This thesis is a discussion of the major bee diseases
found in Oregon with notes on minor ailments of bees and
on diseases not yet present followed by a history of the
introduction and spread of the more important diseases,
a history of bee legislation in Oregon and a discussion...
The umbellulone was isolated from the myrtle oil by the
sulfite method, which was found to be the most inexpensive
and convenient method of obtaining the pure ketone.
The umbellulone was hydrogenated in the vapor phase
over a nickel catalyst, passing it through an electric tube
furnace, in an attempt...