166 PROCEEDINGS OF SOCIETIES. 
“On the Measurements of the Angle of Aperture of Object- 
glasses,” by F. H. Wenham, November Ist, 1876. 
Natural History and Mineralogy. 
“The Identification of Liquid Carbonic Acid in Mineral Cavities,” 
by W. N. Hartley, F.C.S., March Ist, 1876. 
“On some Structures in Obsidian, Perlite, and Leucite,” by Frank 
Rutley, F.G.S., March Ist, 1876. - 
“Note on the Markings of Navicula rhomboides,” by Dr. J. J. 
Woodward, April 5th, 1876. 
“Some Results of a Microscopical Study of the Belgian Plutonic 
Rocks,” by A. Rénard, §.J., April 5th, 1876. 
“ On the Markings of the Body-scale of the English Gnat and the 
American Mosquito,” by Dr. J. J. Woodward, May 3rd, 1876. 
“On Remulina Sorbyana,” by J. F. Blake, May 3rd, 1876. 
“On the Rotifer Conochilus volvox,” by Henry Davis, June 7th, 
1876. 
“On the Microscopical Structure of Amber,’ by H. C. Sorby and 
P. J. Butler, October 4th, 1876. 
“ A Curious Fact in connection with certain Cells in the Leaves 
of Hypericum Androsemum,” by W. Hinds, M.D. 
“ Experiments with a Sterile Putrescible Fluid exposed alternately 
to an Optically Pure Atmosphere,” &c., &c., by Rev. W. H. Dallinger, 
November Ist, 1876. 
“ Bastian and Pasteur on Spontaneous Generation” (translation), 
by H. J. Slack. 
“The Markings of Frustulia Saxonica,’ by Samuel Wells. 
“Qn Navicula crassinervis, Frustulia Saxonica, and Navicula 
rhomboides, as Test-Objects,” by Rev. W. H. Dallinger, December 
6th, 1876. 
“On the Relations between the Development, Reproduction, and 
Markings of the Diatomacee,” by Dr. G. C. Wallich, January 38rd, 
1877, 
Twelve gentlemen have been elected Fellows, and two have been 
elected Honorary Fellows of the Society during the year, and the 
Society have to regret the loss of seven ordinary and one Honorary 
Fellow. 
OBITUARY. 
CuristTIAN Gorrrreip Eprensere was born on the 19th of April, 
1795, at Delitzsch, in Saxony, of which town his father was what we 
may perhaps call “town regent” (Stadtrichter), Even at the early 
age of fifteen he evinced a strong taste for the study of natural . 
history; but being destined by his father for the Church, he was sent 
to study theology at the University of Leipzig. He, however, soon 
resolved to devote himself to a profession more closely connected with 
his favourite subject, and applied himself to the study of medicine, 
thinking it impossible to earn his living by devotion to pure science. 
In 1819 he commenced practice, but abandoned it in the course of a 
