Page:Memoirs on the coleoptera (IA memoirsoncoleopt01case).pdf/55

Rh

Readily distinguishable by the form of the head and antennal characters.

Closely allied to the preceding but differing in the form and size of the head, smaller terminal joint of the antennæ, more parallel abdomen and other features.

In general organization the three preceding species agree very well, and they form a perfectly natural group, whether or not actually the same as the European Traumœcia, as represented by a specimen before me named T. ravilla Er.

The following species is aberrant in its more strongly asperate sculpture: