Noveviber 7th. — Mr. Thomas Comcei:, F. L.S., read a paper on "Photomicro- 

 graphy," in which he gave a full explanation of the working of the Camera 

 and Microscope : he also exhibited a series of photographs of Diatomacea; 

 and other objects, made by him. 

 There was no Conversazione on this evening. 



December 5th — Mr. William Oeleichs, F.R.M.S., exhibited photogi-aphs of 

 various Bacilli taken and published by Dr. Robert Koch of Berlin. 



ilr. James Hornell referred to and described with drawings his exhibit, 

 "Xorthia conchylega," an Annelid new to the district. 



Mr. Thomas Birks read a paper "On Some of the Smaller Fungi," illus- 

 trated by drawings and numerous well prepared specimens. 



At the Conversazione the following subjects were illustrated : — 



.^cidium Ranunculacearum W. H. Read. 



Eurotium Asi)ergillus glaucus, &e Wm. Narramore. 



Fungus oti' a Banana F.N.Pierce. 



Oak Leaf Fungus J. Gould. 



Peziza scutellata Thos. Birks. 



Phragmidium gi-acile T. C. Ryley. 



Phragmidium violaceum, &c A. N. Tate. 



Boestelia lacerata, &c Wm. Oelrichs. 



Stemonitis fusca, Craterium pyriforme A. Leicester. 



Xenodochus carbonarius, &c J. M. Williams. 



Feather of young Starling in its follicle A. Johnson. 



Gloeocapsa sanguinea (Confervoid Alga) -i 



Cluster Cups (yEcidium from leaf of Coltsfoot) / ' 



New Life Trough -i 



Deep Cell Mounts of some British Sponges J 



Northia conchylega (an Annelid new to the disti-ict) ... Jas. Hornell. 



