194 PEOOEEDINGS OF SOCIETIES. [SffiMaSrS^ 
Donations to the Library and Cabinet — continued. From 
United States' Patent Office Keports for 1866. Three Vols. . . U. 8. Government. 
Verbreitung und Einfluss des Mikroskopischen in Sud- mid 
Nord- Amerika, by 0. G. Ehrenberg Henry Lee, Esq, 
An Improved Pseudoscopic Microscope Chas. Heisch, Esq. 
Some Casts of Diatoms Dr. Maddox. 
A Slide of Tromhidiam tinctorium Mr. Leggett. 
Nine Slides of Ophiocoma granulata, &c Dr. Carpenter. 
114 Slides of Free Nematoids Dr. C. Bastian. 
Walter W. Eeeves, 
Librarian, ^c. 
The following gentlemen were duly elected Fellows of the 
Society : — 
Eobert Turtle Pigott, Esq. 
Herbert Campbell Moss, Esq. 
Walter W. Eeeves, 
Assist. Secretary. 
QUEKETT MiCEOSCOPICAL ClUB. 
At the forty-first ordinary meeting, held at University College, 
January 22nd, Arthur E. Durham, Esq., F.L.S., &c., President, in the 
chair, — ten new members were elected, and ten gentlemen were pro- 
posed for membership ; several presents to the cabinet and library 
were also announced, and duly acknowledged. The President 
informed the meeting of the great amount of success which had 
attended the establishment of the Microscopical Society of Liverpool ; 
it had already been joined by a large number of influential scientific 
gentlemen residing in that district, and gave promise of becoming 
as great a success in its way as the Quekett Microscopical Club had 
been in London. He had great pleasure in announcing that at its 
January meeting their Secretary, Mr. W. M. By water, had been 
elected the first honorary member. The Hon. Secretary for foreign 
correspondence, Mr. M. C. Cooke, communicated the intelligence of 
the establishment of the Chicago (Illinois) Microscopical Club, upon 
the basis of the Quekett Microscopical Club. He also intimated that 
his class for the study of microscopical fungi would assemble for the 
first time on the following Tuesday evening, in a room kindly lent for 
the purpose by Mr. Wheldon. 
A paper by Mr. Samuel Holmes, " On a new Form of Binocular 
Microscope," was read by Mr. George ; it gave an account of some 
experiments on stereoscopic vision made in 1858, but which were set 
aside on the appearance of Mr. Wenham's binocular. The desirability 
of obtaining if possible an equal amount of light in each tube, as well 
as an equal angle of vision, had since led the author to renew his 
attention to the subject, and the paper in question described the plan 
by which it was proposed to effect these results. A specimen of the 
optical arrangements to be used, and a diagram showing its method of 
application, were submitted to the meeting ; and after a few remarks 
by Messrs. Beckett and Leighton, unanimous votes of thanks were 
passed to the author and the reader of the paper. Mr. W. T. Suffolk 
then read a paper " On some of the means of delineating Microscopical 
