SYSTEMATIC INDEX. 



Constituents, p. 28.— § 33. Aldehydes, p. 29.— § 34. VolatUe 

 Acids, p. 29. — § 35. Ethereal Salts and the Alcohols contained 

 in them ; Primary, Secondary, and Tertiary Alcohols, p. 29. 



III. Examination of the Sdbstanoes Soluble m Etheb : Resins 



AND THBIB ALLIES . . . . . .31 



§ 36. Methods of Extraction ; Fixed Oil, p. 31.— § 37. Chlorophyll, 

 p. 32.— § 38. Portion of the Ethereal Extract Soluble in Water ; 

 Hsematoxylin, Uallic Acid, Glucosidea, Alkaloids, etc., p. 32. — 

 § 39. Portion Soluble in Alcohol, p. 33. — § 40. Microchemical 

 Examination ; Treatment of the Substances dissolved by Ether 

 with various Solvents ; Crystallization, etc., p. 33. — § 41. 

 Behaviour of Kesin to Aqueous and Alcoholic Potash, Sulphuric 

 Acid, Nitric Acid, Eromine, etc. , p. 34. — § 42. !^ction of fused 

 Potash, Kesorcin, Fhloroglucin, Pyrogallol, Protocatechnic and 

 Paroxybenzoic Acids, p. 34. — § 43. Dry Distillation of Besin ; 

 UmbeUiferone, Pyrocatechin, p. 36.-^§ 44, Examination of that 

 Part of the Ethereal Extract dissolved by Alcohol ; Paeonio- 

 fluorescin, Chrysophanic Acid, etc., p. 36. — § 45. Acids pro- 

 duced by the Action of Alkalies on Anhydrides ; Santonin, etc., 

 p. 36.— § 46. Direct Extraction with Ether, p. 36. 



IV. Examination of the Substances Soluble in Absolute Alcohol ; 



IIbsins, Tannins, Bittkb Pbinoiples, Alkaloids, Glucoses, etc. 38 

 § 47. Methods of Extraction ; Estimation of Total Substances dis- 

 solved, p. 38. — § 48. Estimation of the Portion Soluble in 

 Water ; Fhlobaphenes, Alkaloids, etc., p. 38. 

 Examination of Tannin . . . . . .39 



§ 49. Detection, p. 39.— § 50. Detection continued, p. 39.— § 61. 

 Reactions of most Tannins ; Microchemical Detection ; Alcohol 

 more suitable for their Extraction than Water, p. 40.— § 52. 

 Methods for their Estimation : I. Acetate of Lead, p. 41 ; II. 

 Acetate of Copper, p. 42 ; III. Stannous Chloride, p. 42 ; IV. 

 Tartar Emetic, p. 42 ; V. Acetate of Zinc, p. 43 ; VI. Ferric 

 Acetate, p. 43 ; VII. Permanganate of Potassivim, p. 43 ; VIIL 

 Chlorinated Lime, Iodic Acid, Iodine, p. 45 ; IX. Caustic 

 Potash and Atmospheric Air, p. 45 ; X. Cinchonine, p. 45 ; XI. 

 Hide, p. 46; XIL Gelatine, p. 46.— § 53. Tannic and Gallic 

 Acid, p. 47 

 Examination foe Glucosidbs, Alkaloids, etc. . . .48 



§ 54. By the Method of Agitation, p. 48.— § 55. List of Bitter Prin- 

 ciples, Acids, etc , removable from Acid Solution, by Agitation 

 with Petroleum Spirit, Benzene, Chloroform, p. 49. — § 56. Ex- 

 traction of Alkaloids from Ammoniacal Solution, p. 49. — § 57. 

 Direct Test for Glucosides, Alkaloids, etc., p. 50. — § 58. Isola- 

 tion and Purification of Substances not removable by Agitation ; 

 Separation from Glucose, etc., p. 51. — § 59. Separation of cer- 

 tain Glucosides and Bitter Principles from Tannin, etc., p. 52. 

 — § 60. Decomposition of Compounds of" Lead with Bitter 

 Principles, etc., p. 52. — § 61. Detection of the Glucosidal 

 Nature of a Substance, p. 53. — § 62. Other Reactions of Gluco- 

 sides, p. 54. — § 63. Alkaloids not Isolated by the Method of 

 Agitation ; Group-reagents ; Lassaigne's Nitrogen Test, p. 55. 

 — § 64. Isolation by Precipitation with Potassio-mercurio 

 iodide, etc., p. 57. — § 65. Estimation, p. 58. — § 66. Estimation 



