lours known by the name of blue blacks.

A full account of the process and ingredients employed, together with their proportions, attested by satisfactory certificates, as well as samples of the silk or wool so dyed, to be produced to the Society on or before the first Tuesday in February, 1826.

Dyeing with Lac Lake, or with the Colouring Matter of Lac.

82. To the person who shall invent and discover to the Society a process for dyeing silk, wool, or cotton with lac lake, or with the colouring matter of lac, superior to any now in use; the Gold Medal, or Thirty Guineas.

A full account of the process, with certificates that it has been found to answer completely in use, and specimens of articles so dyed, to be produced to the Society on or before the first Tuesday in February, 1826.

Preparation of a Red Stain for Cotton Cloth.

83. To the person who shall communicate to the Society the most effectual method of printing or staining cotton cloth with a red colour, by an immediate application of the colouring matter to the cloth, equally beautiful and durable with the red colours now generally procured from decoctions of madder ;-the Gold Medal, or Fifty Guineas.

Certificates that the process has been advantageously used on ten pieces of calico, each twenty-one yards or upwards in length; one piece of the calico so printed, one pound of the colour, and a full account of the preparation and application thereof, to be produced to the Society on or before the second Tuesday in February, 1826.

Preparation of a Green Colour

for Printing Cotton Cloth.

84. To the person who shall communicate to the Society the best method of printing with a full green colour on cotton cloth, by an immediate application of the

colouring matter from a wooden block to the cloth, equally beautiful and durable as the colours now formed from the complicated process of the decoction of weld, and the solutions of indigo;-the Gold Medal, or Fifty Guineas.

Certificates and conditions as for premium 83.

Permanent White Paint for the use of Artists.

85. To the person who shall produce to the Society a white paint for oil, superior to any hitherto known, and not liable to be discoloured by exposure to light, or to sulphuretted hydrogen gas-the Gold Medal, or Thirty Guineas.

A full account of the process, and 1lb. of the colour, to be produced to the Society on or before the second Tuesday in February, 1826.

Red Pigment.

86. To the person who shall discover to the Society a full and satisfactory process for preparing a red pigment, fit for use in oil or water, equal in tone and brilliancy to the best carmines and lakes now known or in use, and perfectly durable;-the Gold Medal, or Fifty Guineas.

One pound weight of such colour, and a full disclosure of its preparation, to be produced to the Society on or before the first Tuesday in February, 1826.

N. B. It is required, that the colour should remain unaltered by common exposure to strong light, damps, and noxious vapours.

Blue Pigment.

87. To the person who shall prepare a blue pigment, equal in colour, brilliancy, and durability, to the best ultramarine prepared from lapis lazuli, and which be may afforded at a cheaper rate;-the Gold Medal, or Thirty Guineas.

The conditions are the same as in the preceding premium for the red pigment.

Colourless Lac Varnish.

88. To the person who shall produce to the Society a varnish made from shell or seed lac, equally hard and as fit for use in the arts as that at present prepared from the above substances, but, deprived of its colouring matter; -the Gold Medal, or Thirty Guineas.

A full account of the process, and one quart of the varnish, to be produced to the Society on or before the second Tuesday in January, 1826.

Stone for Lithography.

89. To the person who shall discover within Great Britain or Ireland, a quarry of stone fit for the purposes of lithography, equal at least to the stones imported from abroad;-the Gold Medal, or Fifty Guineas.

A specimen of the stone, at least two feet square and two inches in thickness,

with an account of the situation of the quarry, and certificates of its possessing considerable extent, to be produced to the Society on or before the last Tuesday in February, 1826.

90. To the person who shall discover and communicate to the Society any substance equally fit for the purposes of lithography with the best stones imported from abroad;-the Gold Isis Medal, or Thirty Guineas.

A full description of the process of preparing or composing the substance, with specimens thereof, to be produced to the Society on or before the first Tuesday in February, 1826.

Mineralogical and Geological County Maps.

