114 FORTY-SEVENTH ANNUAL REPORT. 



May. R. T. Lewis, F.R.M.S. Notes on Solpuga. 



,, A. E. Oonrady, F.R.A.S. Some Experiments on Alter- 



native Microscopical Theories. 

 June. W. B. Stokes. Resolutions obtained with Dark- 

 Ground Illumination and their Relation to the 

 Spectrum Theory. 

 R. W. H. Row. On a Saw-fly. 



Oct. Julius Rheinberg, F.R.M.S. On Resolutions obtained 



with Dark-Ground Illumination and their Relation 

 to the Abbe Theory. 

 A. Earland, F.R.M.S., and E. Heron-Allen, F.L.S. 

 Foraminifera as World Builders. 

 Nov. Prof. Arthur Dendy, F.R.S. On a New Species of 



Holothurian. 

 E. M. Nelson, F.R.M.S. On Microscope Construction. 



On Namcula rhomboides. 



55 



M 55 5? >5 



On a New Low-Power Con- 



55 55 5) 55 



denser. 



The following exhibits were made : 



Jan. E. M. Nelson, F.R.M.S. Photomicrographs. 



,, A. Earland, F.R.M.S. Photomicrographs of Recent 



Foraminifera. 

 W. Watson & Sons, Ltd. Microscope Tray. 



,, Charles Baker. Nelson's Dark-Ground Illuminator. 



March. T. W. Butcher, F.R.M.S. Photomicrographs of Nam- 

 cula Smithii. 

 Charles Baker. Nelson's Oil Immersion Dark-Ground 



Illuminator. 

 ,, Charles Baker. Nelson's Improved Chromatic Con- 



denser. 

 Charles Baker. Nelson's Improved Rousselet Com- 



pressor. 

 April. C. D. Soar, F.R.M.S. Drawings of Water-Mites. 

 A. W. Stokes. Electric Lamps for the Microscope. 



C. F. Rousselet, F.R.M.S. Diatoms with "Pseudo- 



podia." 

 Charles Baker. A New l|-in. Objective of N.A, 0'18. 



Oct. E. Leitz. The Epidiascope. 



