UW-l V\' 



CONTENTS OF No. 262.— New Series. 



MEMOIRS : page 



The Gastric Mucosa. By Robert K. S. Lim. (From the Department 

 of Physiology, Edinburgh University). (With Plate 8 and 1 Text- 

 figurej 187 



• On the Labral Glands of a Cladoceran (Simocephalus vetulus). 

 with a description of its mode of feeding. By H. Graham Can- 

 non, B.A., Demonstrator in Zoology, Imperial College of Science, 

 South Kensington. (With Plates 9 and 10 and 2 Text-figures) . 213 



Surface Tension and Cell-Division. By .T. Gray, M.A. (With 9 

 Text-figures) 235 



On the Classification of Actiniaria : Part III. Definitions connected 

 with the forms dealt with in Part II. By T. A. Stephenson, M.Sc, 

 University College of Wales, Aberystwyth 247 



On the Post- Embryonic Development of certain Chalcids, Hyper- 

 pai'asites of Aphides, with Remarks on the Bionomics of Hymen- 

 opterous Parasites in General. By Maud D. Haviland, Research 

 Fellow of Newnham College. (With 7 Text-figures) . . .322 



Animal Chlorophyll : its Relation to Haemoglobin and to other 

 Animal Pigments. By John F. Fulton, .Jr., Magdalen College, 

 Oxford .' 339 



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