HENRY SOTHERAN & CO., 140, STRAND, W.C., AND 43, PICCADILLY, W. 471 



HODGSON (James, F.E.S.) CATALOGUE of ECLIPSES of JUPITER'S SATELLITES for 1735 

 v. HADLEY, No. 8777, ante. 



9354 The DOCTRINE of FLUXIONS, founded on SIR ISAAC NEWTON'S METHOD, published by 



himself in his Tract upon the Quadrature of Curves, first edition, with numerous diagrams, 4t<>. 

 old calf gilt, newly reoacked (rare], 1. Is 1736 



9355 REIMPRESSION, with numerous diagrams, 4to. old calf, 16s 6d 1758 



' Introducing the true method of fluxions, most of the books that have hitherto appeared on that subject having in 

 them little more than the name, the principles on which they have proceeded being the same with the differential 

 calculus ; so that by calling a differential a fluxion, and a second differential a second fluxion, etc., they have so confusedly 

 jumbled the methods together, that people who have not been thoroughly acquainted with them, have been led into many 

 mistakes.' Intro. 



9356 INTRODUCTION to CHRONOLOGY : containing an ACCOUNT of TIME, also of the most 



remarkable CYCLES, EPOCH'S, ERA'S, PERIODS and MOVE ABLE FEASTS, with brief Account of the 

 several METHODS proposed for the Alteration of the Style, the REFORMING the CALENDAR, and 

 fixing the True Time of the Celebration of EASTER, 8vo. sewn, 6s 1747 



9357 HODGSON (John Ernest, F.R.G.S.) The DREDGING of GOLD PLACERS, with 18 plates, 8vo. cl., 

 3s 6d (p. 5s nett) 1911 



9358 HODSON (F.) ; BROAD LINES in SCIENCE TEACHING, edited by ; with Introduction by M. E. 

 SADLER, with plate, 8vo. cl., 3s (p. 5s nett) [1909] 



9359 HOEFER (Ferdinand) HISTOIRE de 1'AsTRONOMiE, depuis ses Origines jusqu'a nos Jours; 

 with woodcuts, thick post 8vo. sewn, 2s 1873 



9360 ANOTHER COPY, hf. cl., 2s 6d 



9361 HISTOIRE de la CHIMIE, depuis les Temps les plus recules jusqu'a notre Epoque, 2 vols. 



8vo. sewn, 5s (p. F. 17) 1842-3 



9362 HISTOIRE des MATHEMATIQUES, depuis leurs Origines jusqu'au Commencement du XIX e 



Siecle, 2 e Edition ; with diagrams, thick post 8vo. hf. cl., 2s Qd 1879 



9363 HISTOIRE de la PHYSIQUE et de la CHIMIE, depuis les Temps les plus recules jusqu'h, nos 



Jours ; with 33 woodcuts, post 8vo. hf. cl. (o.p.}, 4s 1872 



9364 HOFF (Jacobus Hendrik van 't; F.R.S.) ACHT VORTRAGE liber PHYSIKALISCHE CHEMIE ; 

 with 9 diagrams, 8vo. sewn, 2s Braunschweig, K02 



9365 HtfFFLM AYR, (Martin), und C. P. PRUCKNER : Die FABRIKATION des BLAUSALZES 

 oder des krystallisirten Kalium Eisen-Cyaniirs im Grossen ; with folding plate, 8vo. sewn, 5s 



Hof, 1837 



9366 HOFFMANN (Friedrich ; Univ. Berlin) UEBERSICHT der OROGRAPHISCHEN und GEOGNOSTI- 

 SCHEN VERHALTNISSE vom NORDWESTLICHEN DEUTSCHLAND ; with 3 copperplates (2 folding and 

 tinted), 2 vols. 8vo. in 1, hf. calf (sound copy), 5s Leipzig, 1830 



9367 HOFFMANN (Johann Josef Ignaz v.) Der PYTHAGORISCHE LEHRSATZ, mit 32 theils 

 bekannten, theils neuen Beweisen versehen, 2. mit [3] neuen Beweisen vermehrte Ausgabe ; with 

 38 diagrams, 4to. boards (scarce), Is 6d Mainz, 1821 



The most extensive collection of proofs ever published of Euclid I, 47. 



9368 HOFLER (Alois ; Univ. Vienna) DIDAKTIK des MATHEMATISCHEN UNTERRICHTS ; ivith 2 

 folding plates and 147 diagrams, roy. 8vo., cl., 8s (p. M. 12) Leipzig, 1910 



9369 HOFMANN (August Wilhelm v. ; F.R.S.) CHEMICAL INVESTIGATION of the ORGANIC BASES 

 contained in COAL-GAS NAPHTHA, 8vo. (pp. 32), sewn, uncut (scarce), 5s 1844 



9370 On the COMBINING POWER of ATOMS, -with woodcuts, 8vo. (pp. 30), sewn, 4s Qd 1865 



' Professor [M. H. N. StoryJ Maskelyne [F.R.S.] with the Author's kind regards.'- Inscr. on cover. 



9371 On the COMPOSITION of MESITILOLE, and some of its DERIVATIVES, 8vo. (pp. 12), sewn, 



3s [c. 1848] 



9372 Zur ERINNERUNG an VORANGEGANGENE FREUNDE : GESAMMELTE GEDACHTNISSREDEN ; 



with portraits andfss., 3 vols. 8vo. cl., with author's inscr. as below, 12s Qd (p. M. 23) 



Braunschweig, 1888 



' Hrn. Dr. [Sir] M. Holtzmanu mit freundschaftlichem Grusse des Verf.' Inscr. on flyleaf. 

 Including notices of Thomas Graham, Liebig, Heinrich Buff, H. v. Fehling, Friedrich Wohler, J. B. A. Dumas, Q. Sella, 



Gustav Kirchhoff, A. Wurtz, and others. 



' Characterised by the loving care with which he enters into the life and works of the men whom he extols, besides 



being written in a most fascinating style.' Prof. E. v. Meyer. 



9373 Sur la FORCE de COMBINAISON des ATOMES, traduit, avec Apercu rapide de Philosophic 



Chimique, par 1'ABBE F. N. R. MoiGNO ; ivith 20 woodcuts, cr. 8vo. (pp. 67), sewn, 2s 6d 1866 



9374 INTRODUCTION to MODERN CHEMISTRY, Experimental and Theoretic, ivith 65 woodcuts, 



post 8vo. cl. (scarce), 10s Qd 1865 



9375 A THICK PAPER COPY, cl., with author's inscr. as below, 15s 



'B. T. Duppa Esq. [F.R.S.] in token of the Author's sincere regards and in memory of the gratifying evening of 

 April 28 1865.' Inscr. on flyleaf. 



A work which led to great reforms in the teaching of chemistry. 



9376 On MAUVE and MAGENTA, with 3 coloured specimens of silk, Svo. (pp. 16), unbound, with 



author's inscr. to Sir E. Frankland, F.R.S., 3s 1862 



9377 NOTE on the ACTION of HEAT on VALERIC ACID ; with some Remarks on the Formula 



of the Alcohol-Radicals, Svo. (pp. 14), sewn, 3s [c. 1850] 



9378 RESEARCHES regarding the MOLECULAR CONSTITUTION of the VOLATILE ORGANIC BASES, 



4to. (pp. 39), sewn (scarce), 6s Qd . 1850 



Containing the author's important investigations on amine bases, which were of great importance in the establishment 

 of Gerhardt's theory of types. 



9379 Ueber eine SICHERE REACTION auf BENZOL, Svo. (pp. 6), sewn, with MS. note by the 



author, 3s [Leipzig, 1845] 



