Ill 



CONTEjS^TS. 



PART No. 66, APRIL 1910. 

 Papers. 



PAGE 



E. A. MiNCHiN, M.A., F.Z.S. President's Address Some Considera- 

 tions on the Phenomena of Parasitism amongst Protozoa . 1 



Notes. 



J. S. DuNKEBLY, B.Sc. Note on our Present Knowledge of the 



Choanoflagellata (Plate 1) 19 



Notices of Books 25 



Proceedings, etc. 



Proceedings from October 26th, 1909, to February 22nd, 1910, inclusive 27 



Forty-fourth Annual Report, 1909 47 



Eeport of the Treasurer, 1909 54 



PART No. 67, NOVEMBER 1910. 



Papers. 



A. E. Hilton. The Life-phases of Mycetozoa 55 



David Bryce. On a New Classification of the Bdelloid Piotifera 



(Plate 2) 61 



Edward M. Nelson, F.K.M.S. Navicula rhomhoides and Allied Forms 93 

 (jr. S. West, M.A., D.Sc, F.L.S. Some New African Species of 



Volvox (Plate 3) 99 



Henry Sidebottom. Two New Species of Cassidulina (Plate 4) . 105 

 Charles D. Soar, F.K.M.S. A Contribution to the List of Hydrach- 



nidae found in the East African Lakes (Plate 5) . . . 109 



Notes. 



James Burton. A Note on Two Instances of " Breaking of the 



Meres" 115 



A, C. Banfield. Note on a Sliding Nose-piece for use in Stereo- 

 photomicrography (fig. in text) 121 



Notices op Books . 123 



65179 



