iv contents. 



Proceedings, Etc. page 



Proceedings from March 15th. 1907, to June 21st, inclusive . .193 

 Obituary. ............ 206 



PART No. 62, APRIL 190S. 



Papers. 



J. Murray. Philodina macrostyla, Ehr., and its Allies (Plates 15-17) 207 

 E. M. Kelson, F.R.M.S. Some Hairs upon the Proboscis of the BlOW- 

 ny ............ w-j i 



T. B. Rosseter, F.R.M.S. On Hymenolepis fragilis (Plate 18) . . 229 

 W. Wesche, F.R.M.S. The Male Genitalia of the Cockroach, Peri- 

 planeta orientalis, Linn., and their Homology with the 



Genitalia in Diptera (Plates 19, 20) 235 



E. J. Spitta, F.R.A.S., F.R.M.S. President's Address— the Photo- 

 graphy of very translucent Diatoms at High Magnifications . 243 



Note. 



A. A. C. Eliot Merlin, F.R.M.S. Note on Navicula Smithii and 



JV. crabro ........... 247 



Proceedings, Etc. 



Proceedings from October 18th, 1907, to December 20th, inclusive . 251 



Forty-second Annual Report (for 1907) 258 



Report of the Treasurer (for 1907) 202 



PART No. 63, NOVEMBER 1908. 



Papers. 



A. E. Hilton. On the Cause of Reversing Currents in the Plasmodia 



of Mycetozoa 263 



C. D. Soar, F.R.M.S. The Genus ILjdrachna (Plate 21) . . . 271 

 W. Wesche, F.R.M.S. The Proboscis of the Blow-fly, Calliphora 



erythrocejjhala, Mg. — a Study in Evolution (Plates 22 and 23) . 283 



T. B. Rosseter, F.R.M.S. Hymenolepis farciminalis (Plate 24). . 295 



F. P. Smith. Some British Spiders taken in 1908 (Plate 25) . . 311 



Note. 



C. F. Rousselet, F.R.M.S. Note on the Rotatorian Fauna of Boston, 



with description of Notliolca bostoniensis, s.n. (Plates 26 and 27) 335 



Notices of Books, Etc 341 



