36 REPORTS ON THE STATE OF SCIENCE.—1917. 
Papers relating to the Theory of Tanning and its Applications. 
1912. 
Meunier, L., and SeveweTz, A., ‘ Coll.,’ 1912, 14, 54. 
‘Formation du cuir par deshydratation.’ 
Dehydration by saturated solutions of potassium carbonate. 
Sanp, H. J. S., Woop, J. T., and Law, D. J., ‘J.8.C.1.,’ 1912, 31, 210, and ‘ Coll.,’ 
1912, 11, 158. 
‘ Quantitative determination of the falling of skin in the puering and bating 
process. 
: An apparatus for measuring compression and elasticity. 
Hoveu, A. T., ‘ Leather World,’ 1912, 4, 190, 268. (Abst., ‘ J.A.L.C.A.,’ 1912, 7, 385.) 
‘Swelling and solubility of hide in acids.’ 
Meunier, Louis, ‘ Coll.,’ 1912, 11, 420. 
‘Le Tannage au Formol: 
Necessity of dehydration. 
Gare ut, F., ‘ Coll.,’ 1912, 11, 419. (Abst., ‘J.8.C.1.,’ 1912, 31, 830.) 
‘Le tannage par les sels de cerium.’ 
(Cp. ‘ Coll.,’ 1911, 10, and ‘ Gerber,’ No. 887, 1911.) 
Procter, H. R., ‘ Coll.,’ 1912, 11, 687. 
‘ Note on the pickling process.’ 
Woop, J. T., ‘Tanners’ Yearbook,’ 1912, 116. 
‘Rising or pickling of skins.’ 
Buocxey, J. R., ‘Tanner’s Yearbook,’ 1912, 98. 
‘ The soaking of skins by means of formic acid.’ 
Srrasny, E., ‘J.A.L.C.A.,’ 1912, 7, 301. (Abst., ‘J.S.C.L,’ 1912, 31, 694.) 
‘ Applications of the Jaw of mass action to some of the reactions of the tanning 
process.’ 
Woop, J. T., and Law, D. J., ‘J.S.C.1.,’ 1912, 34, 1105, and ‘ Coll.,’ 1913, 12, 43. 
‘Some notes on the enzymes concerned in the puering and bating process.’ 
CHEMISCH-TECHNOLOGISCHE STUDIENGESELLSCHAFT, D.R.P., Nr. 253171, 22/3/1910 
(1/11/1912), ‘ Koll. Zeitschr.,’ 1912, 11, 313. 
The use of acetone or alcoholic solutions of tannins for quick tanning. 
1913. 
Tuvan, N. J., ‘ Coll.,’ 1913, 12, 237. 
‘ Développement de l’emploi des huiles émulsionables et des émulsions en tannerie.’ 
Woop, J. T.,Sanv, H. J.S., and Law, D. J.,‘ J.S.C.1.,’ 1913, 32, 398, also‘ J.A.L.C.A.,’ 
1913, 8, 247, and ‘ Coll.,’ 1913, 12, 355. 
‘The quantitative determination of the falling of skin in the puering or bating 
process, Part II.’ (Cp. Part I., 1912.) Draws a distinction between capillary and 
jelly-water. 
SommeERHOFE, E. O., ‘ Coll.,’ 1913, 12, 381. 
‘ Gerbung der Haut durch “‘ unlosliche”’ Metalgallerten, und Schlussfolgerungen 
auf die Tanninanalyse.’ 
Tbid., ‘ Coll.,’ 1913, 12, 416. 
‘ Ueber die katalytische Wirkung der Gerbstoffkolloide als Trager des Luftsauer- 
stoffs’ (‘ Pseudobacterien ’). 
Ibid., ‘ Coll.,’ 1913, 12, 531. 
‘ Ueber schwerlésliche Gerkstoffe.’ 
Tbid., ‘ Coll.,’ 1913, 12, 533. (Abst., ‘J.8.C.1.,’ 1914, 38, 95.) 
‘Ueber die Gerbung und Beschwerung von Haut und Seide unter besonderer 
Beriicksichtigung des Kolloidwassers.’ (Cp. ibid., 638.) 
(Wordy and theoretical papers with little experimental basis.—H. R. P.) 
GaRELui, F., and Apostoto, C., ‘ Coll.,’ 1913, 12, 422. (Eng. abst., zbid., 549.) 
‘ Action des sels de bismuth sur la peau.’ 
GaRELLI, F., and Apostoxo, C., ‘ Coll.,’ 1913, 12, 425. (Eng. abst., ibid., 611.) 
‘ Sur le tannage par les acides gras et résineux.’ 
Procter, H. B., ‘ Leather Trades Yearbook,’ 1913, 75. 
‘ The acid deliming process.’ 
Satomon, J. B., ‘ Leather Trades Yearbook,’ 1913, 143. 
‘Notes on the theory of fat liquoring.’ 
