CONTENTS. 



PAGE. 



The present position of the discussion as to the origin of the 



Zimbabwe-culture: R. N. t^^I,T.. F.R.G.S 325 



ITehoccntric places of the planet fupiter : R. T. A. Tkn'J:S, 



F.R.A.S. .. .. .. ' ^^s 



Academy of National Sciences/ Pliiladelphia 33<; 



A contribution to our knowledge of the reproductive organs of 

 the Nudibranchiata : T. F. Dreyer, B.A., fli.D. _ (Five 



text figures.) .. .. .. 340 



Comets of 19TI .. .. 349 



The sedimentary rocks of the Rhodesian plateau: F. P. Mexnei.l, 



F.G.S. (One text figure.) 350 



Eucrangonyx robertsi, Methuen .. 354 



Transactions of Societif.s 355 



New Books 356 



