Mr. Matthews unfortunately did not label the specimens he described as types; he only put the same number on all specimen.of the same species. With the exception of the sprees enumerated below, all are to be found in his collection now in my possession.

The Species found iu America are thus distriljuted : -America-Northern 15 Central Corylophus Peruanus.-Breviterovalis, glaber. l;evis, niger, prothorace antico pedibusqne testaceis, prothorace antice rotundato, margine paullo (lateraliter magis) deplanato; coleopteris apice rotundatis, lateribus margiuatis.Long. IJ ; lat. 1 mill. -Broader than C. cassidoides, black, shining, front of thorax and legs yellow, thorax semicircular, with the margins slightly reflesed, posterior angles acute, elytra moderately convex, sides margined.Although the foregoing descriptions are too imperfect for identification without the aid of types, the species seem to be distinct, since the characters given do not agree with any others with which I am acquainted ; but from such scanty material it is not possible to form any reliable opinion. KRAATZ (G.

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