404 HENRY SOTHEKAN «& CO., 140, STKAND, W.C, and 43, PICCADILLY, W. 



9S54 J0NE3 {Chapman, f.c.s.) Introduction to the Science and Practice of Photography; 

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9855 JONES (D. E.) Examples in Physics, 2nd Edition, enlarged, with 18 diagrams, fcap. 8vo. cl., 

 Is Qd 1893 



9856 JONES (E.) Review of Facts and Observations, made by Naturalists, Botanists, Historians, 

 and Travellers, on the Properties and Productions of the ISUGAR Maple Tree, the Process of 

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9857 JONES (Edward Thomas) English System of Book-Keeping, by Single or Double 

 Entry, in which it is Impossible for an Error of the most Trifling Amount to be Passed 

 Unnoticed, 4to. old calf {rare), 12s Qd Bristol, 1796 



The author claims to have invented a new system of book-keeping, which is described in the above work. Added is a 

 ' license' to practise it, numbered and tilled up by the author. 



9858 JONES (Harry Clary, Johns Hopkins Univ.) The ATOMIC Weight of Radium and the 

 Periodic System, 8vo. (pp. 5), seicn, Is [Baltimore, 1905] 



9859 Tiber die Bestimmung des Gefrierpunktes von verdunnten Losungen einiger 



Sauren, Alkalien, Salze und organischen Verbindungen ; ivith 4 diagrams, Svo. (pp. 34), seivn, with 

 inscr. to Sir E. Thorpe, Is 6d Leipzig, 1893 



9360 The Dissociation of Compounds in Water as measured by ithe Lowering ' of the 



Freezing-Point, and some Investigations with Organic Compounds, with 6 folding plates, Svo. 



(pp. 33), sewn, with inscr. to Sir E. Thorpe, 2s 1893 



9861 The Introduction of Physical Chemical Conceptions in the Early Stages of 



Teaching Chemistry, roy. 8vo. (pp. 16), seion, \s M [New York, 1912] 



9S62 The Nature of Solution, with Q plates, 8vo. (pp. 22), sewn, Is Qd [Philadelphia], 1912 



9863 The Present Status of the Solvate Theory, roy. 8vo. (pp. 57), sewn, 2s 



[Baltimore, 1909] 

 9864 The Theory of Electrolytic Dissociation, and some of its Applications, with 



9 illustrations, 8vo. cl., 4s 6c? (p. 7s nett) New York, 19(X) 



9865 , and John A. ANDERSON: The Absorption Spectra of Neodymium Chloride 



and Praseodymium Chloride in Water, Methyl and Ethyl Alcohol, and their Mixtures, Q plates, 

 roy. Svo. (pp. 22), sewn. Is Qd [Philadelphia'], 1908 



9866 ; The Absorption Spectra of Solutions of a Number of Salts in Water, in 



certain non-Aqueous Solvents, and in Mixtures of these Solvents with Water, with 25 plates, roy. 

 Svo. (pp. 94), sewn, 2s Qd [Baltimore^, 1909 



9S67 , and H. P. BASSETT : The Approximate Composition of the Hydrates formed by 



certain Electrolytes in Aqueous Solutions at different Concentrations, 11 diagrams, roy. Svo. 

 (pp. 53', sewn. Is %d [ih.], 1905 



9868 — Determination of the Kelative Velocities of the Ions of Silver Nitrate 



in Mixtures of the Alcohols and Water, and on the Conductivity of such Mixtures, 2 plates and 

 5 diagrams, roy. Svo. (pp. 37), sewn. Is &d [ib.], 1904 



9369 , and iEugene C. BINGHAM: The Conductivity and Viscosity of Solutions of 



certain Salts in Mixtures of Acetone with Methyl Alcohol, with Ethyl Alcohol, and Water, 

 22 diagrams, roy. Svo. (pp. 74), sewn, 2s [ib.], 1905 



9S70 -, and Charles G. CARROLL : A Study of the Conductivities of certain Electro- 

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9371 , and C. A. JACOBSON : The Conductivity and Ionization of Electrolytes in 



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9S72 , and James Newton PEAROE : Dissociation as Measured by Freezing-Point 



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 (pp. 61), sewn, 2s [ib.], 1907 



9873 , and Charles M. STINE : The Effect of one Salt on the Hydrating Power of 



another present in the same Solution, 21 diagrams, roy. Svo. (pp. 90), sewn, 2s [«6.],il90S 



9374 , and W. W. STRONG: The Absorption Spectra of certain Salts of Cobalt, 



Erbium, Neodymium, and Uranium, as affected by Temperature and by Chemical Reagents, 

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9375 The Absorption Spectra of comparatively Rare Salts. The Spectro- 



PHOTOGRAPHY of certain Chemical Reactions, and the Effect of High Temperature on the 

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[ib.], 1912 



9376 The Absorption Spectra of various Salts in Solution, and the Effects of 



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9877 Selective Oxidation, roy. Svo. (pp. 3), sewn. Is [ib.], 1910 



^378 , and Horace S. XJHLER : The Absorption Spectra of certain Salts in Aqueous 



Solution as affected by the Presence of certain other Salts with large hydrating Power, with 21 

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9879 The Absorption Spectra of certain Salts in NoN- Aqueous Solutions, as 



affected by the Addition of Water, 14 plates, rov. Svo. (pp. 31), sewn, 2s [ib.], 1907 



SSSO , and Aug-ustus P. WEST : Study of the Temperature Coefficients of Con- 

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