LIST OF ILLUSTRATIONS. XXlll 



Fio. PAGE 



180. Inlet, elevation, ...... 258 



181. section, ....... 258 



182. plan, ... . . 259 



183. Plan of the Watercourses connecting the 300-feet Ponds with the 



130-feet Ponds, . . . 260 



THE MECHANICAL FEEDING APPARATUS IN THE 20-FEET PONDS, HOWIETOUN. 



184. Front and Side Elevation of Driving-pulley and Eccentric, . . 261 



185. Sketch showing Power- wheel working in the Main Aqueduct, with 



connections and detail, . . . . . .262 



186. Diagram explanatory of the working of the Apparatus, . . 263 



187. The Feeding-spoon, ..... 264 



DEEP HATCHING-TRAY. 



188. Transverse section, ....... 266 



189. Plan in position, . . . 266 



190. End elevation, . . 267 



QUADRUPLE HATCHING-BOX. 



191. Plan, ........ 268 



192. Longitudinal section, ...... 268 



193. Transverse section, ....... 268 



194. Grille used in the Box, longitudinal section, . . . 269 



195. transverse section, .... 269 



196. plan of part, .... 269 



