CONTENTS. 



PAGE 



General Statement, ....... 5 



Trawling Investigations, . . . . . . . 6 



The Hatching and Rearing of Food Fishes, ... 7 

 Scientific and Technical Instruction to Fishermen, . . 8 



Investigations on the Herring Fisheries of the Firth of Clyde, . 10 

 The Chemical Composition of the Herring, . . .12 



The Rate of Growth and the Age of Herrings, . . .12 



The Rate of Growth and the Age of Food Fishes, . . 13 



The Tay Sprat Fishery, . . . .14 



The Specific Characters of certain Species of the Codfish Genus, 14 

 The Otoliths or Earstones of Fishes, . . . .15 



The Spawning and Fecundity of the Plaice, . . .15 



The Spawning of the Lumpsucker and the Paternal Guardian- 

 ship of the Eggs, ...... 16 



SCIENTIFIC REPORTS. 



I. Trawling Investigations. By Dr. T. Wemyss Fulton, F.R.S.E., 



Superintendent of Scientific Investigations, . . 17 



II. Observations on the Otoliths of some Teleostean Fishes. By 



Thomas Scott, LL.D., F.L.S. (Plates I.-V.), . . 48 



Preliminary Remarks, . . . . .48 



List of Fishes whose Otoliths are described, . . 52 



Systematic Description of the Otoliths, . . 53 



Literature bearing on the Otoliths of Fishes, . . 80 



III. The Food Value of the Herring. By T. H. Milroy, M.D., 



B.Sc, F.R.S.E., Professor of Physiology, Queen's College, 

 Belfast, ....... 83 



Previous Analyses of Herrings, . . .83 



Methods of Analysis, . . . . .85 



Analysis of May Lochfyne Herrings, . . .86 



,, July Lochfyne Herrings, . . .88 



,, September Lochfyne Herrings, . . 89 



October Lochfyne Herrings, . . 89 



,, November Lochfyne Herrings, . . 92 



,, December Helmsdale Herrings, . . 93 



,, Lochfyne Herrings, . . 94 



., Lochboisdale Herrings, . . 95 



,, February Lochboisdale Herrings, . . 96 



Tables of Ratios, ..... 97 



Summary of Results, ..... 101 

 Remarks on Nutritive Value of Spent Herrings, with 

 some additional Tables illustrating Differences in 

 Composition of these Fish, . . . 103 



