CONTENTS OF No. 224.-New Series. 



MEMOIRS : 



PAGE 



Cortical Cell Lamination of the Hemispheres of Papio Hama- 

 dryas. By E. H. J. Schuster, M.A., D.Sc, FelloAv of New 

 College, Oxford. (With Plates 24-30) . . . .613 



On Some Stages in the Life-History of Leptomonas Muscas 

 Domesticse, with some Remarks on the Relationships of the 

 Flagellate Parasites of Insects. By J. S. Dunkeblt. (With 

 Plate 31) . . . . . . .645 



On Merlia nor man i, a Sponge with a Siliceous and Calcareous 

 Skeleton. By R. Kirkpatrick. (With Plates 32-38 andI5 Text- 

 figures) ....... 657 



