CONTENTS OF No. LXIX— New Series. 



MEMOIRS: 



PAQB 



On the Hinged Teeth of the Common Pike. By Charles S. Tomes, 

 M.A. (With Plate I.) 1 



Note on the Movements of the Vibracula in Ciberea Boryi, and on 

 the Suy)posed Common Nervous System in the Polyzoa, By the 

 Eev. Thomas Hincks, B.A., F.ll.S, .... 7 



The Development of the Cranial Nerves in the Chick. By A. Milnes 

 Makshall, D.Sc., B.A., Fellow of St. John's College, Cambridge. 

 (With Plates n and III.) ...... 10 



A Contribution to the History of the Embryonic Development of the 

 Teleosteaus Fishes. By Ed. Van Beneden. (With Plate IV.) . 41 



On the Homologies of the Suspensor. By Sidney H. Vines, B.A., 

 B.Sc, Fellow and Lecturer of Christ's College, Cambridge. (With 

 PlateY) 58 



The Red Vascular Fluid of the Earthworm a Corpusculated Fluid. 

 By E. Ray Lankester, M.A., F.R.S, . . . .68 



The Contractile Filamenis of Amanita (Agaricus) muscaria and Dipsa- 

 cus Sylvestris. By Francis Darwin, M.B. . . .74 



On Atmospheric Bacteria. By G. F. Dowdeswell, B.A. Cantab. . 83 



REVIEW : 



Reichenbach's Researches on the Eaily Development of the Fresh- 

 veater Crayfish. By T. Jeffery Parker, Associate of the Royal 

 School of Mines. (With PlateA^l.) . . . .85 



NOTES AND MEMORANDA: 



The Microscopic Appearances of MeduUated Nerve Fibre . . 9i) 

 Bizzozcro and Salvioli on the Structure and on the Lymphatics of 



Human Serous Membranes ...... 101 



The Lymphatics of Bone ...... 103 



PROCEEDINGS OF SOCIETIES : 



Dublin Microscopical Society . 



105 



