EUCALYPTUS TREES, 447 
which commercial raw products are obtained, and 
those which require costly machinery or toilsome 
application, to perfect the mercantile article. The 
brief chemical notes are largely derived from Profes- 
sor Wittstein’s ‘‘Chemische Analyse von Pflanzen- 
theilen,’”’ of which important work with the author’s 
friendly concession a translation by the writer is early 
to appear. By these means industrial inquiry may 
here also be advanced, modern therapeutics for in- 
stance depending often, with far more exactness, on 
alkaloids or other chemically defined substances, than 
on the administration of a plant as a whole. In con- 
clusion, the writer trusts that by the issue of these 
pages our transoceanic interchanges may become ex- 
tended, and the vegetable treasures of distant coun- 
tries may be rendered more extensively our own, 
while some slight advantage may also arise from, 
these unpretensive data to countries endowed with 
climatic regions not dissimilar to those of Victoria. 
