XVI CONTENTS. 



PAGE 



Craigend. Drain for emptying the ponds Dangers to fry from yearlings 

 From starvation Turfing pond-sides Spigot and Faucet pipe 

 put in below leaf-screen Method of working the Craigend ponds 

 Alterations to the octagon pond The wells Taking the fish out of 

 the ponds, ........ 237 



Experimental Work. Development of yellow spots by S. levenensis, . 246 



Fish-Culture. The 1875 Lochlevens Water supply for 130-foot ponds 

 Removals of fish Ova obtained for the first time from fish reared 

 from eggs hatched at the Fishery The Season's ova Further 

 stocking of Lochleven Loss of fry through crowding when travel- 

 ling Statement of stock on 31st December 1877, . . . 248 



CHAPTER XVII. 



SEASON 1878-79. 



Construction: Howietoun. The 300-foot ponds Outlet-screen Valves 

 Mode of emptying Size of fish must be proportionate to the depth 

 of the ponds Well Short arm at upper end of the ponds used in 

 netting Apparatus for mechanically feeding the fry in the 20-foot 

 ponds Water-cress, ...... 253 



Experimental Work. Economising space in hatching Deep hatching-tray 

 Quadruple hatching-box Glass grilles Experiment not satisfac- 

 tory Reasons Zinc for screens Quantity of water required to 

 carry trout The first important consignment of trout sent from 

 Howietoun Experiments in transporting yearlings, . . 265 



Fish-Culture. Notes of the Season S. fontinalis ova purchased Sale of 

 ova Herons troublesome Table of ova spawned Season 1878-79 

 Statement of stock on 31st December 1878, . . . 273 



