156 
THE TANNINS. 
Darstellung eines Farbstoffes und eines Gerbmittels 
aus Katechu. Yon E. Ziegler. Dingier, 262 , 35 ; Ger¬ 
man Patent, No. 36,472. 
1887. 
Tannin: ils Present and Future Sources. By-Henry 
Trimble. Jour. Franklin Institute [3], 93 , 442. 
Animal Tannin. By M. Villon. Chem. News, 56 ,175. 
On a Gravimetric Method of Estimating Tannins. 
By Henry R. Procter. Jour. Soc. Chem. Ind., 6, 94. 
Die Gerb- unci Farbstoff-Extracte. Yon Dr. Stanis¬ 
laus Mierzinski. A. Hartleben’s Verlag, Wien, 1887. 
Determination of Tannin in Sumach. By J. Ma- 
cagno. Jour. Chem. Soc. Abstracts, 52 , 624; Chem. 
Central., 1887, 125. 
On the Estimation of Tannins, with critical Notes 
on the Methods of Hammer and Lowenthal. B}" 
Henry M. Rau. Jour. Am. Chem. Soc., 9 , 52. 
Nouveau procede de dosage du tannin. Par M. 
Villon. Bull. Soc. Chim., 47 , 97. 
Sur un acide tannique contenu dans les baies de 
sorbier. Par MM. Camill Vincent et Delachanal. Bull. 
Soc. Chim., 47 , 492. 
Note on Estimation of Tannin in Extracts of Su¬ 
mac. By T. Chalkley Palmer. Jour. Soc. Dyers and 
Col., 3 , 175. 
Analysis of some Tannin Matters. By P. Kay and 
E. Bastow. Jour. Soc. Dyers and Col., 3 , 132. 
Ueber Hemlockextract. Von F. Simand. Der 
Gerber, 13 , 102; Zeit. Chem. Industrie, 1 , 357. 
Isomerie dell’ aeido tannico. Di Ugo Schiff. Gazz. 
di Chim., 17 , 552; Berichte, 21 , 524 (Ref.). 
Ueber die Gerbsaure des Eichenholzes. Von Dr. Carl 
Bottinger. Annalen, 238 , 366. 
