promote the study of natural history in this country. It is rather a scarce insect, and approaches near to B. subinterruptus; but, as Kirby remarks, the wings are darker, the abdomen shorter and wider, with the black band much narrower; the red hairs of the anus of a deeper colour, and occupying three segments.
HARRIS' HUMBLE-BEE.
(BOMBUS HARRISELLUS.)
Plate XVIII. Fig. 1.
Apis Harrisella, Kirby's Monog. Ap. ii. 373, Pl. 18, fig. 8, fig. 7.
This species differs from all that we have hitherto described, in being wholly deep-black, the mouth alone with a few ferruginous hairs. The wings are slightly tinged with yellowish-brown, becoming somewhat obscure at the apex, the nervures blackish.
Found occasionally in the south of England; the male more frequently than the female.
BOMBUS GRANDIS.
Plate XVII. Fig. 2.
This figure represents the largest species of Bombus hitherto discovered, drawn by Mr. Westwood from a specimen in the collection of the Rev. F. W. Hope. It has not yet been described, and is known only by a figure in Guerin's Iconographie du Règne Animal, Insectes, Pl. 75, fig. 3. The whole upper side is a uniform fulvous colour; the region of the eyes, the mouth, and antennæ, black; the whole of the underside is likewise black, and the legs of the same colour; wings tinged with yellowish-brown; the
