CONTENTS OF No. CXXX.-New Series. 



MEMOIES: 



PAGE 



On Onchnesoma Steenstrupii. By Akthur E. Shipley, M.A., 

 F.L.S., Fellow and Lecturer of Christ's College, Cambridge, and 

 Demonstrator of Comparative Anatomy in the University. (With 

 Plate IX) 233 



Note on a Sieve-like Membrane across the Oscula of a Species of 

 Leucosolenia, with some Observations on the Histology of the 

 Sponge. By Edwabd A. M inchin, Assistant to the Linacre Pro- 

 fessor of Human and Comparative Anatomy in the University of 

 Oxford. (With Plates X and XI) 251 



The Development of the Oviduct in the Frog. By Ernest W. 

 MacBbide, B.A.Cantab., B.Sc.Lond., Scholar of St. John's College, 

 and Scholar of the University of London. (With Plates XII and 

 XIII) 273 



On the Nauplius Eye persisting in some Decapods. By Margaret 

 Robinson, University College, London. (With Plate XIV) . 283 



Notes on Two Acanthodriloid Earthworms from New Zealand. By. 

 W. Blaxland Benham, D.Sc.Lond., Aldrichian Demonstrator of 

 Anatomy in the University of Oxford. (With Plates XV and XVI) 289 



On a New Genus of Synascidians from Japan. By Asajiro Oka, 

 of the Imperial University of Tokio, and Arthur Willet, B.Sc. 

 Lond. (With Plates XVII and XVIII) . . . .313 



