HENRY SOTHEKAN & CO., 140, STKA1SD, W.C., AND 43, PICCADILLY, W. 833 



MATHEMATICS, continued : 



16628 SCOTT (Charlotte Angas, Girton Coll. ; Prof. Mathematics, Bryn Mawr Coll., Pa.} INTRO- 

 DUCTORY ACCOUNT of CERTAIN MODERN IDEAS and METHODS in PLANE ANALYTICAL GEO- 

 METRY, with 64 diagrams, 8vo. cl. (o. p.], 10* 1894 



16629 SCOTT (Robert Forsyth ; Master of St. John's Coll., Cantab.} TREATISE on the THEORY of 

 DETERMINANTS and their APPLICATIONS in ANALYSIS and GEOMETRY, 8vo. cl., 4s (p. 12s) 



Univ. Press, Cambridge, 1880 



16630 SECOND [LATEST] EDITION, revised by GEORGE BALLARD MATHEWS, F.R.S., 8vb. cl., 6s 



(p. 9s nett) apud eandem, ibidem, 1904 



' The principal novelty of the treatise lies in the systematic use of Grassmann's alternate units, by means of which the 

 study of determinants is, I believe, much simplified.' Preface. 



16631 SEEGER (H.) Die FUNDAMENTALTHEORIEEN der NEUEREN GEOMETRIE und die Elemente 

 der Lehre von den Kegelschnitten ; with diagrams, large post 8vo. buckram, 2s Braunschweig, 1880 



16632 SEGrUIER (Jean Armand de) THEORIE des GROUPES FINIS : ELEMENTS de la THEORIE des 

 GROUPES ABSTRAITS, roy. 8vo. buckram, uncut, t. e. g., 3s Qd (p. F. 5 nett sewn) 1904 



16633 ANOTHER COPY, also : THEORIE des GROUPES de SUBSTITUTIONS 2 vols. 8vo. in one, hand- 

 somely bound in hf. black morocco, cl. sides, t. e. g. (as good as new}, 9s (p. F. 15 nett sewn) 1904-12 



16634 SEIPP (H.) LEHRBUCH der RAUMLICHEN ELEMENTAR-GEOMETRIE (STEREOMETRIE), I. 

 [einziger] TEIL : Die Lage von geraden Linien und Ebenen im Raum, nebst ISanmilung von 

 Aufgaben ; with illustrations, large 8vo. buckram, 3s Qd (p. M, 6 sewn) Bremerhaven [1892] 



16635 SEUVANOV (Dmitrij Fedorovitch ; Univ. Petrograd} LEHRBUCH der DIFFERENZENRECH- 

 NUNG, large 8vo. cl., 3s Leipzig, 1904 



16636 SERRET (Joseph Alfred, de la Sorbonne ; de VInstitut} COURS d'ALGEBRE SUPERIEURE, 

 3 e Edition [refondue et augmentee] ; with diagrams, 2 vols. prize calf extra, 7s Qd 1866 



16637 CINQUIEME EDITION, augmentee ; with diagrams, 2 vols. 8vo. hf. maroon morocco neat, 



uncut, t. e. g. (.fine copy), 16s (p. F. 25 nett sewn) 1885 



One of the best text-books on the subject, ' embodying the chief discoveries of the author.' W. W. R. Ball. 



16638 COURS de CALCUL DIFFERENTIEL et INTEGRAL, 3 e Edition ; with diagrams, 2 vols. 8vo. 



hf. maroon morocco neat, uncut, t.e.g. (fine copy; uniform with the above}, 15s (p. F. 24 nett sewn) 1886 

 FINAL EDITION of this invaluable work, containing the author's improvement of Cauchy's method of solving partial 

 differential equations of the first order having any number of variables. 



16639 LEHRBUCH der DIFFERENTIAL- und INTEGRA.LRECHNUNG, nach AXEL HARNACKS 



Ubersetzung, 3. Auflage, neu bearbeitet von GEORG SCHEFFERS ; with 238 diagrams, 3 vols. 8vo. 

 hf. black morocco neat, cl. sides (nice copy}, 1. Is (p. M. 36 nett sewn) Leipzig, 1906-9 



16640 TRAITE de TRIGONOMETRIE, 7 e Edition ; with diagrams, 8vo. hf. maroon morocco neat, 



cl. sides (fine copy}, 3s Qd 1888 



16641 HUITIEME EDITION ; with diagrams, Svo. hf. black calf neat, cl. sides (nice copy), 



3s Qd 1900 



16642 NEUVIEME [DERNIERE] EDITION ; with diagrams, Svo. buckram, 3s 1908 



16643 SERRET (Paul, College Ste. Barbe} GEOMETRIE de DIRECTION : Application des Coordonnees 

 polyedriques. Propriete de 10 Points de I'Ellipsoide, de 9 Points d'une Courbe gauche du 4 e Ordre, 

 de 8 Points d'une Cubique gauche ; with diagrams, Svo. hf. maroon morocco neat, cl. sides (as good 

 as new}, 6s Qd (p. F. 10 nett sewn) 1869 



16644 Des METHODES en GEOMETRIE ; with numerous diagrams, Svo. hf. morocco neat (scarce) , 



8s Qd 1855 



4 J'ai cherche a reunir ... la plupart des doctrines acquises a la geometric infinitesimale pendant la premiere periode 

 de son histoire.' Preface. 



16645 SIMON (Max ; Univ. Strasbourg) ANALYTISCHE GEOMETRIE der EBENE ; with 96 illustra- 

 tions, large cr. Svo. cl., 4s (p. M. 6) Leipzig, 1900 



16646 ANALYTISCHE GEOMETRIE des RAUMES; with 64 illustrations, 2 vols. large cr. Svo. cl., 



5s (p. M. 8.40) ibidem, 1900-1 



16647 SIMONY (Oscar; Univ. Vienna} GEMEINFASSLICHE, leicht controlirbare LOSUNG der Aufgabe : 

 In ein RINGFORMIG GESCHLOSSENES BAND einen KNOTEN zu machen ' und verwandter merk- 

 wiirdiger Probleme, 3. erweiterte Auflage ; with 4 plates and 42 woodcuts, Svo. buckram, t. e. g., 

 4s Wien, 1881 



16648 SMITH (Charles, Master of Sidney Sussex Coll., Cantab.) ELEMENTARY TREATISE on CONIC 

 SECTIONS, ivith diagrams, with the Solutions, 2 vols. cr. Svo. in 1, buckram, 8s Qd (p. 18s) 



1904-1898 



16649 NEW EDITION, revised and enlarged, with diagrams ; with the Solutions, 2 vols. cr. 



Svo. hf. black morocco neat, cl. sides (fine copy), 12s Qd 1912-10 



16650 GEOMETRICAL CONICS, with diagrams, with the Solutions, 2 vols. cr. Svo. in 1, 



buckram, 7s (p. 12s) 1904 



16651 TREATISE on ALGEBRA [5th Edition], with the Solutions, 2 vols. cr. Svo. cl., 9s 



(p. 18s) 1900-1889 



