CONTENTS. 



PAGE 



General Statement, , ... 5 



The Hatching of Plaice, ...... 6 



The Fishery Statistics, ...... 8 



Investigations on the Herring Fishery of the Firth of Clyde, . 9 

 The Herrings of the Clyde and other Districts, . . .10 



The Influence of Temperature on the Development of the Eggs of 



the Herring, . . . . . . .11 



Scientific and Technical Instruction to Fishermen, . . .11 



SCIENTIFIC REPORTS. 



I. On the Herrings of the Clyde and other Districts. By H. Chas, 

 Williamson, M.A., D.Sc, F.R.S.E., Marine Laboratory. 



Aberdeen, . . . ... . .13 



Introduction, . . . . . .13 



Arrangement of Analysis, . . . . .14 



List of Contractions, . . . . .14 



The Samples of Herrings, . . . . .15 



The Weight of the Herring, . . .50 



The Stage of Development of the Reproductive Organs, . 54 

 The Rate of Growth, ..... 57 



The Spawning Seasons, . . . . .65 



Food, . . . . .' .65 



Literature, ....... 66 



Additional Samples of Herrings, . . . .67 



II. Report on the Operations at the Marine Fish Hatchery, Bay of 

 Nigg, Aberdeen, in 1908. By Dr. T. Wemyss Fulton, F.R.S.E., 

 Scientific Superintendent, . . . . .68 



III. Notes on the Distribution of Pelagic Crustacea in Lower and 



Upper Loch Fyne. By Thomas Scott, LL.D., F.L.S., . 74 



IV. Experiments to show the Influence of Cold in Retarding the 



Development of the Eggs of the Herring (Olupea Harengus, 

 L.), Plaice (Pleuronectes Platessa, L.), and Haddock {Gadus 

 jflglefinus, L.). By H. Chas. Williamson, M.A., D.Sc, 

 F.R.S.E., Marine Laboratory, Aberdeen. (Plate I.), . . 100 



Introduction, ...... 100 



The Different Lots of Spawn, .... 101 



Lots I., II., and III., 103 



