XVI 



Illustrations 



FIG. PAGE 



144. 2-lb. Smolt, confined in reservoir two years after becoming a smolt . .137 



145. Live Salmon with disease, under shade of a tree. December 1903 . .144 



146. iS-lb. Female Salmon, unspawned. November 1900 . . . . .145 



147. Two Male 4O-lb. Salmon, unspawned, found together as shown, cast up on 



the beach. December 1906 . . . . . .146 



148. i6-lb. Female Salmon, partly spawned, almost dead. November 1906 . 147 



149. Showing fungus developed after the fish was dead for a considerable time . 148 



150. 7-lb. Male Grilse, showing fungus partly developed on head. December 1905 . 149 



151. 2o-lb. Female, showing fungus fully developed on head. December 1904 . 150 



152. igi-lb. Sea-Trout. Largest ever caught in the Tay. June 1908 . . 154 



153. Salmon, showing number of scales from adipose fin to lateral line to be ten . 155 



154. Sea-Trout, showing scales from the adipose fin to the lateral line . .156 



155. Life-size Yellow-fin Smolt of the Sea-Trout, ist May 1905 . . .157 



156. Life-size Yellow-fin Smolts of Sea-Trout, going to sea. River Tay. ist May 1905 158 



157. i-lb. \Yhitling. First return from the sea. July 1900 . . . .159 



158. 12-oz. Sea-Trout, confined in Bertha Loch one year after becoming a smolt. 



June 1906 . . . . . . . . .160 



159. i -Ib. \Yhitling. April 1904 ....... 161 



160. i^-lb. Sea-Trout. I5th May 1904. Second return from the sea . .162 



161. 2^-lb. Sea-Trout, ist July 1904 . . . . . .162 



162. 2-lb. Sea-Trout, caught in the Tay 5th February 1907 . . . .163 



163. Scale of Yellow-fin. i^ oz. 27th April 1907 . . . 164 



164. Scale of Sea-Trout. i Ib. Caught at sea, 3ist July 1907 . . 164 



165. Scale of Sea-Trout, gibs. Coquet, 25th July 1907 .... 165 



1 66. i8^-lb. Sea-Trout, caught in the Tay June 1900 . . . .166 



167. i4-lb. Tay Sea-Trout. I4th August 1906 . . . .167 



1 68. 7-lb. Sea-Trout, from the Coquet, Northumberland. 25th July 1907 . .168 



169. Sea-Trout from the Coquet, average 7 Ibs. 25th July 1907 . . .169 



170. Supposed by fishermen on the Coquet to be a cross between Salmon and Sea- 



Trout. 9 Ibs. 9th July 1907 . . . . . .170 



171. (i) 7-lb. Grilse. (2) 7-lb. Sea-Trout. 7th July 1906. The Tay . . 171 



172. 8-lb. Sea-Trout. The Tay. igth August 1907 .... 172 

 I 73- (0 8-lb. Sea-Trout. (2) 5-lb. Grilse. Tay. ijth July 1907 . . 173 



174. Different types of Sea-Trout, 2 Ibs. to 8 Ibs. The Tay. August 1905 . 174 



175. Different types of Sea-Trout. The Tay. August 1905 . . .175 



176. Sea-Trout, caught with fly in the sea. Scourie, Sutherland. July 1904 176 



177. Heads of Sea-Trout. July 1907 . .... 177 



178. 5-lb. Kelt Sea-Trout, from the River Earn. March 1901 . . .178 



179. Gill of a 2o-lb. Salmon which has spawned and returned as a clean fish, showing 



maggots on gill, which is partly eaten away . . . . i So 



