On the Histology of the Human Skin ... 



A New Immersion Paraboloid 



A New British Sponge 



The General Characteristics of Sponges 



The New Autographic Process 



The Investigation of Floral Develop- 

 ment 



Glyciphagus pa Imifer 



Insect Dissection 



Microscopical Tracings of Lissajous' 

 Curves 



A New Micrometer 



Mounting whole Insects without 

 pressure 



Variation in Spongilla flaviatilis 



An Apparatus for facilitating the use 

 of Powell's Small Bull's-eye Il- 

 luminator 



The Structure of the Eyes of Insects 



The Influence of Diffraction in Micro- 

 scopic Vision 



By Air. Chas. Stewart. 

 „ Dr. James Edmunds. 

 „ Mr. J. G. Waller. 

 Air. Chas. Stewai't. 



» 



n 



Mr. A. Cottam. 



,, Mr. Marcus M. Hartog. 

 Mr. A. D. Michael. 



» 



11 



Mr. T. Charters White. 



„ Mr. Robt. G. West. 



„ Mr. G. J. Burch. 



„ Mr. Staniforth Green. 



„ Mr. J. G. Wcdler. 



„ Mr. George Williams. 

 „ Mr. B. Thompson Lowne. 



„ Air. Frank Crisp. 



Besides the above, several short notes upon various subjects 

 have been communicated, and are reported in the Proceedings. 



The following additions have been made to the Library, 

 by donation, exchange and purchase : — 



PRESENTED BY 



Murray (A.), Economic Entomology Mr. J. C. Sigsworth. 



Maclise (J.), Comparative Osteology Mr. W. J. Scojield. 



Leifchild (J. R.) On Coal The Author. 



Baker (H.), The Microscope made easy 



Third Edition Air. AI. Ilaiuhins Johnson. 



Do. Natural History of the Polype „ 



Brongniart (A.), Traite elementaire de 



Mineralogie. 2 Vols „ 



Say (T.), American Entomology. 3 Vols. Air. Hy. Lee. 

 Lee (H.), Aquarium Notes — The Octopus The Author. 

 Thudichum (J. L. W.), Manual of Chemical 



Physiology Mr. 11. E. Freeman. 



ii 



ii 



