CONTENTS. 



5 



PAGE 



VIII. Keport on Physical Observations bearing on the Circulation of 

 the Water in Loch Fyne in April and September 1896. 

 By Hugh Robert Mill, D.Sc, F.E.S.E. . . .262 



IX. Report on Physical Investigations carried out on Board H.M.S. 



'Research,' during August 1896. By H. N. Dickson, 



F.R.S.E., F.R.G.S 280 



X. Report on the Phyto-Plankton collected on the Expedition of 

 H.M.S. 'Research,' 1896. By Professor P. T. Cleve, 

 LL.D., of the University of Upsala, Sweden. (Plate 



VIII.) 297 



XI. Notes on the Animal Plankton from H.M.S. 'Research.' By 



Thomas Scott, F.L.S., Mem. Soc. Zool. de France . 305 



XII. The Invertebrate Fauna of the Inland Waters of Scotland 

 —Part VII. By Thomas Scott, F.L.S., Mem. Soc. Zool 

 de France. (Plate IX.) . . . . .316 



1. Preliminary Remarks . . . . .316 



2. Notes on some brackish- water species . . .317 



3. Division I. — Description of the Lochs (exclusive of those 



of Shetland) . . . .318 



4. „ Table of distribution . . . .320 



5. „ Notes on some of the fresh-water species, . 322 



6. „ Explanation of the plate . . . 327 



7. Division II. — An account of the examination of some of 



the lochs of Shetland . . .327 



8. „ Table of distribution . . .332 

 XIII. On the Currents of the North Sea, and their Relation to 



Fisheries. By Dr T. Wemyss Fulton, F.R.S.E., 

 Scientific Superintendent. (Plates X., XI.) . . 334 



I. Introduction ...... 334 



II. The Direction and Rate of the Currents — 

 1. The Course of the Drifters . 

 Shetland — Orkney Area . 

 The Moray Firth Area 

 The East Coast of Scotland 

 The English Coast and the Continent 

 Between the Isle of May and the Naze of Norway 

 Between the Isle of May and Hamburg . 



Between the English and Dutch Coasts . 



2. Seasonal Variations .... 



3. The Cause of the Movement of the Surface Water 



The Prevailing or Effective Winds 

 The Tidal Streams 



4. Reversal of the Normal Current 



5. The Rate and Depth of the Current 

 III. The Relation of the Current to Fisheries . 



XIV. Note on the Reproductive Organs of a Hermaphrodite Ling 

 By H. M. Kyle, M.A., B.Sc. 

 Index ..... . . 



338 

 340 

 343 

 346 

 347 

 349 

 352 

 353 

 355 

 356 

 356 

 360 

 361 

 364 

 367 



396 

 399 



