2.50 
HUMBLE-BEES. 
promote the study of natural history in this country. 
It is rather a scarce insect, and approaches near to 
B. subinterruptus ; hut, 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 seg- 
ments. 
HARRIS’ HUMBLE-BEE. 
(BOM DUS HA11RISELLUS.\ 
Plate XVIII. Fig. 1. 
Apis Harrisella, Kirby's Munoy. Ap.W. 373, P1.18,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 some- 
what obscure at the apex, the nervures blackish. 
Found occasionally in the south of England; the 
male mere 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 Regnc Animal, 
Insectes, PI. 75, fig. 3. The whole upper side is 
a uniform fulvous colour ; the region of the eyes, 
the mouth, and antenme, black ; the whole of the 
underside is likewise black, and the legs of the same 
colour ; wings tinged with yellowish-brown ; the 
