The species of Lepyrus in North America have not heretofore been well understood. The genus has recently been treated monographically by an American writer, several forms being described for the first time: one of these has since been discovered to be identical with the European capucinus, Schall, and geminatus, Say, to be palustris, Scop.

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.

Eyes bare, arista plumose, scutellum with long hairs on the margin, third antennal joint very large, bright yellowish-red. Legs black.

Male.—Front prominent, opaque, strongly sulcate medially, very indistinctly punctulate, long black pilose. Face shining black, pollinose on the sides and pilose on orbital margin below; below the antennæ deeply concave to the tip of the tubercle, thence gently concave to the epistoma. Tubercle projecting somewhat beyond the base of the third antennal joint, round. Cheeks shining, sparsely whitish pilose. Ocellar area black pilose.

In the course of identifying the Culicidæ in the National Museum collection and those received by Mr. L. O. Howard from various correspondents, for mention in a paper which he is about to publish, entitled, “Notes on the Life-history of Culex pungens, with remarks about other Mosquitoes,” three forms were met with which elearly represent new species; and as Mr. Howard desires to exclude all matter of a purely technical nature from his paper, it was deemed abvisable to publish the new species in one of our scientific periodicals.

In the following list 283 species are enumerated, 34 not determined specifically, and there are 8 species unknown, making a total of 325 species. I am much indebted to Mr. W. H. Harrington for his very great kindness and valued assistance in identifying these insects.

Liparocephalus cordicollis, Lec.—This species does not differ in any way from L. brevipennis, Mæk., except in its pale colour, and the two forms must be united, as intimated in a former paper (Can. Ent., XXIV., 158). Since the publication of that paper more than thirty examples of brevipennis and several of cordicollis have been examined and compared. Apart from colour, not a single character of general applicability has been observed by which to separate them into species. The synoptic characters given by Capt. Casey (Ann. N. Y. Acad. Sci., VII., 354) are without value otherwise than as descriptions of those of some individuals. When a sufficient number of each form is present, all the elements, without exception, tabulated by him to differentiate cordicollis exist in examples of brevipennis, and the reverse.

Most of the members of this tribe are of at least moderate size, and are often quite ornately coloured. In form they are usually robust and convex, while lacking the rotundity of the Cryptocephalini. The genera of Eastern Canada may be arranged thus, the characters used being in the main drawn from the Leconte and Horn “Classification”:—

A. Anterior coxal cavities closed, metasternum long; reddish-yellow above, with black stripes. Entomoscelis.

Aleurodicus Dugesii, n. sp.—Length, 1⅔ mm.; length of anterior wing, 2¼ mm.; its greatest breadth nearly 1½ mm. Pale grayish-ochreous, covered with while meal, abdomen beneath shining silvery. Wings white; upper wings iridescent, with markings similar to those of A. ornatus, but very pale gray and quite different in detail. There are four gray bands crossing the wings, of which only the third and fourth are joined by a longitudinal band. The first (basal) band bends abruptly inwards after crossing the main nervure, which branches so near the base of the wing that there are practically two nervures, the first gray band failing in the angle between them, but strong again beyond the second. Second gray band broad as far as the first nervure, just beyond it interrupted broadly, but continued as a large, nearly circular, gray patch, the greater part of which is above the second nervure, and passing thence as an oblique narrow band to the margin.

The determined and energetic fight carried on by the miller, the entomologist, and the Local Government in 1889, to stamp out this destructive mill pest in Ontario, is too fresh in the memory of those who witnessed that outbreak to warrant a repetition of the particulars. Suffice it to say that the flour moth is still very abundant in certain Canadian mills. I have received it recently in flour sent me direct from a milling firm in Valleyfield, Quebec, with an urgent appeal for help. The mill has been obliged to shut down several times during the present year to clean out the enormous accumulations of matted flour and webs in the spouts and elevator legs. The mill is a new one and has been running a very short time. It is said the pest came from a neighboring firm. My experience with this moth in California and other places convinces me that it is the worst pest millers have to combat, and this note should be a signal warning to all those interested in the milling business. I have also recently discovered the same pest in Southwestern New York State, where it has done considerable mischief this year, and is still spreading. It has occasioned much loss on the Pacific Coast also the present season. If something is not done to arrest and destroy thisadvancing enemy in the United States and Canada, I predict very serious results to the milling industries of both countries.

Mr. Grote's remark (Can. Ent., XXVIII., p. 294) that the stinging spines of Hemileuca and Automeris mar have been separately evolved is not in accordance with my views, and I wish to compare his genealogical tree of the Saturnians with the larval characters more at length than was possible in the review of his paper, “Die Saturniideu.” I reproduce first his tree: At I there is a dichotomous division, the genera on the right having vein IV2 in the middle of the cell or but slightly moved (generalized); those on the left with vein IV2 considerably moved toward IV1. It is not proved that this movement of IV2 took place only once in the Saturnians, but it is so assumed, and the construction of the tree depends upon the assumption.

Belonging to Division II., group two of the genus as given in my Preliminary Studies. Nearest sciurorum.

Head without combs of spines, in the female normal, highest at the occiput, gradually sloping forward, then rapidly curved in front, anterior edge of face nearly perpendicular, but rounded; head in male flat above or slightly concave, strongly rounded in front, the anterior edge of the face slightly receding. Bristles on head few, these being on both sides of the antennal groove and on the occiput. Antennal groove open, bristles on joint 2 short. Mandibles equalling or slightly exceeding the fore coxæ. Pronotal comb of twenty-two spines.

All of the following species occur in the town of Webster, about ten miles north-west of Concord:—

Carterocephalus Mandan, Edw.—This is one of the rarest species in this section. It occurs in but one locality—a grassy bank by the roadside. Middle of June.

Ancyloxypha Numitor, Fab.—Common around very wet, grassy swamps in June and again in August.

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.

♂. Length, 8.5–10 mm.; of anterior wings, about 6–7 mm. Black with bright yellow markings. Head nearly quadrate, a little wider than high, closely and finely punctate. Eyes entire, elongate oval, inner margins parallel, inclined to light olive green. Ocelli in a triangle, the first a little larger than the last two, and located at the base of a slight cavity. A small cavity back and on the outer side of each of hind ocelli. Head covered with a sparse growth of long whitish pubescence, becoming thicker on face and back of eyes. Clypeus yellow and rounded, with two distinct lobes, each just inside of an imaginary line drawn straight down from base of antennæ, also a small but less distinct lobe between these two, very slightly blackened between, and including lobes. Mandibles yellow outwardly, rufous tipped.

The two following descriptions were intended to be included in articles discussing at some length the Nomada, spp , of New Mexico, and certain Mutillidæ; but poor health having caused these to be indefinitely postponed, the descriptions are presented herewith.

The above family is of immense extent and attains, in the tropics, a considerable development in the size of its members, though not equalling in this respect its wood-eating neighbours, the Cerambycidæ. Towards the north, many groups fade out entirely and the large or gaily-coloured species decrease in number. Nevertheless, the representation in Canada is quite considerable, and since many of the species are closely allied and separate with some difficulty, while tables of genera are widely scattered, or, in many cases, not readily accessible, it has been deemed worth while to bring together the salient characters by means of which the collector in Eastern Canada may hope to identify his captures.