Abstract
There is no doubt but that our specimens which go by the above name are referable to the European P. fuliginosa Linn.Prof. Smith has noticed their superficial resemblane* which amounts to identity. I have compared examples from France with a series from New York and I can find no difference in ornamentation. Neither do they differ structurally. The venation is identical.† The genitalia of the male also are the same within the limits of variation of the species, which appear to be wide. In the specimen form Europe examined the supraanal plate is elongate-triangular, produced to a point concave below slightly curved down and bulging a little laterally at the base.
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