CONTENTS. 
CONTENTS OF No. 153, N.S., MAY, 1896. 
MEMOIRS : PAGE 
The Blood of Magelona. By W. Buaxtanp Benuaw, D.Se.Lond., 
Hon.M.A.Oxon., Aldrichian Demonstrator in Comparative Ana- 
tomy in the University of Oxford. (With Plate 1) : : i 
Fission in Nemertines. By W. Buaxtanp Brnuam, D.Sc.Lond., 
Hon.M.A.Oxon., Aldrichian Demonstrator in Comparative Ana- 
tomy in the University of Oxford. (With Plates 2 and 3) eae) 
Studies on the Nervous System of Crustacea. By Epear J. ALLEN, 
B.Se., Director of the Plymouth Laboratory of the Marine Biolo- 
gical Association. (With Plate 4) : : : cae 
Notes on Oligochetes, with the Description of a New Species. 
By Evwin 8. Goopricu, B.A., Assistant to the Linacre Pro- 
fessor of Comparative Anatomy, Oxford. (With Plates5and6) 51 
On the Development of Lichenopora verrucaria, Fabr. By 
Sipney F, Harmer, M.A., B.S8c., Fellow of King’s College, 
Cambridge; Superintendent of the University Museum of 
Zoology. (With Plates 7—10, and two figures in text) nee 
CONTENTS OF No. 154, N.S., AUGUST, 1896. 
MEMOIRS: 
Letters from New Guinea on Nautilus and some other Organisms. 
By Artuur Witty, D.Sc. : : : . 145 
The Brain of a Foetal Ornithorhynchus. Part I.—The Fore-brain. 
By G, Exxior Smitu, M.D., Ch.M., Demonstrator of Anatomy, 
University of Sydney, N.S.W. (With Plate 11) 3 5 eH 
On Arhynchus hemignathi, a New Genus of Acanthocephala. 
By Artuur HE. Surerezy, Fellow and Tutor of Christ’s College, 
Cambridge, and University Lecturer in the Advanced Morpho- 
logy of the Invertebrata. (With Plate 12) 5 : . 207 
