A large group, containing numerous genera and species; the North American forms have been recently studied by Dr. Horn, and the following generic table is a condensation, with a few modifications, of the one given by him.

This species exhibits a well-marked local variation. Before discussing this I would correct the account in Journal N. Y. Ent. Soc., II., 168, in respect to the synonymy of confusus. This form is really the same as roseicaput, N. & D., as the description shows. How we were misled into referring the name as a strict synonym, I cannot now recall. It may be well, moreover, to retain a distinct name for the American form until its life-history is known and we can be certain whether it is or is not the same as the European ganna.

Thirty years ago Dr. Leconte described (New Species, Smithson Misc. Coll., 167, p. 100) the Ptinid Trigonogenius farctus from specimens received from San Francisco, Cala. Most specimens in our cabinets come from the same locality, but I have seen others from Alameda and Los Gatos, Cala. The collectors of the specimens never published anything on its mode of occurrence, and I fail to find in the literature a single record of its habits. Quite recently, however, Dr. James Fletcher, while on a visit to Washington, D. C., showed me two species of Coleoptera found living in red pepper, in Victoria, Br. Col. One is Tribolium ferrugineum, a common cosmopolitan Tenebrionid, which has been found before under similar conditions; but the second species proves to be Trigonogenius farctus. Several specimens of this were obtained, thus showing that its occurrence in the pepper was not accidental, and I have no doubt that upon further research the earlier stages of the beetle can also be found in the pepper.

None of the species herein described or listed are as much as 10 mm. long.

I. Marginal cell truncate: The species of this section are not true Andrena, but will form a distinct genus, apparently as near to Prosapis as to Andreua. Two of the larger species, A. asclepiadis, Ckll., and A. mexicanorum, Ckll., are congeneric. I have before me also a species from Texas.

Lepyrus alternans, Casey.—In a former paper (p. 125) the form described under this name was united with Capucinus, Schall, owing to an error of observation in regard to the wings. The example then examined was somewhat broken and it is now evident the wings had been removed. A recent dissection of a perfect specimen exhibits a welldeveloped pair of wings. This form is closely related to palustris (perhaps not more than a geographical variety), differing in the form of the thorax, which, instead of being conical, is much wider at middle than at base (subangulate); the rostrum is perhaps stouter and the mesosternum less elevated—both characters somewhat opinionative; there is no femoral tooth in any of the examples seen; the elytral intervals are less regular, either not obviously inequal or the first and third wider, the others narrower and some of them longitudinally sulcate along the middle; the strial punctuation is usually finer and closer, and the striæ seem to be acutely impressed when the elytra are perfectly denuded. In vestiture ornamentation and other characters the two forms seem identical.

Male.—Expands 1.50 inches. Upper side: Superiors tawny with a fuscous border a little more than one-eighth inch in width; there are from one to four small subapical tawny spots in the fuscous border; at end of cell a dark spot which may or may not be connected with the stigma; stigma rather more than an eighth inch in length, very narrow and unbroken, and extending to inner margin. Inferiors have the same fuscous border and tawny central area. Under side: Superiors with tawny central area and border same as upper side; there is a large triangular spot extending into the wing from the base. The tawny colour above this spot is of a darker hue than that below and outside of it. Inferiors very light brown, generally with four or five very faint tawny spots in the central area.