60 THE AMERICAN MONTHLY [February, 



surgical instruments, and scientific books. Putting these on the 

 free-list will be of much benefit to physicians. — Lancet C/iti/c. 



Peroxide of Hydrogen. — The Drevet Manufacturing Com- 

 pany, of 28 Prince street. New York, will send to any one desir- 

 ing it a circular containing a full and complete answer to certain 

 criticisms recently made by a New York physician upon the 

 character and effects of the preparations of peroxide of hydrogen 

 manufactured l)y them. As peroxide of hydrogen possesses un- 

 doubted medicinal properties, this reply will be read with interest 

 by members of the medical profession. 



Too Much Business. — Please discontinue my exchange 

 notice, as an unlooked-for number of responses have already ex- 

 hausted my supply. — H. C. F. 



MICKOSCOPICAL SOCIETIES. 



San Francisco, Cal. — Geo. Otis Mitchell, Sec^y. 



Wednesday^ Feb. /, i8gj — Atimial Meeting. — After the rou 

 tine business, which included the election of three new members 

 and the receipt of proposals from three others, the reports of the 

 retiring officers were read. The financial statement of the treas- 

 urer, Charles C. Riedy, showed a good balance on hand, after the 

 expenditure of several hundred dollars for additions to the library 

 and for other property. George Otis Mitchell, the corresponding 

 secretary, read a statement of the various matters undertaken by 

 him, the chief of which was putting the society in closer relations 

 with all kindred societies and compiling a list of them with the 

 date of their foimding. 



President Breckenfeld then read his annual address, which re- 

 viewed the work of the society for the past year. He said the 

 year had been the most prosperous one in the history of the so- 

 ciety, and the unabated interest in the meetings was evidenced by 

 the attendance, which had been larger than ever before. The 

 papers read and the addresses made at its various meetings had 

 been of exceptional value. The library, the pride of the society, 

 he said, had been considerably augmented, not only by valuable 

 donations and extensive purchases, but by binding up and making 

 available the mass of periodical and pamphlet literatui'e. So 

 numerous had been these additions that the president suggested 

 the rearranging and recataloguing of the entire library. 



The cabinet of slides and materials has been largely increased, 

 and the work-room and laboratory have had many additions, in- 

 creasing their efficiency. The paper also mentioned the plan of 

 holding conversational meetings, when invitations had been sent 

 find responded to by large numbers of persons, whose interest in 



