HENRY SOTHERAN & CO., 140, STRAND, W.C, and 43, PICCADILLY, W. 819 

 Mathematics, continved: — 



16306 LIPSCHITZ (Rudolph Otto Sigismund ; Univ. Bonn) Lehrbuch der Analysis (I. 

 Grundlagen. II. Differential- und Integralrechnung), 2 vols, 8vo. hf. cl. (nice copy) ; SCARCE, 155 



Bonn, 1877-80 



16307 LISTING (Johann Benedict; Univ. Gottingen) Vorstudien zur Topologie ; with icood- 

 cuts, 8vo. (pp. 68), sei'-n {scarce), Gs 6d Gottingen, 1848 



' Various rescarchen liave been brought under the head of analysis situs. The subject was first icvestJKatfd by Leibniz, 

 and was later treated by Gauss, whose theory of knots has been employed by J. 13. Li-sting.' — I'wf. Cajori. 



16308 LOBATSCHEWSKY (Nicolai Ivanovitch) Geometrical Researches on the Theory of 

 Parallels, translated [with Introduction, and Appendix on Elliptic Geometry], by George 

 Bruce Halsted, Univ. Texas, with 37 diagrams, roy. 8vo. cl., or, buckram (scarce), 10s 6d 



Austin, Texas, 1891 



The only English translation of the author's celebrated researches on the theory of parallel lines— the foundation of 

 hyperbolic geometry. ' What Vesalius was to Galen, what Copernicus was to Ptolemy, that was Lobatschewsky to 

 Euclid '.—Professor Clifford. 



16309 Etudes G6ometriques sur la Th^orie des Paralleles, traduit [avee Preface] par J. 



HoiJEL, suivi d'un Extrait de la Correspondance de Gauss et de Schumacher; uiih diagrams, 

 roy. 8vo. (pp. 46), sewn (scarce), Qs [Bordeaux, 1866] 



The first French translation. 

 V. Engel, ante. 



16310 LOCK (John Bascombe, pr., Caius Coll.) Treatise on Elementary and Higher Trigono- 

 metry; with Key to the Elementary Trigonometry by HfcNRY Carr, of Lagos, uith diagrams, 

 2 vols. fcap. 8vo. and post 8vo. buckrain, 8s (p. 166') [1910] 



16311 Treatise on Higher Trigonometry [4th and last Edition, enlarged], uith numerous 



diagrams, cr. 8vo. buckram, 2s Qd 1909 



16312 Another Copy, also : Treatise on Elementary Trigonometry, uith illustrations 



— 2 vols. cr. 8vo. in 1, hf. black morocco neat, cl. sides {as good as new), 5s 6d (p. 9* in cl.) 1909-12 



16313 LODGE (Alfred, Prof. Pure Mathematics, Coopers Hill) Differential Calculus for 

 Beginners, with Introduction by Sir Oliver Joseph Lodge, f.r.s., with diagrams, post 8vo. 

 cl, 2s 6d (p. 45 6d) ' 1902 



16314 LONEY (Sidney Luxton, Boy. Holloway Coll.) The Elements of Coordinate Geometry, 

 2nd (latest) Edition [revised], with diagrams, with the Solutions, 2 vols. cr. 8vo. in one, hand- 

 somely bound in hf. black morocco, cl. sides, 9* (p. 13s Qd nett in cl.) 1906 or '12 



16315 Plane Trigometry, with diagrams, with Solutions, 2 thick vols. cr. 8vo. in 1, hand- 

 somely bound in hf. pigskin, cl. sides, lis (p. 185 in cl.) Univ. Press, Cambridge, 1907-1896 



16316 LONGCHAMPS (G. de) CouRS d' Algebre, 2® [derni^re] Edition; with diagram-y. Sup- 

 plement (Trigometrie ; les Infiniment Petits ; les Quadratures ; IVI^canique), 3e[derni^re] Edition, 

 entierement refondue ; with numerous diagrams— 2 thick vols. 8vo. in 1, handsomely bound in hf. 

 pigskin, cl. sides (nice copy), lOs (p. F. 17-50 nett sewn) 188^-93 



16317 CouRS de Geometrie Analytique k deux et trois Dimensions ; with numerous 



diagrams, 2 thick vols. 8vo. in 1, handsomely bound in hf. pigskin, cl. sides (nice copy), 305 

 (p. F. 17.50 nett sewn) ' 1884 



16318 CouRS de Problemes de Gi^om^trie Analytique ; icith numerous diagrams^ 3 vols. 



8vo. in 2, handsqmely bound in hf. black moroccOy cl. sides, uncut, t. e. t. (as good as new), 16s %d 

 (p. F. 22.50 nett sewn) 1898-9 



16319 Vols. I and II only, with numerous diagrams, 2 vols. 8vo. in 1, buckram. Is (p. F. 12.50 



nett sewn) 1898-9 



16320 LOK.ENTZ (Hendrik Antoon, /7mv. Zeyc^cn) Lehrbuch der Differential- und Integral- 

 rechnung, nebst Einfiihrung in andere Teile der Mathematik, mit besondeier Beiiicksichligung 

 der Bediirfnisse der Studierenden der Naturwissenschaften, unter MitwirkuDg des Verfassers 

 iibersetzt von G. C. Schmidt, 2. [neueste] Auliage ; with 123 diagrams^ 8vo. buckram, 8* 6rf 

 (p. M. 12 sewn) Leipzig, 1907 



16321 LORIA (Gino ; Univ. Genoa) Die hauptsachlichsten Theorien der Geometrie in ihrer 

 friiheren und heutigen Entwicklung, ins Deutsche iibertragen von FRITZ SCHUlTE, mit Vorwort 

 von \\. Sturm, 8vo. buckram, Zs Leipzig, 1888 



16322 Spezielle aloebraische und transcendente ebene Kurven : Theorie und 



Geschichte, autorisierte, nach dem italienischen MS. bearbeitete deutsche Ausgabe von Fritz 

 SCHUTTE; with 11 folding plates (/Zne/y LINEN-MOUNTED), thick 8vo. handsomely bound in hf. 

 pigskin, cl. sides, lbs (p. M. 26 sewn) ibidem, 19C2 



16323 ZWEITE [NEUESTE] AuFLAGE; with 2Q folding plates (all neatly linen-MOUNTED), 



2 vols, large 8vo. handsomely bound in hf. pigskin, cl. sides (fine copy), £1. 5s (p. M. 29 sewn) 



ibidem, 1910-11 



16324 VoRLESUNGEN iiber darstellende Geometrie, autorisierte, nach dem italienischen 



IMS. bearbeitete deutsche Ausgabe von Fritz Schutte, II. Teil : Anwendungen auf ebenfljichige 

 Gebilde, Kurven und Fliichen ; tcith 146 diagrams, large 8vo. cl.. Is %d (p. IM. 12) ib., 1913 



16325 LORMEAU (E.), et P. MEB.LET : Problemes de Geometrie, donnas aux Examens de 

 Baccalaur(^at, 1904-8 : Enonces et Solutions ; with numerous diagrams, 8vo. buckram, Zs [1909] 



