CONTENTS. 



43 



CONTENTS OF No. XCIII, N.S., JANUARY, 1884. 

 MEMOIRS : 



PAGE 



Notes on Echinoderm Morphology, No. VII. On the Apical 

 System of the Ophiurids. By P. Herbekt Carpentek, MA., 

 Assistant Master at Eton College. (With Plate I.) • • 1 



On the Homologies of the Primary Larval Plates in the Test 

 of Brachiate Echinoderms. By W. Percy Sladen, F.L.S., 

 E.G.S. (With Plate I.) 24 



On the Origin of Metameric Segmentation and some other Mor- 

 phological Questions. By Adam Sedgwick, M.A., Fellow and 

 Assistant Lecturer of Trinity College, Cambridge. (With Plates 

 II and III.) 



On Certain Abnormalities in the Common Frog (Tlana tem- 

 poraria). 1. The Occurrence of an Ovotestis. 2. Abnor- 

 malities of the Vertebral Column. By Alfred Gibbs Bourne, 

 B.Sc. Lond., University Scholar in Zoology, and Assistant to the 

 Jodrell Professor, University College, London. (With Plate IV.) 83 



Researches on the Intracellular Digestion of Invertebrates. By 

 Dr. Elias Metschnikoff 89 



The Ancestral History of the Inflammatory Process. By Dr. Elias 

 Metschnikoff . . . . . . .112 



The Structures connected with the Ovarian Ovum of Marsupialia 

 and Monotremata. By Edward B. Poulton, M.A., of Jesus 

 and Keble Colleges, Oxford. (With Plate V.) . . . 118 



On the Skeleto-trophic Tissues and Coxal Glands of Limulus, 

 Scorpio, and Mygale. By E. Rat Lanilester, M.A., F.R.S., 

 Jodrell Professor of Zoology in University College, London. 

 (With Plates VI, VII, VIII, IX, X, XI, XII) . . .129 



