
          122

and if this insect is to be left to its natural enemies, it 
will not be long before our entire [peninsula], the finest
peach-growing region in the world, will be brought to the
same deplorable condition. x x  -- Edward Wilins, Riverside,
Md., Feb. 2, 1873. pp. 100-102.  The American Farmer, Baltimore,
Md. 1875.  Title, "The Grape Phylloxera and the Yellows
in Peach Trees."

In reply to this (Ibid. p. 146) Prof. Riley says: "If
Mr. Wilkins has traced any real connection between the yellows
and some root louse on the peach--which from what I know
of the yellows I can scarcely believe--he has made a grand
discovery."  Specimens of this Aphis were not sent to Prof.
Riley but to Prof. Uhler of Baltimore, who says:  "So far as
the insect can be determined, when in its wingless state, it
is the Aphis chrysanthemi, of Koch, found originally living
on the ox-eye daisy, and not the Aphis Persicae."

"We spent a day last month [July, 1875] in company with 
Prof. P. R. Uhler and Mr. Brackenridge at Riverside, the
weill known farm of Col. Edward Wilkins. x x Prof. U. is the
President of the Maryland Academy of Sciences. x x Col.
        