24 Maps and Charts. A Text Book for Colleges. 



The Study of Political Economy. Hints to Students and Teachers. I5y J. 

 LAPKK.NCE LACGHLI.N, Ph. D. lmo. Cloth, $!.&amp;gt;. 



Tbe History of Bimetallism in tho United States. By .1 LAI-RFNCE 

 I.Arijiii.ix, I h. D. With Id Charts and numerous Tables. ?n-o. Cloth. {. .J.&quot;&amp;gt;. 



The &quot;Clements of Political Economy. With some Applications to Questions 

 of the Day. Bv . LAURENCE LAUUIII.IN. As-istant ProlesBor of Political Econ 

 omy in Harvard I niversity. With (. harts, l.mo. (.loth, $1.50. 



Money. By CHARLES MOKAN. l 2mo. Cloth. $1. 25. 



Currencv and Banking. By BONAMY PRH-E, Professor of Political Economy 

 in tho University ol Oxford. 12ino. Cloth, ${.:*). 



MECHANICS, ETC. 



Appletons Cyclopaedia of Drawing. A Text Br. ok for tlio Mechnnic, 

 Architect. Kni ineer. and Surveyor. Profusely illustrated. New and revised edi 

 tion. Koyal Svo. She.-j), $U.iti. (Sold by subscription only.) 



Templeton s &quot;Fncineer. Mill wrip-ht, and Mechanic s Pocket Com 

 panion. Comprisinir Decimal Arithmetic; Tables of Square and Cube RootH ; 



Practical* 5 eometrv ; Mensuration; S(rt*n(rth of Matt-rials; Mechanic Powers; 

 W ater-W heels ; Pumps and Pumpiri . -En. ines; Stonm-Knjrini-s: Tables &amp;lt;&amp;gt;f Specific 

 Gravity, etc. Also a Series of Mathematical Tnblefl. containing the Clrcumfer- 

 t-nces. Squares CII!K&quot;*. and Areas of Circles, Su[xTli&amp;lt; &amp;gt; cs. nnd Solidity of S|,herc8, 

 oi&quot;. K. -vised, -orrected. ami enlarged from the eitrhth English&quot; edition, and 

 adapted to American Practice, with the Addition of muuh new Matter, by .Jrurs 

 W. ADAMH. Engineer. K.ino. Tuck. $. .( (. 



Elements of Machine Desisrn. By Prof. W. C. U.NWIN. C. E. He-vised 

 and enlarged edition. I . mo. CL.th, -J.i 5. 



Maiiual of Pow^r, fr Machines. Shaft-*, nnd Belt. With a History of Cotton 

 Manufacture in the United States. Bv SAMCKI. WI:BHKI: C . E. h vo Cloih 

 $!..^). 



The Strength of Materials and Structures. Port I The Strength of 

 Material*. Part IF. The Strength of Structures. By Sir JOHN AM&amp;gt;KI:HON C. E 

 I . mo. Cloth. $1.5,1. 



Railway Appliances. A Description of Details of Railway Construction suh- 

 wnnenl to the Completion of the Earthwnrkit and Structures. By ). W. J{AI:KT, 

 &amp;lt; E. l. ino. Cloth, $!.. &amp;gt;&amp;lt;). 



