IV 
CONTENTS. 
PAGE 
The Development of the Fat-bodies in Ran a temporaria. A Con- 
tribution to the History of the Pronephros. By Arthur E. Giles, 
B.Sc.(Lond.), M.B., CH.B.(Vict.). Platt Physiological Scholar, 
Owens College, Manchester; House Surgeon, Manchester Royal 
Infirmary. (With Plate XIV) ..... 133 
Two New Types of Actiniaria. By G. Herbert Fowler, B.A., 
Ph.D., Assistant to the Jodrell Professor of Zoology in Uni- 
versity College, London. (With Plate XV) . . . 143 
Morphological Studies. II. — The Development of the Peripheral 
Nervous System of Vertebrates (Part I. Elasmobranchii and 
Aves). By J. Beard, Ph.D., B.Sc., Assistant to the Professor 
of Human and Comparative Anatomy in the University of 
Freiburg i/B. (With Plates XVI, XVII, XVIII, XIX, XX, and 
XXI) 153 
CONTENTS OF No. CXV, N.S., DECEMBER, 1888. 
MEMOIRS : 
Note on a New Organ, and on the Structure of the Hypodermis, 
in Periplaneta orient alis. By Edward A. Minchin, 
Keble College, Oxford. (With Plate XXII) . . . 229 
On Certain Points in the Structure of Urochseta, E. P., and Dicho- 
gaster, nov. gen., with further Remarks on the Nephridia of 
Earthworms. By Frank E. Beddard, M.A., Prosector to the 
Zoological Society of London, and Lecturer on Biology at 
Guy’s Hospital. (With Plates XXIII and XXIV) . . 235 
On the Development of Peripatus Novse-Zealandise. By 
Lilian Sheldon, Bathurst Student, Newnham College, Cam- 
bridge. (With Plates XXV and XXVI) . . .283 
Note on the Development of Amphibians, chiefly concerning the 
Central Nervous System ; with Additional Observations on the 
Hypophysis, Mouth, and the Appendages and Skeleton of the 
Head. By Henry Orr, Ph.D., Princeton, New Jersey. (With 
Plates XXVII, XXVIII, and XXIX) . . . .295 
