THE AMERICAN 



MONTHLY 



MICROSCOPICAL JOURNAL 



YoL. XIII. SEPTEMBER, 1892. No. 9. 



CONTENTS. 



The Fifteenth Annual Meeting Microscopical Apparatus. — 



of the American Microscopi- t Edinburgh Student's Micro- 

 cal Society. — Smiley - - - 201 



The Leeuwenhoek Microscopi- 

 cal Club of Manchester, Eng. 

 — Smiley 210 



scope (illustrated) - - - . 219 

 Microscopical News. — The Mi- 

 croscopic Determination of 



What is a Species in the Diato- Rock-forming Minerals - - 220 



mace^.— Edwards - - - - 212 Microscopical Societies.— 



Radiolaria : Their Life-Historj San Francisco. London - - 221 



and Their Classification. — New Publications.— Murtfeldt. 



Carter -.-..--- 216 Wood. Stephens - - - - 223 



The Fifteenth Annual Meeting of the American Microscopi- 

 cal Society. 



By ROBERT W. SMILEY, 



WASHINGTON, D. C. 



The American Microscopical Society, formerly the American 

 Society of Microscopists, held its fifteenth annual convention in 

 the city of Rochester, N. Y., August 9 to 12, inclusive. The 

 meetings were opened to the public and enough popular interest 

 was manifested to insure a goodly attendance. 



The opening meeting was held in Anderson Hall, on the Uni- 

 versity campus. 



The morning and afternoon sessions of the society were given 

 up to business and reading of papers, while the evenings were 

 devoted to the reading of the presidential address and various 

 social gatherings. 



The Delta Upsilon chapter house, at the corner of University 

 avenue and Goodman street, was the headquarters of the society, 



