CONTENTS OF No. LXXI.-New Series. 



MEMOIRS: 



TAOa 



The Embryology of Clepsine. By Charles Otis AVhitman, of 

 Boston. (With Plates^XII— X.V.); . . . . 215 



Observations on the Structure of Cells and Nuclei. By E. Klein, 

 M.D., F.R.S. (With PlateicVI.) 315 



NOTES AND MEMORANDA: 



Recent Researches on the Nervous System of the Medusa . . 340 



PROCEEDINGS OF SOCIETIES : 



Dublin Microscopical Club ...... 345 



