Egg.—Flattened-globular or button-shaped, sometimes with an impressed spot in the centre of the upper side ; upper part grooved, grooves narrow, interspaces roughened ; milky white ; transverse diameter about ½ m. m.

Larva.—First stage : Body deep green, two dorsal, a subdorsal and stigmatal white line, the latter the most distinct ; piliferous spots green, usually tipped with black, each bearing a short black hair; venter deep green, unmarked; head pale green. Provided with only 12 legs.

Mamestra trifolii, Esp.

Length when full grown 1.10 inches. In shape and appearance very much like the larvæ of Agrotis lubricans. Color uniforn grass green marked as follows : a rather broad substigmatal line of creamy white, having at times a slightly pinkish tinge ; a dorsal line of dark green. There is no trace of a subdorsal line except that the place of that line is a very little lighter on the first three joints when the larva is crawling. Stigmata narrowly edged with black. Head rather small, a little paler than the body. Piliferous spots very small.

As elsewhere stated, the species formerly described by me as Gracilaria purpuriella is G. stigmatella Fabr. In the Natural History of the Tineina, vol. viii., p. 35, Mr. Stainton gives the following account of it: “The larva feeds in and upon willows, sallows and poplars. On the white poplar I have had an opportunity of observing the mine of the young larva, which is a small blotch not very unlike the mine of a Lithocoletis larva. (Italics my own.)

Mr. W. H. Edwards' Limenitis Eros published in the Dec. (1880) No. of Can. Ent., p. 246–251, is the same insect described by myself two years since in the Synonymical Catalogue, p. 143, as follows : Limenitis Misippus “var. a. Floridensis, nob.—The form found in Florida and other parts of the extreme south. Whilst our more northern form is of the same color as Danais Plexippus, this southern variety exactly mimics in its dark coloration Danais Berenice, with which it associates.”

For several years I have had in my collection, among other undetermined specimens of Bombycidæ, a species of Packardia which did not seem to agree with any of the published descriptions that were accessible to me. Mr. Grote, to whom I lately submitted the specimen, kindly informs me that it is as yet undescribed.

In the light of Professor Riley's recent criticism (American Entomologist, December, 1880,) upon my conclusion that Antigaster Walsh is synonymous with Eupelmus Dalm., I have gone over the ground again with his objections before me, and still adhere to my original view. The objections may be summed up as follows :

1st. Antigaster has 10-jointed antennæ ; Eypelmus (according to Westwood) has 13.

Botis lethalis, n. s.

Allied to atropurpuralis. Fore wings purply brown to the exterior line, which is distinct, nearly straight, a little bent submedially, dark brown followed by a whitish coincident shade tine. Subterminal space pale brown, shaded with whitish. A terminal whitish shade before the broken terminal line.

The summer of 1879 was quite warm and dry in Utah as well as California. This was very disastrous to the larvæ of S. Gloveri, which, it is well known, feed on the willows in Utah growing in or near swamps or near creeks in canons.

I. Cecidomyia spec. on Aristolochia sipho.

Flat rounded galls on the under side of the leaves, pale, somewhat transparent, pale greenish, 4 mil. diam. On the upper side of the leaf the gall becomes a slightly elevated disk marked with dark red and having in the middle a small pale-bordered hole. The galls grow larger and more globular on the stems of the leaves, to globes of 8 mil. diam., some more elongated, 18 mil. long and 8 mil. broad. The larvæ are brick red, 3 mil. long, very agile. I find no species on Aristolochia described by Osten Sacken and others.

I obtained, June 16, 1880, from the trunk of a Populus candicans, at Buffa1o, N. Y., two larvæ which proved to be those of C. unijuga. They had passed their last moult when taken ; although they continued to feed in confinement for five or six days they increased in size but little during that time; their habits are strictiy nocturnal.