LITERARY AIDS. ou 
Conference, and in America, since 1857, by the annual “ Re- 
port on the Progress of Pharmacy,” contained in the ‘‘ Proceed- 
ings of the American Pharmaceutical Association,” in which 
trade relations also find consideration. 
‘The Botanisches Centralblatt (Fischer, at Cassel), a journal 
of reference, which has appeared since 1880, under the editor- 
ship of Behrens and Uhlworm, and (since 1873) Just’s Bota- 
nischer Jahresbericht (since 1883 under the editorship of Geyler 
and Kéhne), also consider the literature of pharmacognosy, 
even though only in a secondary manner. 
