CONTENTS. 



5 



PAGE 



• SECTION B.— BIOLOGICAL INVESTIGATIONS. 

 I. Additions to the Fauna of the Firth of Forth. Part VII. By 



Thomas Scott, F.L.S. (Plates III., IV.) . . 165 

 II. The Inland Waters of the Shetland Islands. By Thomas 

 Scott, F.L.S., and Robert Duthie, Fishery Officer. 

 (Plate V.) 174 



III. On the Reproduction of the Eel. By H. Charles Williamson, 



M.A., B.Sc, Marine Laboratory, St Andrews . .192 



IV. Contributions to the Life-Histories and Development of the 



Food and other Fishes. By Professor M'Intosh, M.D., 

 LL.D., F.R.S., F.R.S.E., &c, St Andrews Marine 

 Laboratory. (Plates VI., VII., VIII.) . . . 220 



1. On the Eggs and Larva? of the Long-Rough Dab (Dre- 



panopsetta i>latessuides) . . . . . 220 



2. On the Eggs and Larval Form of the Turbot, with 



Remarks on the Gravid Forms at Dunbar . . 224 



3. On a Larval Pleuronectid with a Deep Body . . 229 



4. On the Spawning Period of the Armed Bullhead and the 



Vitality of its Eggs ..... 230 



5. On the Post-Larval Stage of Crystallogobius Nilssonii . 232 



6. On a Post-Larval Form resembling a Goby, .. . 232 



7. On a Peculiarly Coloured Plaice .... 234 



V. Note on a Tumour found attached to the Stomach of a Saithe. 



By George Lawrence ..... 236 



VI. The Invertebrate Fauna of the Inland Waters of Scotland. 



Part V. By Thomas Scott, F.L.S. (Plates IX., X.) 237 



VII. List of the Pelagic Ova, Larva?, and Young Fishes procured 



by the s.s. £ Garland ' and Boat ' Dalhousie.' By H. 

 Chas. Williamson, M.A., B.Sc, St Andrews Marine 

 Laboratory ...... 258 



VIII. On the Variation in Size of Certain Pelagic Ova. By H. 



Charles Williamson, M.A., B.Sc, St Andrews Marine 

 Laboratory . . . . . .271 



IX. On the Larval and Post-Larval Development of the Brain of 

 the Lesser Sand-Eel (Ammodytes tobianus, L.). By 

 J.H.Fullarton,M.A., D.Sc, F.R.S.E. (Plates XI.-XIII.) 276 

 X. On the Rate of Growth of the Marine Food and other Fishes. 



By Arthur T. Masterman, B.A. (Cant.), Assistant Pro- 

 fessor of Natural History in the University of St 

 Andrews. (Plate XIV.) . . . .289 



XL On Hermaphroditism in the Cod. By Arthur T. Masterman, 

 B.A. (Cant.), Assistant Professor of Natural History 

 in the University of St Andrews . . . 297 



SECTION C. -PHYSICAL OBSERVATIONS. 



—Report on Physical Observations carried on by the Fishery Board 



for Scotland during 1893. By Andrew J. Herbertson, F.R.G.S 302 

 A 



