590 EEPORT OF THE COUNCIL. 



Pr(3f. J. Stanley Gardiner. Preliminary Notice on the Experimental Hybridi- 

 zation of Echinoids. By C. Shearer, W. De Morgan, and H. M. Fuchs. 



Methods of Reproduction in the Syllids. By F. A. Potts. 



A Revision of the British. Leeches. By W. A. Harding. 



Percy Sladen Trust Expedition to the Indian Ocean in 1905. Descrip- 

 tion of the Expedition (concluded), with Observations for Terrestrial 

 Magnetism and some Account of Bird and Dennis Islands. By J. S. 

 Gardiner, B. T. Somerville, and J. C. F. Fryer. 



— — The Structure and Formation of Aldabra and Neighbouring Islands, with 

 Notes on their Flora and Fauna. By J. C. F. Fryer. 



Dr. P. P. C. Hoek. Verslag van den Staat der Nederlandsche Zeevisscherijen 

 over 1910. 



Rapport over Schelpdierenvisscherij en Schelj^dierenteelt in de Noordelijke 



Zuiderzee. 



Prof. E. L. Mark. A Comparison of the Reactions of a Species of Surface 

 Isopod with those of a Subterranean Species. By A. M. Banta. 



The Reactions of Amphibians to Monochromatic Lights of Equal Intensity. 



By H. Laurens. 



Contributions to the Physiology of Regeneration. IV. By S. ^Morgulis. 



Studies on Early Stages of Develoi^ment in Rats and Mice. III. The 



Living Eggs of Rats and Mice, with a Description of Apparatus for 

 Oljtaining and Observing them. By J. A. Long. 



Dr. C. Shearer. Description of an Apparatus for Recording the Activity of 

 Small Mammals. By J. R. Slonaker. 



The Normal Activity of the Albino Rat from Birth to Natural Death, 



its Rate of Growth and the Duration of Life. By J. R. Slonaker. 



The Eftect of a Strictly Vegetable Diet on the Spontaneous Activity, the 



Rate of Growth, and the Longevity of the Albino Rat. By J. R, Slonaker. 



To the authors of the Memoirs mentioned below the thanks of the 

 Association are due for separate copies of their works presented to 

 the Library : — 



Alward, G. L. The Development of the British Fisheries during the Nineteenth 



Century, with Special Reference to the North Sea. 

 Arwidsson, I. Die Maldaniden. 



Some Irish Maldanidae. 



Beitrage zur Kenntnis der Unterfamilie Maldaninae. 



LTncinisetidae Bidenkap, eine aus Versehen aufgestellte Polychaeten- 



familie, nebst Bemerkungen iiber einige nordische Maldaniden. 

 Ashworth, J. H. Observations on the Structure and Affinities of Branchiomal- 



dane vincenti Langerhans. 

 Bagshaw, W. Elementary Photo-Micrography. 

 Bather, F. A. Upper Cretaceous Terebelloids from England. 

 Beauchamp, P. de. Instructions for Collecting and Fixing Rotifers in Bulk. 

 Billard, A. Note sur un nouveau genre et une nouvelle espece d'Hydroide 



Sibogella ereda. 

 Note preliminaire sur les especes nouvelles de Plumulariidae de I'Expe- 



dition du Sihoga. 

 Note sur le Plwnndaria catharina Johnst. 



