CONTENTS OF No. 161-New Series. 



MEMOIRS 



The Habits and Structure of Arenicola marina. By F. W. 

 Gamble, M.Sc, and J. H. Ashworth, B.Sc, Denionslrators and 

 Assistant Lecturers in Zoology, Owens Col'ege, Manchester. (With 

 Plates 1—5) ....... 1 



The Aseptic Cultivation of Mycelozoa. By Casper O. Miller, 

 M.D. (With Plates 6 and 7) . . . . .43 



On the Development of Tubulipora, and on some British and Northern 

 Species of this Genus. By Sidney F. Haruer, Sc.D., Fellow 

 of King's College, Cambridge ; Superintendent of the University 

 Museum of Zoology. (With Plates 8—10) . . . .73 



The Molluscs of tli3 Great African Lakes. — I. Distribution. By 

 J. E. S. Moore . . . . . . .159 



The Molluscs of the Great African Lakes. — II. The Anatomy of the 

 Typhobias, with a description of the New Genus Bathanalia. By J. 

 E. S. Moore. (With Plates 11—14) . . . .181 



