88 PROCEEDINGS OF SOCIETIES, 



surface of the battledore scale was seen studded all over with shaded 

 granules or beads, which stood up in remarkable relief ; the dimi- 

 nished aperture increasing the focal depth of vision. 



Note. — Dr. Pigott desires to add that he by no means wishes to 

 disparage the value of large angular aperture. Microscopes as well 

 as telescopes, under certain conditions, were however often improved 

 in definition by reducing aperture. 



The meeting of the 7th February will be the anniversary meeting 

 of the Society. 



Donations to the Library, from Dec. 6th, 1871, to Jan. 3rd, 1872 : — 



From 



Land and "Water. Weekly The Editor. 



Society of Arts Journal. Weekly Society. 



Nature. Weekly Editor, 



Athenaeum. Weekly Ditto. 



Journal of tlie Linnean Society, No. 54 Society. 



Memorias da Academia Eeal das Sciencias de Lisboa. Tomo 4. 



Parte 1 and 2 Academy. 



Annual Eeport of the Brighton and Sussex Natural Historj' Society, 



1870-71 Society. 



Journal of the London Institution, No. 9 Institution. 



"Waltee W. Reeves, 



Assist, -Secretary, 



