xvi Twenty-fourth Annual Report of the _
out by Dr. Healy, and by this method he has succeeded in
isolating bacillus typhosus from infected water three times
during the past year, in one case obtaining positive results
as early as the fourth day.
Coopcra.ti·rve Work. Professor Garman has continued
the important series of experiments in rotation carried on
in cooperation with the Bureau of Plant Industry of the
United States Department of Agriculture.
The experiments with forage crops at Hindman, in co-
operation with the W. C. T. U. School, were also continued
during the past year.
An experiment in dipping sheep, conducted in coopera-
tion with the Bureau of Animal Industry, United States
Department of Agriculture, was concluded during the past
year. By this experiment, it was determined that flowers
of sulphur is not needed in tobacco dips in treating sheep
for scabies. As a result of this experiment,ithe Bureau of ·
Animal Industry has withdrawn the requirements of flowers
' of sulphur in the official dipping of sheep, where tobacco
dips are used. c
The variety tests of oats and barley in cooperation with
the United States Department of Agriculture have also been
continued, and the lists contain some promising selections.
The cooperative tobacco work with the United States
Department of Agriculture has been carried on during the
past year by Mr. B. F. Scherffius, Tobacco Expert, who
succeeded Mr. Woosley. His work has included the im-
provement of native strains of tobacco by seed selection and
i pure breeding; the determination, by experiment, of the
best use of fertilizers for improving the quality and yield
of tobacco; the development of a better rotation system with
tobacco as the leading crop, the effect of environment upon
the plant; and the improvement of methods of cultivation
and curing.
Fcw·mcrs’ [’)lS‘litl€’ll[(*S. Professor Bryant has handled
much of the institute work done by the Station, although
Professors Roberts, Garman, Good and Kinney, have also A
delivered addresses at a number of the institutes.
State Frm'. Fair exhibits of an educational nature
have been, made at the Blue Grass Fair in Lexington and
at the State Fair in Louisville. The exhibit at the Blue
Grass Fair was participated in by the Divisions of Agrono-
my, Entomology and Botany, Food and Drugs, and Animal