iv CONTENTS. 



CONTENTS OF No. 179, N.S., FEBRUARY, 1902. 



MEMOIRS : PAGE 



Dendrocometes paradoxus. — Part I. Conjugation. By 

 Sydney J. Hickson, M.A., D.Sc, F.R.S., Beyer Professor of 

 Zoology in tlie Owens College, Manchester; assisted by Mr. 

 J. T. Wadsworth. (With Plates 17 and 18) . . . 325 



On the Oviparous Species of Onycliophora. By Arthur Dendy, 

 D.Sc, F.L.S., Professor of Biology in the Canterbury College, 

 University of New Zealand. (With Plates 19— 22) . . 363 



A New and Annectant Type of Cliilopod. By R. I. Pocock. 

 (With Plate 23) 417 



The Try panosonia Brucii, the Organism found in Nagaiia, or 

 Tsetse Fly Disease. By J. B. Bradford, F.R.S., and H. G. 

 Plimmer, F.L.S. (from the Laboratory of the Brown Institu- 

 tion). (With Plates 24 and 25) .... 449 



Notes on Actinotrocha. By K. Ramunni Menon, Assistant Pro- 

 fessor, Presidency College, Madras. (With Plate 2G) . . 473 



Review of Mr. Iwaji Ikeda's Observations on the Development, 

 Structure, and Metamorphosis of Actinotroc-ha . . . 485 



CONTENTS OF No. 180, N.S., MARCH, 1902. 



MEMOIRS : 



On the Structure of the Excretory Organs of Amphioxus. — Part I. 

 By Edwin S. Goodrich, M.A , Fellow of Merton College, Oxford. 

 (With Plate 27) . . . . . . .493 



A Contribution to the Morphology of the Teleostean Head Skeleton, 

 based upon a Study of the Developing Skull of the Three-spined 

 Stickleback (Gasterosteus aculeatus). By H. H. Swinner- 

 TON, B.Sc, from the Zoological Laboratory, Royal College of 

 Science, London. (With Plates 28—31 and 5 Text Illustrations) 503 



The Development of Admetus pumilio, Koch : a Contribution to 

 tiie Embryology of the Pedijjalps. By L. H. GouGii. (With 

 Plates 32 and 33) ..... 



Ou the Teeth of Petromyzon and Myxine. By Ernest Warren 

 D.Sc., Assistant' Professor of Zoology, University College 

 London. (Witii Plate 34) ... . 



Typhlorhynch us nanus, a Ntw Rluibdocttle. By F. F. Laidlaw 

 B.A. (With Plate 35) . 



595 



631 



637 



