contents. v 



Proceeding s. page 



Proceedings from January 27th. 1908, to June 19th, inclusive . . 343 



PART No. 64, APRIL 1909. 



Papers. 



W. IMBODEN, F.E.M.S. A Simple Drawing and Projection Apparatus 



for Microscopical Low-Power Object- 353 



D. J. SCOUBFIELD, F.Z.S., F.R.M.S. The Locomotion of Microscopic 



Aquatic Organisms 357 



\V. Wesche, F.R.M.S. The Structure of the Eye-Surface, and the 



Sexual Differences of the Eyes in Diptera (Plate 28) . . 367 



T. B. Bosseteb, F.R.M.S. On Holoitomum excisum ( Linstow, 190G), 



and the Development of a Tetracotyliform Larva to a IIolo- 



stomum sp. (Plate 29) 385 



T. B. Rosseter, F.R.M.S. Hymenolepis adeula-sinuata, a New 



Species of Tapeworm (Plate 30) 393 



E. Heron-Allen, F.L.S., F.R.M.S., and Arthur Earland. On a 



New Species of Technitella from the North Sea, with some 

 Observations upon Selective Power as exercised by certain 

 species of Arenaceous Foraminifera (Plates 31-35) . . . 403 



Proceedings, Etc. 



Proceedings from October 2nd, 1908, to December 4th, inclusive . 413 



Forty-third Annual Report ......... 431 



Report of Treasurer 430 



PART Xo. 65, NOVEMBER 1909. 



Papers. 



E. A. Minchin. M.A. President's Address — Some Applications of 



Microscopy to Modern Science and Practical Knowledge . . 437 



\V. Wesche, F.R.M.S. Notes on the Life-history of the Tachinid 

 fly, Phorocera serriventris, Rondani, and on the Viviparous Habit 

 of other Diptera (Plate 36) 451 



A. C. Banfield. On a Method of Preparing Stereo-photomicrographs 



(Plates 37-40) 459 



C. F. Pousselet, F.R.M.S. On the Geographical Distribution of the 



Rotifera 465 



