CONTENTS. 



CONTENTS OF No. 197, N.S., APRIL, 1906. 



MEMOIRS : PAGE 



The Life-cycle of " Cystobia " irregularis (Minch.), together 

 with Observations on other "Neogamous" Gregarines. By 

 H. M. Woodcock, D.Sc.Lond. (With Plates 1—6) . 1 



The Anatomy of Oncholainius vulgaris, Bast., with Notes on 

 two Parasitic Nematodes, By P. H. Stewart, M.A., B.Sc, 

 M.B., Lieut. Indian Medical Service. (With Plates 7— 9) . 101 

 The Hsemoflagellates : a Review of Present Knowledge relating to 

 the Trypanosomes and allied forms. By II. M. Woodcock, 

 D.Sc.Lond. (With Text-figures.) {To be conlmted) . 151 



CONTENTS OF No. 198, N.S., JUNE, 1906. 



MEMOIRS : 



The Hsemoflagellates : a Review of Present Knowledge relating 

 to the Trypanosomes and allied forms. {Continued from p. 231.) 

 By H. M. Woodcock, D.Sc.Lond. (With Text-figures.) . 233 



Notes on the Development, Structure, and Origin of the Median 

 and Paired Pins of Fish. By Edwin S. Goodkicii, E.R.S., 

 Fellow of Merton College, Oxford. (With Plates 10—14) . 333 



Preliminary Account of a New Organ in Periplaneta orien- 

 talis. By Ruth M. Haekison, Lady Margaret Hall, Oxford. 

 (With Plate 15) .... . 377 



CONTENTS OF No. 199, N.S., AUGUST, 1906. 



MEMOIRS : 



On the Development of Nebalia. By Makgaket Robinson, 



Zoological Research Laboratory, University College, London. 



(With Plates 16—21) . . . . .383 



