4 



Contents. 



PAGE 



XXI. Showing the Number of Boats Fishing in the whole Clyde Area 



in each year 1854-1906, ... - 126 



XX EI. Showing the Weekly Catch of Herrings in the Firth of Clyde 



Districts from 1854-1901, - - - - - 127 



XXIII. Weekly Returns of Boats Fishing and Herrings Landed in 



Inveraray and Campbeltown Districts, 1854-1906, - - 179 



XXIV. Showing the Relation of the Phase of the Moon to the Catch 



of Herrings in Lech Fyne, 1860-1900, - - 190 



II. The Food A^alue of the Herring. By T. H. Milroy, M.D., B.Sc, 

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

 Part II. ....... 197 



III. Some Additional Notes on Copepoda from the Scottish Seas. 



By Thomas Scott, LL.D., F.L.S., Mem. Soc. Zool. de 

 France. (Plates XIII. -XV.), . . . . . 209 



IV. The Spawning, Growth, and Movement of the Mussel (Mytilus 



edulis, L.), Horse-Mussel (Modiolus modiolus, L.), and the 

 Spoutfish (Solen siliqua, L.). By H. Chas. Williamson, 

 M.A., D.Sc, Marine Laboratory, Aberdeen. (Plates. 



XVI. -XX.), 221 



The Development of the Reproductive Organs, . 221 



Spawning, ...... 228 



Growth, . . . . . .233 



Movement, . . . ■ . .242 



Structure of Foot, . . . . .244 



Structure of Byssus-Pit, .... 247 



The Byssus-Stem, . . . . .250 



Formation of Byssus-Stem, .... 251 



Growth of the Spoutfish, .... 251 



Literature, ...... 252 



Explanation of Plates, . 253 



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

 Nigg, Aberdeen, in 1906. By T. Wemyss Fulton, F.R.S.E., 

 Scientific Superintendent, ..... 256 



VI. Some Observations on the Food of the Herring. By Thomas 



Scott, LL.D.. F.L.S., Mem. Soc. Zool. de France, . 260 



