IV CONTENTS OF VOLUME IV. 



Butler, C!. W. pagk 



Rei)ort oil tlie Spawning of the Common Sole in the Acjuarium of the 



Marine Biologioal Asi^ociation's Laboratory during April and ilay, 1895 3 



Cleve, p. T. 



Microscopic Marine Organisms in the Science of Hydrography . .381 



Cunningham, .1. T. 



North Sea Investigations . . . . . . 10 



ditto ditto . . . ... 97 



Additional Evidence on the Influence of Light in producing Pigments on 



the Lower Side of Fiat-Fishes . . ... 53 



The Reproductive Maturity of the Common Eel . . . . 87 

 Recent Reports of Fishery Authorities — 



The Scottish, Newfouiidland, and United States Reports . . 203 



Physical and Biological Conditions in the North Sea . . . 233 



On the Peculiarities of Plaice from different Fishing Grounds . . 315 



GAR.STANC4, W. 



On Doris maculata, a new species of Nudibrauchiate Mollusk found at 



Plymouth . . . . ... 167 



Contributions to Marine Bionomics — 



I. Tlie Habits and Respiratory Mechanism of Corystes cassivelaunus 223 

 11. The Functions of Antero-Lateral Denticulations of the Carajmce 



in Sand-burvowing Crabs . . ... 396 



111. The Systematic Features, Habits, and Respiratory Phenomena of 



Potiumnus nusutus (Latreille) . . ... 402 



GiJNTHER, R. T. 



Tlie Oyster Culture of the Ancient Romans, ivith Plate I. . . . 360 



Hodgson, T. V. 



Notes on the Pelagic Fauna at Plymouth, Augu.st-December, 1895 . .173 



Holt, E. ^Y. L. 



An Examination of the Present State of the Grimsby Trawl Fishery, with 

 e-special reference to the Destruction of Inunature Fish. Revision of 

 Tables . . . . ... 410 



Lanke.ster, E. R. 



Oljituary Notice of the Right Hon. T. H. Huxley . . . 1 



Nutting, C. C. 



Notes on Plymouth Hydroid.? . . ... 14fi 



Schiemenz, Dr. Paulus. 



How do Starfishes open Ov.sters 1 Translated from the German by E. J. 



Allen . ^ . . . ... 266 



Stead, F. B. 



Preliminary Note on Tiuwling Experiments in certain Bays on the South 



Coa^^t of Devon . . - ... 90 



Fourth Re])ort of the Danish Biological Station . . . .213 



Note on a Specimen of Echmorkinus spinosns . ... 264 



Variations and Relationships of the Flounder and the Plaice . , 293 



Notes and SIemoranda 

 Balance-sheet for 1894-95 

 ditto 1895-96 



Steamboat Fund. List of Subscriptions 

 Index 



73 



ts 



307 



418 

 419 



