co:n^tents of volume x. 



(NEW SERIES.) 



List of Governors, Founders, and Members- 

 October, 1913 

 May, 1915 . 



Report of the Council— 



1912 

 1913 

 1914 

 Balance Sheet, 1912 



ditto 1913 



ditto 1914 



136 

 656 



123 

 395 

 647 

 134 



414 

 654 



Allen, E. J. 



On the Culture of the Plankton Diatom Thalassiosira gravida Cleve, in 



Artificial Sea- water . . . . . . 417 



Allex, E. J. 



Polycha3ta of Plymouth and the South Devon Coast, including a List of 



the Archiannelida . . . ... 592 



BouviER, E.-L. 



Recherches sur le Developpement post-embryonnaire de la Langouste 



commune {Palinurus vulgaris) . . . . . 179 



BouviER, E.-L. 



Observations nou^■elles sur les Trachelifer, larves luciferiformes de Jaxea 



nocturna . . . . ... 194 



BouviER, E.-L. 



Quelques mots sur la variabilite du Pycnogonum litforale Striim. . . 207 

 Clark, R. S. 



General Report of the Larval and Post-Larval Teleosteans in Plymouth 



AVaters . . , . ... 327 



Crawshay, L. R. 



Notes on Experiments in the Keeping of Plankton Animals under 



Artificial Conditions . . . . . . 555 



Crawshay, L. R. 



A Method of Separating Sponge Spicules by Filtration . . . 590 



De Morgan, W., and the late G. H. Drew. 



A Study of the Restitution Masses formed by the Di.ssociated Cells of the 



Hydroids Antennularia ramosa and A. antennina . . . 440 



Dendy, Arthur. 

 .;_^ On the Occurrence of Aj}hroceras (Leucandra) diarensis Stephens, near 



Plymouth . . . . . ... 258 



FucHS, H. M. 



On F., Echinus Hybrids , . . ... 464 



Gemmill, James F. 



Twin Gastrulae and Bijjinnari^ of Luidia sarsi Diiben and Koren . . 577 

 Gray, J. 



The Electrical Conductivity of Fertilized and Unfertilized Eggs . . 50 

 Hartmeyer, R. 



On Alcyonium pulmonis instar lohidum^Wis . ... 262 



Leigh-Sharp, W. Harold. 



Calliohdella lophii Van Beneden and Hesse . . . . 81 



Mortensen, Th. 



On the Development of some British Echinoderms . . . 1 



