*Tuchschmeidt*; Jahresb., 1871, 967. *Zierl*; Baierisch. Kunst. Gewerbebl, 1838. BEER. *Blas*; Viertelj. f. prakt. Pharm., xxi, 584. *Brunner*; Archiv der Pharm., April, 1873; Dings. poly. Jour., ccix, No. 6; Jour. de Pharm. et de Chim., Sept., 1873; Poly. Nolizblatt, No. 17, 1873. *Dietz*; Neues Jahresb. f. Pharm., xxxix, No. 1. *Dragendorff*; Archiv. der Pharm., April and May, 1874; Dings. poly. Jour., ccxiv, pp. 33, 389. *Dullo*; Wieck's Gaz., 1865, 64. *Gunckel*; Arch. f. Pharm., clxiv. *Kubinki*; Le Technol, No. 397; (trans.) Amer. Chem., Nov., 1874; Dings. poly. Jour. ccxi, 360. *Langley*; Chem. Centralb., 1865, 184. *Meme*; Compt. rend., 2me sem., No. 123. *Michælis*; Ill. Gewerbz., 1871, 8. *Muspratt's* Chem. i, 281. *Pohl*; Wiener Akad. Ber., xii, 88. *Ritter*; Pharm. Zeitsch. f. Russl., i, pp. 304, 414. *Shafhauel*; Ding. poly. Jour., cxxxii, 299. *Schmidt*; Jour. f. prakt. Chem., lxxxvii, 344. *Stolber*; ibid, xciv, iii. *Ure's* Dict. Chem., 4th edit., 1831, p. 203. *Vogel and Hammon's* Mitth., 1860, 184. *Wittstein*; Archiv der Pharm., Jan. 1875. On the testing of Vinegar. *Bussy and Buignet*; Jahresb., 1865, 69. *Greville*; Ding. poly. Jour., cxxxi, 139. *Liebig, Poggendorff and Wohler*; Handwörterb, ii, 867. *Mohr*; Ann. Ch. Pharm., xxxi, 277. *Mollerat*; Ann. Chim., lxviii, 88. *Nicholson*; Ding. pol. Jour., cxxxix, 441. *Otto*; Ann. Chem. Pharm., cii, 69. *Roscoe*; Chem. Soc. Jour., xv, 270. *Runge*; Gewz. Bayer. 1871, 4. *Strohl*; Jour. de Pharm. et de Chim., Sept., 1874. *Toorn*; Jour. f. Chem., vi, 171. *Wagner*; Chem. Tech., (English trans.) p. 467. *Williams*; Pharm. J. Trans., xiii, 594. On the detection of adulterations in Sulphate of Quinine. *Delondre and Henry*; J. Pharm., [3] xxi, 281. *Gmelin's* Handbuch, xvii, 280. *Guibourt*; J. Pharm., [3] xxi, 47. *Henry*; ibid, xiii, 107. *Hesse*; Ann. Ch. Pharm., cxxxv, 325; Jahresb., 1865, 441. *Korner*; Zeitsch. f. Chem., J. i, 150; Jahresb. 1862, 619. *Phillips*; Lond. Lanc., i, 820. *Riegel*; Jahresb. f. Pharm., xxv, 340. On the detection of Blood Stains. *Barruel*; Ann. d'Hygiéne pub., i. 267; ibid, No. 6, 1829. *Bertolet*; Am. Jour. Med., Sc., Jan., 1874. *Brucke*; Jahresb., 1857, 609. *Van Deen*; Zeitsch. f. anal. Chem., ii, 459. *Erdman*; Jour. pr. Chem., lxxxv, 1; Jahresb., 1862, 634. *Falck*; Ber. Klinisch. Wochb., 1872. *van Geuns and Gunning*; Zeitsch. f. anal. Chem., 1871, 508. *Gwosden*; Wiener Akad. Ber., liii, [2] 683; Jahresb., 1866, 746. *Helwig*; Zeitsch. f. anal. Chem., 1872, 244. *Hirsch*; N. J. Pharm., xxxii, 140. *Hoppe-Seyler*; Med. Chem. Unters., i, 298; Jahresb., 1867, 805. *Krauss*; Jahresb., 1861, 792. *Liebig, Poggendorff and Wohler*; Handwörterb., iv, 177. *Liman*; Jahresb., 1863, 715. *Lowe*; Pharm. Centralb., 1854, 137.