CONTENTS. 



PAGE 



On the Pharynx of an Unknown Holothurian of the Family Den- 

 drochirotae, in which the Calcareous Skeleton is remarkably 

 developed. By H. N. Moseley, M.A., F.R.S., Linacre Pro- 

 fessor of Human and Comparative Anatomy, Oxford. (With 

 Plate XXIII) 255 



On the Sexuality of the Fungi. By H. Maeshall Ward, M.A., 

 Fellow of Christ's College, Cambridge ; Assistant-Lecturer in 

 Botany at the Owens College, Victoria University, Manchester . 262 



On Procalistes, a Young Cephalopod with Pedunculate Eyes, taken 

 by the "Challenger" Expedition. By E. Ray Lankester, 

 M.A., F.R.S., Jodrell Professor of Zoology in University Col- 

 lege, London ....... 311 



Notes on Echinoderm Morphology, No. VIII. On some Points in 

 the Anatomy of Larval Comatuise. By P. Herbert Carpenter, 

 D.Sc, Assistant Master at Eton College . . . 319 



Some Account of Polystigma rubrum, Pers., based upon the 

 B.ecent Investigations of Dr. A. B. Frank, and C. Fisch. By 

 W. B. Grove, B.A., Honorary Librarian of the Birmingham 

 Natural History and Microscopical Society . . . 328 



CONTENTS or No. XCV, N.S., JULY, 1884. 



MEMOIRS : 



An Attempt to re-classify the Rotifers. By C. T. Hudson, LL.D. 335 



Further Observations on Flagellated Organisms in the Blood of 

 Animals. By Surgeon-Major Timothy Richards Lewis, M.B., 

 Assistant Professor of Pathology, Army Medical School, Netley . 357 



Physiology of Protoplasmic Movement. By Prof. Dr. Th. W. 

 Engelmann, in Utrecht ...... 370 



Contributions to the Anatomy of the Hirudinea. By Alfred 

 GiBBs Bourne, B.Sc. Lond., Assistant Professor of Zoology 

 and Comparative Anatomy, University College, London. (With 

 Plates XXIV— XXXIV) 419 



On the Nervous System of Antedon rosaceus. By A. Milnes 

 Marshall, M.D., D.Sc, M.A., Fellow of St. John's College, 

 Cambridge ; Beyer Professor of Zoology in Owens College. 

 (With Plate XXXV) 507 



