CONTENTS OF No. CXV.— New Series. 



MEMOIRS: 



PAGE 



Note on a New Organ, and on the Structure of the Hypodermis, in 

 Periplaneta Orient alls. By Edwakd 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 Earth- 

 worms. 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 Novge-Zealandise. By Lilian 

 Sheldon, Bathurst Student, Newnham College, Cambridge. (With 

 Plates XXV and XXVI) . . . . " . .283 



Note on the Development of Amphibians, chiefly concerning the 

 Central Nervous System ; with Additional Observations ou 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 



Studies on the Comparative Anatomy of Sponges. II. On the 

 Anatomy and Histology of Stelospongus flabelliformis, Carter; 

 with Notes on the Development. By Arthur Dendy, M.Sc, 

 F.L.S., Demonstrator and Assistant Lecturer in Biology in the 

 University of Melbourne. (With Plates XXX, XXXI, XXXII, 

 and XXXriI) 325 



On Some Points in the Natural History of Fungia. By J. J. 

 Lister, M.A 359 



