iv CONTENTS. 



Note. PAG e 



T. G. Kingsford. Note on a New Method of constructing Small 



Glass Tanks (Illustrated) 117 



Proceedings, etc. 



Proceedings from March 18th to June 17th, 1904, inclusive (Plate 8) . 121 



Obituary Notices 127 



List of Members i-xxv 



PART No. 56, APRIL 1905. 

 Papers. 



D. J. Scourfield, F.R.M.S. Fresh-water Biological Stations . . 129 

 C. F. Rousselet, F.R.M.S. A Description of the Rousselet Com- 



pressorium (Illustrated) 137 



E. J. Spitta, F.R.A.S., F.R.M.S. President's Address. The Im- 



provements in Modern Objectives for the Microscope popularly 



explained (Plates 9 and 10) 141 



J. Rmeinberg, F.R.M.S. On the Collected Tapers of Abbe, and 



Microscope Theory in Germany 153 



Notes. 



A. A. C. Eliot Merlin, F.R.M.S. Supplementary Note on the Foot 



of the House-fly (Illustrated) . 1G7 



A. A. C. Eliot Merlin, F.R.M.S. Note on a Modification of the 



Rousselet Live-box (Illustrated) 1G9 



A. A. C. Eliot Merlin, F.R.M.S. Note on the Cut Suctorial Tubes 

 of the Drone-fly's Proboscis as a Suggested Text-object for 

 Medium Powers . . . . . . . . . .171 



J. Rheinberg, F.R.M.S. Note on Experimental Proof that the 

 Doubling of Lines in the Abbe Experiments is not due to the 

 Diaphragms above the Objective (Illustrated) . . . .173 



Proceedings, etc. 



Proceedings from October 21st, 1904, to February 17th, 1905, inclusive 175 



Obituary Notice 180 



Thirty-ninth Annual Report (for 1901) 181 



Report of the Treasurer (for 1904) 186 



PART No. 57, NOVEMBER 1905. 

 Papers. 



A. Earland. The Foraminifera of the Shore-sand at Bognor, Sussex 



(Plates 11—14) 187 



W. W'ksche, F.R.M.S. The Genitalia of the Tsetse Fly, Glossina 



jxilpalu (Plate 15) 233 



F.P.SMITH. The Spiders of the Walcltenaerla Group . . . 239 



P. P. Smith. Anglia hancockii, a Spider New to Science (Plate 1G) . 247 



Notices of Books 251 



