CONTENTS. 



On Professor Renevier's Geological Nomenclature. E. B. Tawney, 



F.G.S 351 



On the Birds of the Bristol District. E. Wheeler 361 



On the Age of the Cannington Park Limestone. E. B. Tawney, F.G.S. 3S0 



On Insect Anatomy. H. E. Fripp, M.D. {To be continued) 388 



On the Limits of Optical Capacity of the IMicroscope. H. E. Fripp, M.D. 407 

 On Aperture and Function of the Microscope Object Glass. H. E. 



Fripp, M.D 441 



On the Physiological Limits of Microscopic Vision. H. E. Fripp, M.D. 457 

 Notes on Carboniferous Encrinites from Clifton and Lancashire. 



J. G. Grenfell, RA., F.G.S 476 



Rainfall at CUf ton in 1875. G. F. Burder, M.D., F.M.S 489 



REPORTS OF IMEETINGS AND EXCURSIONS. 



General 



Botanical Section 



Entomological Section ... 



Geological Section 



Obituary 



127,301,491 

 134, 304, 494 

 135,308 498 

 137, 310, 501 

 603 



[Authors alone are responsible for the various statements and opinion* 

 in their respective papers.] 