91. To the person who shall complete and publish the best mineralogical and geological map of any county in the United Kingdom, on a scale of not less than one inch to a mile, containing an account of the situation of the different mines therein, and describing the kinds of minerals thence produced, with sections of the strata ;-the Gold Medal, or Fifty Guineas.

The map, with certificates of its accuracy, to be produced to the Society on or before the first Tuesday in February, 1826. One impression of the map to remain the property of the Society.

Mineralogical and Geological Map of Ireland.

92. To the person who shall complete and publish an accurate mineralogical and geological map of Ireland, on a scale of not less than five miles to an inch, eontaining particulars described in the foregoing premium ;-the Gold Medal, or Fifty Guineas.

The conditions are the same as in the preceding.

Mineralogical and Geological Map of Scotland.

93. The same premium is of fered for a mineralogical and geological map of Scotland, on similar

conditions.

HONORARY PREMIUMS FOR
NOBILITY.

To GentlemEN under the age of twenty-five, Sons or Grand

sons of Peers or of Peeresses in their own right in the United Kingdom.

94. For the best original paint

ing or drawing of an historical subject; the Gold Medal. For the next in merit, the Gold Isis Medal.

95. For the best copy of an historical subject; the Silver Medal. For the next in merit, the Silver Isis Medal.

96. For the best original painting or drawing of a portrait ;the Gold Isis Medal. For the next in merit, the Silver Medal.

97. For the best copy of a portrait; the Silver Medal. For the next in merit, the Silver Isis Medal.

98. For the best original painting or drawing of a landscape ;the Gold Isis Medal. For the next in merit, the Silver Medal.

99. For the best copy of a landscape-the Silver Medal. For the next in merit, the Silver Isis Medal.

100. For the best original painting of flowers or fruit ;-the Gold Isis Medal. For the next in merit, the Silver Medal.

101. For the best copy of fruit or flowers; the Silver Medal. For the next in merit, the Silver Isis Medal.

102. For the best original painting of still-life;-the Gold Isis Medal. For the next in merit,

the Silver Medal.

103. For the best copy of stilllife;-the Silver Medal. For the next in merit, the Silver Isis Medal.

To LADIES under the age of twenty-five,daughters or granddaughters of Peers or Peeresses in their own right of the United Kingdom.

104. For the best original painting or drawing of an historical sub

ject;-the Gold Medal. For the next in merit, the Gold Isis Medal.

105. For the best copy of an historical subject; - the Silver Medal. For the next in merit, the Silver Isis Medal..

106. For the best original painting or drawing of a portrait ;the Gold Isis Medal. For the next in merit, the Silver Medal.

107. For the best copy of a portrait-the Silver Medal. For the next in merit, the Silver Isis Medal.

108. For the best original painting or drawing of a landscape;the Gold Isis Medal. For the next in merit, the Silver Medal.

109. For the best copy of a landscape; the Silver Medal. For the next in merit, the Silver Isis Medal.

110. For the best original painting of flowers or fruit ;-the Gold Isis Medal. For the next in merit, the Silver Medal.

111. For the best copy of flowers or fruit;the Silver Medal, For the next in merit, the Silver Isis Medal.

112. For the best original painting of still-life;-the Gold Isis Medal. For the next in merit, the Silver Medal.

113. For the best copy of stilllife; the Silver Medal. For the next in merit, the Silver Isis Medal.

HONORARY PREMIUMS FOR GENTLEMEN AND LADIES. To GENTLEMEN under the age of eighteen.

114. For the best drawing in chalk, pencil or Indian ink, being a copy from any picture, priut, or

Drawings and Paintings in
Water-Colours.

117. For the best drawing in chalk, pencil, or Indian ink, from a statue or cast in plaster, of an entire figure-the Silver Medal. For the next in merit, the Silver Isis Medal.

118. For the best drawing in pencil, Indian ink, or chalk, of an historical subject, being a copy; the Silver Medal. For the next in merit, the Silver Isis Medal.

119. For the best painting in water-colours, of an historical subject, being a copy;-the Silver Medal. For the next in merit, the Silver Isis Medal.

