33. Stimmi, stibi, alabastrum, larbasis, or platy-ophthalmon 115 34. Seven remedies derived from stimmi _ib._ 35. The scoria of silver. Six remedies derived from it 116 36. Minium: for what religious purposes it was used by the ancients 119 37. The discovery and origin of minium 120 38. Cinnabaris _ib._ 39. The employment of cinnabaris in painting 121 40. The various kinds of minium. The use made of it in painting _ib._ 41. Hydrargyros. Remedies derived from minium 124 42. The method of gilding silver _ib._ 43. Touchstones for testing gold 125 44. The different kinds of silver, and the modes of testing it _ib._ 45. Mirrors 126 46. Egyptian silver 128 47. Instances of immense wealth. Persons who have possessed the greatest sums of money 129 48. At what period the Roman people first made voluntary contributions 131 49. Instances of luxury in silver plate _ib._ 50. Instances of the frugality of the ancients in reference to silver plate 132 51. At what period silver was first used as an ornament for couches 134 52. At what period silver chargers of enormous size were first made. When silver was first used as a material for sideboards. When the sideboards called tympana were first introduced _ib._ 53. The enormous price of silver plate 135 54. Statues of silver 136 55. The most remarkable works in silver, and the names of the most famous artists in silver 138 56. Sil: The persons who first used it in painting and the method they adopted 140 57. Cæruleum 141 58. Two remedies derived from cæruleum 143 BOOK XXXIV. THE NATURAL HISTORY OF METALS. 1. The ores of brass 147 2. The different kinds of copper 148 3. The Corinthian brass 149 4. The Delian brass 151