La CEA И e оч т 
By ; 
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INTERNATIONAL CATALOGUE OF 
SCIENTIFIC LITERATURE. 
Tue Rovarn Зостету has been engaged for some years past in armnging for 
the publication of an International Catalogue of Scientific Literature, 
beginning from the Ist January, 1901. Each science is represented in 
an annual volume containing lists arranged under authors and ubjects, of 
all books and papers published during the year; these are :ontributed 
through official channels of information—abroad, by direct cojtrol of the 
respective governments—at home, by meaus of the various Soieties which 
devote themselves to particular sciences; those Societies wbse domains 
overlap having arranged for mutual cooperation. 
The collection of title-slips for the United Kingdom of (reat Britain 
and Ireland as regards 
BOTANY 
has been undertaken by the Council of the Linnean Society, ad they appeal 
to all botanic workers for support in their endeavour to comile a complete 
record, by sending notices promptly of all botanic issues to te undersigned. ` 
The seventh volume is in the press, and the eighth is in p?paration. 
B. DAYDON JACKON, 
General Secretay, Linn. Soc. 
