444 proceedings of the society. 



Conversazione. 



Tlie Second Conversazione of the Session was held on the 26th 

 April in the Libraries of King's College, when the following objects, 

 &c., were exhibited :— 

 Mr. J. Badcock : 



Fredericella sultana and Ejjistylis sp. 

 Mr. C. Baker : 



Preparations from the Zoological Station, Naples. 

 Messrs. R. and J. Beck : 



Section of Leech and International Microscope. 

 Mr. Thos. Bolton : 



Fredericella sultana. 

 Mr. W. G. Cocks : 



Lachmlaria socialis. 

 Mr. Crisp : 



Various Schizophytes mounted by Dr. Zimmermann, of Chemnitz. 

 Mr. H. Crouch : 



New Portable Microscope, and Siddall's stage for use with 

 ordinary selenites. 

 Mr. Thos. Curties : 



Section of Triton, and larva of Synapta. 

 Mr. E. T. Draper : 



Portfolio of drawings of microscopical objects. 

 Mr. L. Dreyfus : 



Argulus foliaceus. 

 Mr. F. Enoch ; 



Heads of bees showing all the organs of the mouth in their 

 natural form and colour. (Edipoda cruceata, one day old ; 

 born in England from eggs sent from Troy. 

 Mr. F. Fitch : 



Ventral cords of blow-fly from thoracic ganglion to end of 

 abdomen and ramification. 

 Mr. C. J. Fox : 



Diffraction effects produced by rectilinear and circular gratings. 

 Dr. H. Gibbes : 



Human epididymis with spermatozoa in the tubes ; section of 

 mammalian kidney showing ciliated epithelium in the con- 

 voluted tubes, and cerebellum injected and treble stained, 

 showing cells of Purkinge and nerves proceeding from them. 

 Mr. N. E. Green : 



Plem-osigma formosum by side and transmitted light, and Notting- 

 ham deposit by side light. 

 Mr. J. Hood : 



Cristatella mucedo. 

 Mr. Joshua : 



Ceramium acantlionopum showing tetraspores, and Hydrurus pen- 

 cillatus sent from Norway by Dr. 0. Nordstedt. 

 Mr. A. D. Michael : 



Pachygnatha de Geerii showing accessory sexual organs, and 

 Temhipalpus spinosus. 



