1876.] Microscopy. 311 
evenings of month, at Academy Buildings, Mulberry St. Chairman, B. 
W. Barton, M. D.; Secretary, W. G. Harrison, M. D., 69 Centre St. 
Memphis Microscopical Society, Memphis, Tenn. Organized 1874. 
Meets first and third Thursday evenings of month, at 218 Main St. 
President, S. P. Cutler, M. D.; Secretary and Treasurer, A. F. Dod, 
257 Main St. 
New Jersey Microscopical Society, New Brunswick, N. J. Organized 
1871. Meets second Monday evening of month at Rutgers College. 
President, Prof. F. C. Van Dyck; Rec. Secretary, Rev. Samuel Lock- 
wood, Ph. D., Freehold, Monmouth Co., N. J 
Providence Franklin Society, Providence, R. I.; Microscopical De- 
partment. Organized 1874. Meets every second Wednesday evening 
at rooms in North Main St. President, Prof. Eli. W. Blake, Jr.; Vice- 
President, A. O. Tilden; Secretary, Prof. John Peirce; Treasurer, C. B. 
Johnson, M. D. ; Librarian, N. N. Mason. 
San Francisco Microscopical Society, San Francisco, Cal. Organized 
1872. Meets first and third Thursdays of month at 531 Cal. St.; Presi- 
dent, Prof. William Ashburner ; Vice-President, Henry C. Hyde; Rec. 
Secretary, C. Mason Kinne, 422 Cal. St.; Cor. Secretary, Charles W. 
Banks ; Treasurer, Charles G. Ewing. 
Society of Natural Sciences, Buffalo, N. Y.; Microscopical Section. 
Organized 1872. Curator, Henry Mills, 162 Fargo Ave. 
State Microscopical Society of Illinois, Chicago, Ill. Organized 1869. 
Meets second and fourth Fridays of month, at the Academy of Sciences. 
President, Henry W. Fuller; Secretary, B. W. Thomas; Cor. Secre- 
tary, Charles Adams ; Treasurer, Geo. M. Higginson. : 
tate Microscopical Society of Michigan, Kalamazoo, Mich. Presi- 
dent, Rev. Dr. Foster. 
Troy Scientific Association, Troy, N. Y.; Microscopical Section. Or- 
ganized 1870. Meets first Monday evening of month, except July and 
August, at residences of members. President, R. H. Ward, M. D.; 
Vice-President, Rev. A. B. Hervey ; Secretary, Prof. Arthur W. Bower. 
Tyndall Association, Columbus, Ohio; Microscopical Section. Or- 
ganized 1874. Meets first and third Saturday evenings of month. Pres- 
ident, Rey. I. F, Stidham ; Secretary, C. Howard; Curator, M. Hensel. 
Tue Lesuwennorx Mepat.—The first award under the provision 
made at the two hundredth anniversary of the discovery of infusoria by 
Leeuwenhoek, for bestowing a medal in his honor upon distinguished 
mictoscopists, has been received by the oldest European candidate, Pro- 
essor Ehrenberg, of Berlin. 
NEw ADJUSTMENT ror Cox’s Turn-Tasie.— A slide may be, by 
this turn-table, centred for width only, by laying it on the table at right 
angles to the line of the spindle and placing triangles of brass, or even 
cardboard, between it and the clutches which are designed to hold the 
Corners of the slide. When thus arranged the slide may be slipped so 