120. For the best painting in water-colours of a portrait, being a copy;-the Silver Medal. For the next in merit, the Silver Isis Medal.

121. For the best painting in water-colours of a landscape, being a copy;-the Silver Medal. For the next in merit, the Silver Isis Medal.

122. For the best painting in water colours of flowers or fruit, being a copy;-the Silver Medal. For the next in merit, the Silver Isis Medal.

Paintings in Oil.

123. For the best copy in oilcolours of an historical subject ;the Silver Medal. For the next in merit, the Silver Isis Medal.

124. For the best copy in oilcolours of a portrait ;-the Silver Medal. For the next in merit, the Silver Isis Medal.

125. For the best copy in oilcolours of a landscape;-the Silver Medal. For the next in merit, the Silver Isis Medal.

126. For the best copy in oilcolours of flowers or fruit ;-the Silver Medal. For the next in merit, the Silver Isis Medal.

To GENTLEMEN under the age of twenty-five.

Drawings and Paintings in
Water-Colours.

127. For the best original painting in water-colours of an historical subject;-the Gold Isis Medal. For the next in merit, the Silver Medal.

128. For the best original painting in water-colours of a portrait, being a miniature ;-the Gold Isis Medal. For the next in merit, the Silver Medal.

129. For the best original painting in water-colours of a landscape; the Gold Isis Medal. For the next in merit, the Silver Medal.

130. For the best original painting in water-colours of flowers or fruit;-the Gold Isis Medal. For

the next in merit, the Silver Medal.

Paintings in Oil.

131. For the best original painting in oil-colours of an historical subject, consisting of not less than three figures;-the Gold Medal. For the next in merit, the Gold Isis Medal.

132. For the best original painting in oil-colours of a portrait ;the Gold Isis Medal. For the next in merit, the Silver Medal.

133. For the best original painting in oil-colours of a landscape; -the Gold Isis Medal. For the next in merit, the Silver Medal.

134. For the best original painting in oil-colours of flowers or fruit ;-the Gold Isis Medal. For the next in merit, the Silver Medal.

135. For the best original painting in oil-colours of still-life ; the Gold Isis Medal. For the next in merit, the Silver Medal.

To LADIES under the age of eighteen.

136. For the best drawing in pencil, Indian ink, or chalk, being a copy from any picture, print, or drawing, of a head or figure ;the Silver Isis Medal. For the next in merit, the Silver Palette.

137. For the best drawing in pencil, Indian ink, or chalk, of a landscape, being a copy;-the Silver Isis Medal. For the next in merit, the Silver Palette,

To LADIES under the age of twenty.

138. For the best drawing in pencil, Indian ink, or chalk, from a bust; the Silver Medal. For the next in merit, the Silver Isis Medal.

To LADIES under the age of twenty-one.

Drawings and Paintings in
Water-Colours.

139. For the best drawing in pencil, Indian ink, or chalk, from a statue or cast in plaster, of an entire figure;-the Silver Medal. For the next in merit, the Silver Isis Medal.

140. For the best drawing in pencil, Indian ink, or chalk, being a copy, of an historical subject;— the Silver Medal. For the next in merit, the Silver Isis Medal.

141. For the best painting in water-colours, being a copy, of an historical subject; -the Silver Medal. For the next in merit, the Silver Isis Medal.

142. For the best painting in water-colours of a portrait, being a copy-the Silver Medal. For the next in merit, the Silver Isis Medal.

143. For the best painting in water-colours of a landscape, being a copy-the Silver Medal. For the next in merit, the Silver Isis Medal.

144. For the best painting in water-colours, being a copy, of fruit or flowers ;-the Silver Medal. For the next in merit, the Silver Isis Medal,

Paintings in Oil.

145. For the best copy in oilcolours of an historical subject;the Silver Medal. For the next in merit, the Silver Isis Medal.

146. For the best copy in oilcolours of a portrait ;-the Silver Medal. For the next in merit, the Silver Isis Medal.

147. For the best copy in oilcolours of a landscape;―the Sil