CONTENTS. V 



PAGE 



The Juice-passages in Hyaline Cartilage. By Dr. Albrecht 

 Budge . . . . . . .196 



• Further Communication on the Structure of the Cell-nucleus, 

 with Observations on Ciliate Epithelium. By Professor Eimer, 

 of Tubingen 197 



On the Postembryonal Growth of Bone. By Professor Schwalbe 198 



Salensky on the Polyzoa Entoprocta .... 199 



Development of Acanthocystis ..... 205 



Calberla's New Embedding Mixture .... 208 



A Central Agency for the Supply of Microscopic Organisms to 

 Students and Class Teachers ..... 210 



Zeiss's Objectives . . , . . .211 



Celebration in honour of Theodor Schwann . . . 211 



PROCEEDINGS OF SOCIETIES: 



Dublin Microscopical Club ..... 212 



CONTENTS OF No. LXXI, N.S., JULY, 1878. 



MEMOIRS : 



The Embryology of Clepsine. By Charles Otis Whitman, 

 of Boston, (With Plates XII— XV) . . .215 



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

 M.D., F.R.S. (With Plate XVI) . . . .315 



NOTES AND MEMORANDA: 



Recent Researches on the Nervous System of the Medusas . 340 



PROCEEDINGS OF SOCIETIES : 



Dublin Microscopical Club ..... 345 



