Contents. 



IT. North Sea Investigations. By Dr. T. Wemyss- Fulton, 



F.R.S. ., Scientific Superintendent. (Plates I. -III.) 



Introduction, .... 



The Statistics of the Fish Landed, . 



The Method of Fishing, 



The Places where the Fish are taken, 



The Duration of the Fishing Operations, 



The Season of Fishing, 



Conclusions, .... 

 Investigations on Board Steam Trawlers, 



The Inshore Grounds, 



The Deep-Sea Grounds, 



Comparison with Inshore Grounds, . 

 The Comparative Efficiency of the Otter-Trawl and the Beam- 

 Trawl, .... 

 Staustics of the Catches of Six Steam -Trawlers over a period of 



years, .... 



Comparison of the Catches of Steam-Trawlers 

 Areas in the North Sea, . 



from Different 



III. A Comparison between the Cod {Gaxlus callarius, Linn.), the 



Saithe, and the Lythe (Gadus pollachius, Linn.), in 

 respect to certain External and Osteological Charac- 

 ters. By H. Chas. Williamson, M.A., B.Sc, Marine 

 Laboratory, Bay of Nigg, Aberdeen. (Plates IV. -XI.) 



IV. Notes on some Parasites of Fishes. By Thomas Scott, F.L.S., 



Member Zool. Soc. de France. (Plates XII. -XIII.) 

 I. Copepoda Parasita, 



Ergasilida3, . 



Caligidfe, 



Dichelestidfe, 



Lernseidee, 



Chondracanthidse, 



Lernfeopodidse, 

 II. Irematoda, . 



Tri stoma tidfe. 

 Explanation of the Plates, 



V. The Echinoderms of the Moray and Cromarty Firths. By 

 Fred. G. Pearcey, ..... 



VI. Rate of Growth of Sea Fishes. By Dr. T. Wemyss Fulton, 

 F.R.S.E., Scientific Superintendent. (Plates XIV 

 XXI.) 



Methods, ...... 



The Treatment of the Fishes, 



Comparative Growth of Round Fishes and Flat Fishes, 



The Influence of Temperature upon Growth, 



The Plaice, . 



The Common Dab, . 



The Long Rough Dab, 



The Whiting, 



The Haddock, 



Tables, , 



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