BOMBYX. (Dentigeei. Dentata.)

Zool. Dan. X378 .—Allitis Ins. 49. a. — Roesel. cl. 2. 28.—Srpp. Ins. v. 1. 10. 11.

Habitat frequens Larva in Quercu, m. Mai. f. Sept. Imtgti. Mai. i. .-\ug. Quercetis.

Expansio alarum M. 1 unc. 7 lin. F- 1 unc. 9 lin.

Descriptio. Larva nuda viiescens, corniculis duobus cauda*libus stigmatibus purpureis. Fab.

Puppa. folliculata, antice brunnea, postice fulva. Fab.

Imago. Maris antenna minus pectinata quam in plurimis,ferrugine® ; Palpi nigri ; Thorax cristatus ferrugineus.Abdomen et ala postica integr® rufescentes, fimbria satura-tiore. Ala antica denticulata, basi striga tenuissima undatanigra, alteraque ante medium, et rudimentum tertia versu»marginem posticum, ad costam : pone hanc puncta 4 costa-lia et striga pallescens obliqua at valde obsoleta. Denticulialarum dorso fusca sunt. Fem : na magis ferruginea. An-tenna omnino setacea. Palpi ferruginei nec nigri: striganigras obliterata sunt. Ala postica albicantes, fimbria ve-nisque rufescentibus.

B. D. (The Maple Prominent) Alis dorso unidentatis ochra-ceis, limbo postico cinereo.

. B. Cuculla Donov. Br. Ins. 338. 1.— AI bin's Ins. 49. c. d. f

Habitat in Anglia rarissime. Larva in Acere campestre etforte in Quercu. Imago f. Jul. Quercu.

Expansio alarum M. 1 unc. j lin. F. 1 unc. 7 lin.

Descriptio. Antenna ferruginea minime pectinat® in maretin femina omnino setacea. Thorax valde cristatus. Cristaet caput et abdomen ochracea. Ala antica costa a basi postmedium late ochracea, limbo postico cinereo utroque lineaundulata albida obsoleta inducta et lineolis tribus atris distan-tibus intersecta, apice ceteraque parte ala griseo ferrugineis,ciliis pallidis ochraceo maculatis. Dens ala validus ater.Ala postica grisea immaculata. Femina mari simillima, atmajor ut in affinibus.

Obs. The above description was taken from a fine pair ofGerman specimens in the Aurelian cabinet. 1 have only seenthree which have really been taken in England—one in thecollection of my friend Mr. Francillon, and two in that of anold collector of the name of Cabricre, whose cabinet is nowin the possession of Mr. Hook.

Obs. 2. Since the above was written, my friend Mr. Hatchettof Kingsland (a very acute and assiduous Aurelian) haftaken two specimens, one of each sex, of this rare and fineO species.

Cucullus .22.

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