riii Contents. 



XII. Notes on Marine Excursions — 



I. Granton. Mr J. Lindsay, 312 



II. Joppa. Mr J. Allan, 315 



XIII. Natural Endo-skeleton and Exo-skeleton of American Bull-frog 



{Ccratophrys cornuta). Mr D. Knight, 317 



XIV. Abnormal Growths on Koot of Taxodium disticlium. Mr H. 



Eraser, 318 



Meetings of Microscopic Section, — 319 



On the Progress of Microscopical Research. The President. 



Notes on Microscope Objectives. Mr W. Foroan. 



The Tougue of the Blow-fly in relation to its Food. Mr J. D. Murray. 



On an Improved Form of Centering Nosepiece, for use with Brooke's 



Double Nosepiece for Microscope. Mr A. Frazer, M.A. 

 On a Simple Form of Self-centering Turntable for Ringing Microscopic 



Specimens. Mr A. Frazer, M.A. 

 On an Improved Sliding Nosepiece and Adapter for the Microscope. Mr 



J. M. TURNEDLL. 



Annual Business Meeting 337 



Index, 339 



Lists of Members, 1881-86, i-xx 



