802 HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 



MATHEMATICS, continued : 



15919 DAVIS (Ellery Williams, Univ. Nebraska) INTRODUCTION to the LOGIC of ALGEBRA, with 

 illustrative Exercises ; 2nd Edition, enlarged, 8vo. cl. (o. p.), 7s Qd New York, 1894 



15920 DAVISON (Charles) SUBJECTS for MATHEMATICAL ESSAYS, with diagrams, cr. 8vo. cl., 2s 1915 



15921 DEDEKIND (Richard ; Technische Hochschule, Braunschweig] ESSAYS on the THEORY of 

 NUMBERS. 1. Continuity and Irrational Numbers. II. The Nature and Meaning of Numbers : 

 authorized Translation by WOOSTER WOODRUFF BEMAN, cr. 8vo. cl., 2s Qd Chicago, 1901 or 1909 



15922 -, - WAS SIND und was SOLLEN die ZAHLEN ? 3. Auflage, post 8vo. buckram, t. e. g., 2s 



Braunschweig, 1911 



15923 DELAISTBE (Louis) COURS COMPLET de DESSIN LINEAIRE gradue et progressif, 5 e Edition ; 

 with 60 fine plates, oblong folio, cl., Is Qd (p. F. 15 nett) 1894 



15924 DELASSUS (Etienne ; Univ. Bordeaux) LECONS sur la THEORIE ANALYTIQUE des EQUATIONS 

 aux Derivees partielles du l er Ordre : VOGT (H.) LECONS sur la RESOLUTION ALGEBRIQUE des 

 EQUATIONS, avec Preface de JULES TANNERY 2 vols. large 8vo. in 1, hf..roan, 5s Qd (p. F. 9.50 

 nett sewn) 1897-5 



15925 DEMARTRES (L6on ; Univ. LILLE) COURS d'ANALYSE, redige par E. LEMAIRE ; neatly 

 autographed on 516 pp., with diagrams, 3 vols. 4to. in 1, new hf. black morocco neat, cl. sides (fine 

 copy} ; scarce, 18s 1892-6 



CONTENU : I. Fonctions de Variables reelles : II. Proprietes des Fonctions analytiques : III. Equations differentielles 

 et aux Derivees partielles. 



15926 DESBOVES (Adolphe) QUESTIONS d'ALGEBRE ELEMENTAIRE : Methodes et Solutions, avec 

 Expose des principales Theories et de nombreux Exercices proposes ; 4 e Edition, refondue et 

 augmentee ; with 2 plates, 8vo. hf. maroon morocco (nice copy), 5s 1892 



15927 - ANOTHER COPY, buckram, 4s 



15928 - QUESTIONS de GEOMETRIE ELKMENTAIRE : Methodes et Solutions, avec Expose des 

 principales Theories et de nombreux Exercices proposes; 2 e Edition, refondue et augmentee ; with 

 12 plates, 8vo. hf. roan (scarce), 5s 1875 



15929 - QUESTIONS de GEOMETRIE : Methodes et Solutions, avec Expose des principales Theories 

 et Notes sur les Rapports entre 1'Algebre et la Geometric ; with \\ folding plates, 8vo. hf. French 

 morocco neat (nice copy) ; scarce, 5s . 1870 



15930 QUESTIONS de TRIGONOMETRIE : Methodes et Solutions, avec plus de 400 Exercices 

 proposes ; with 4 plates, 8vo. hf. maroon morocco, 3s (p. F. 5 nett sewn) 1872 



15931 - TROISIEME EDITION, revue et corrigee ; with 4 folding plates (linen-mounted) ; avec les 

 Solutions, 2 vols. 8vo. in 1, handsomely bound in hf. black morocco, cl. sides (fine copy), Is 1884-77 



15932 - SOLUTIONS des EXERCICES proposes dans les QUESTIONS de TRIGONOMETRIE RECTILIGNE, 

 precedees d'un Recueil des principales Formules, 8vo. buckram, 3s 1877 



15933 DETTE (W.) ANALYTISCHE GEOMETRIE der KEGELSCHNITTE ; with 45 diagrams, 8vo. cl., 3s 

 (p. M. 4.40) Leipzig, 1909 



15934 DICKSON (Leonard Eugene, Univ. Chicago) ALGEBRAIC INVARIANTS, large 8vo. cl., 3s Qd 

 (p. 5s Qd nett) New York, 1914 



15935 INTRODUCTION to the THEORY of ALGEBRAIC EQUATIONS, large post 8vo. buckram, 3s 



(p. 55 Qd nett) ibidem., 1903 



15936 DINGELDEY (Friedrich ; Technische Ilochschule, Darmstadt) Uber die ERZEUGUNG von 

 CURVEN 4. ORDNUNG durch Bewegungsmechanismen : Inaugural- Dissertation ; with 6 folding 

 plates, large 8vo. sewn (o. p.), 2s Qd Leipzig, 1885 



15937 SAMMLUNG von AUFGABEN zur ANWENDUNG der DIFFERENTIAL- und INTEGRALRECH- 



NUNG ; with 195 diagrams, 2 vols. large 8vo. cl., 13s 60? (p. M. 20) ibidem, 1910-13 



15938 DINT (Ulisse, Univ. Pisa) GRUNDLAGEN fiir eine THEORIE der FUNCTIONEN einer VERAN- 

 DERLICHEN REELLEN GROSSE, deutsch bearbeitet von JACOB LUROTH and ADOLF SCHEPP, 8vo. 

 hf. maroon morocco neat, cl. sides (fine copy), 9s Qd (p. M. 12 sewn) Leipzig, 1892 



DIRICHLET (Peter Gustav Lejeune) v. LEJEUNE-DIRICHLET, post. 



15939 DIXON (Alfred Cardew) The ELEMENTARY PROPERTIES of the ELLIPTIC FUNCTIONS, with 

 Examples, with diagrams, post 8vo. buckram, 3s (p. 5s) 1894 



15940 DODGSON" (Charles (Lutwidge, deacon; ' LEWIS CARROLL', author of * Alice in Wonder- 

 land') CURIOSA MATHEMATICA : I. A NEW THEORY of PARALLELS: II. PILLOW PROBLEMS, 

 thought out during wakeful Hours, with diagrams, 2 vols. post 8vo. original cloth (scarce), 

 10s Qd 1895 



15941 ELEMENTARY TREATISE on DETERMINANTS, with their Application to Simultaneous 

 Linear Equations and Algebraical Geometry, cr. 4to. cl., with inscr. 'FROM THE AUTHOR' 

 (SCARCE), 1. Is 1867 



' Presenting the subject as a continuous chain of argument, separated from all accessories of explanation or illustration, 

 a form which I venture to think better suited for a treatise on exact science than the semi-colloquial semi-logical form 

 often adopted by mathematical writers.' Preface. 



These were some of the mathematical books which were supplied to Queen Victoria when she ordered the other works 

 of the author of Alice in Wonderland. 



15942 DOEHLEMANN (Karl; Munich) GEOMETRISCHE TRANSFORMATIONEN ; with 189 illus- 

 trations, 2 vols. large cr. 8vo. cl., 12s Qd (p. M. 20) Leipzig, 1902-8 



