56 REPORT OF THE COUNCIL. 



Potts, F. A. The Modification of the Sexual Characters of the Hermit Crab 



caused by the Parasite Peltogaster (Castration parasitaire of Giard). 

 Punnett, K. C. Sex-determination in Hydatina, with some Remarks on 



Parthenogenesis. 

 Rathbun, Mary J. A new Crab from Dominica, West Indies. 



Description of three new Mangrove Crabs from Costa Rica. 



A new Scyllarides from Brazil. 



Ridewood, W. G. A new species of Ccjyhalodiscus. 



Shipley, A. E., and Hornell, J. Report on the Cestode and Nematode Parasites 



from the Marine Fishes of Ceylon. 

 Sinel, J. The Fishes of the Channel Islands. 

 Strodtmann, S. Laichen und Wandern der Ostseefische. 

 Tattersall, W. M. Report on the Leptostraca, Schizopoda, and Stomatopoda 



collected by Prof. Herdman. 



Preliminary Diagnoses of six new Mysidae from the West Coast of Ireland. 



Thomson, G. M. The Portobello Marine Fish Hatchery and Biological Station. 

 Tower, W. L. An Investigation of Evolution in Chrysomelid Beetles of the 



genus Leptinotarsa. 

 Vernon, H. M. The Conditions of Tissue Respiration. 

 The Rate of Tissue Disintegration and its Relation to the Chemical 



Constitution of Protoplasm. 

 Walker, A. 0. Preliminary Descriptions of new species of Amphipoda from 



the Discovery Antarctic Expedition, 1902-4. 

 Willey, A. Report on the Polychaeta collected by Prof. Herdman at Ceylon 



in 1902. 

 Williams, J. Lloyd. Studies in tlie Dictyotaceae. III. — Periodicity of the 



Sexual Cells in Didyota dichotoma. 

 Woodruff, L. L. An experimental study on the Life History of Hypotrichous 



Infusoria, 



General Work at the Plymouth Laboratory. 



Faunistic work during the year has been chiefly directed to 

 extending the observations into the deeper water of the English Channel. 

 A close study has been made of the grounds to the south of the Eddystone 

 as far as the fifty-fathom line. The results of this survey are now 

 being worked up, and it is hoped to publish them in an early number 

 of the Journal. 



In August last the Oithona was sent to the North Sea in order to carry 

 out fishery investigations in the shallow inshore waters of the East Coast, 

 for which she is specially suited, whilst the Huxley, after the completion 

 of the regular August hydrographic cruise, made a short voyage to the 

 deep water on the edge of the Bay of Biscay, south of Parson's Bank. 

 In addition to hydrographic observations, several hauls of the Agassiz 

 trawl were made at depths of from ninety to four hundred fathoms, and 

 some very interesting material was collected. This is now being studied 

 by different specialists, and their reports will add some valuable 

 information to our knowledge of these little-worked grounds. 



In connection with the more local faunistic work in the immediate 



