PLATES.


PAGE
I. Tea Plant frontispiece
II. Tea Leaves 17
III. Tea and other Leaves 18
IV. Cream and Cow’s Milk 61
V. Skimmed and Colostrum Milk 62
VI. Butter and Oleomargarine 78
VII. Fat Crystals 79
VIII. Artificial Digestion of Butter and Oleomargarine 82
IX. Starches 100
X. Polariscope 112
XI. Organisms in Water 218
XII. Spices 252