New YorK AGRICULTURAL EXPERIMENT STATION. 261 
per gallon; while Series II consisted of 150° flash test (‘“‘ water 
white ’”’), costing 1234 cents per gallon. Of the crude petroleums, 
that in Series I had a specific gravity of 0.8387 (35° on Baumé 
oil scale) and was called ‘‘ reduced oil or gas oil,” costing 1034 
cents per gallon; that in Series II had a specific gravity of 0.795 
(4314° on Baumé oil scale). This was called crude petroleum 
and cost 11 cents per gallon. 
KEROSENE SERIES. 
The following tables show the results from applying oil of 
different strength, at different dates, and on different varieties of 
trees. The effect on the trees is first given, then the effect on the 
insects; while the discussion summarizes, as far as possible, the: 
results of Station tests and others of similar character. These 
tests were made in orchards at Cottage Gardens, Queens. 
