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PEOCEEDINGS OF THE SOCIETY. 



The first Conversazione of the Session was held on tlio 23rd November, 

 1887. 



The following objects, &c., were exhibited : — 



Mr. J. Badcock : 



Garchesium polypinum. 

 Mr. C. Baker : 



(1) Bacteriological Microscope with 1/2 in. homogeneous-immersion 

 and Abbe condenser. (2) Nelson Model Microscope, with differen- 

 tial screw fine-adjustment specially adapted for photomicrography. 

 (3) New Microscope Stands by Zeiss with Iris Diaphragm to Abbe 

 condenser. (4) Podura scale x 500 under Zeiss apochromatic 

 4 • mm. objective N.A. • 95. (5) Triceratium favus x 300 under 

 Zeiss CC (1/4 in.) objective and Abbe condenser, dark ground 

 illumination. (6) Aidacodiscus Stoschii and A. formosus, under 

 Zeiss apochromatic 16 • mm. objective and Abbe condenser ; dark 

 ground illumination. 

 Messrs. E. and J. Beck : 



(1) Spirillum under new 1/12 oil-immersion. (2) Podura Scale under 

 cheap 1/4 in. with 4th eye-piece. 

 Mr. Bolton : 



Dendrosoma radians. 

 Mr. E. T. Browne : 



Ortliesia cataphracta and 0. insignis. 

 Mr. Crisp : 



Dellebarre Microscope. 

 Prof. Crookshank : 



Demonstration of specimens in the new Bacteriological Laboratory, 

 and projection of Photographs of Bacteria upon screen with 

 Oxyhydrogen Lantern. 

 Mr. Dadswell : 



(1) Cyclosis in bulbil of LychnotTiammus stelUger. (2) Epistylis. 

 (3) Amoeba p-inceps. 

 Mr. F. Enock : 



(1) The Hessian Fly, Cecidomyia destructor Say. (2) Parasite of 

 ditto, Semiotellus destructor Say. (3) Head 'of Devil's Coach- 

 horse, Oxypus oleus. 

 Mr. F. Fitch : 



Dissection of Garden Spider, Epeira diadema. 

 Mr. H. E. Freeman : 



(1) Serial sections of Spiders prepared by Mr. H. M. Underbill. 

 (2) Sections of Eyes of Butterfly (Fieris hrassicse). 

 Prof. Groves : 



Continuity of Protoplasm between the cells of a medullary ray in 

 internodes of species of Nerium (Oleander) and HeliantJius annuus 

 (Sunflower). 

 Mr. H. F. Hailes : 



Foraminifera from Davis' Straits. 



