collected in Madeira and Tcnerifc. 217 



coloration and especially in the disposition of the black 

 hairs on the intermediate metatarsi ; these are arranged 

 much as in halcaricus, Freise, all being on the posterior 

 side of the joint. 



^ and 9 very similar in coloration ; black, tlie $ having a 

 triangular spot on the clypeus, sometimes a more or less extensive 

 spot on the labrum and a line on the front of the scape yellowish- 

 white ; in both sexes the hairs of the face are white intermixed with 

 black. The face in the $ is very broad, and the cheeks between the 

 eyes and mandibles very short, labrum clothed with silvery hairs. 

 The thorax is clothed with grey and black hairs intermixed above, 

 with nearly black hairs on the sides beneath the wings and with paler 

 hairs round the jaropodeum, abdomen clothed with greyish-white 

 hairs on the basal segment, with black hairs on the others, the 2nd, 

 3rd and 4th segments with a band of snowy-white rather long 

 hairs at the apex, slightly narrowed at the sides and broken in the 

 centre, legs clothed with black hairs, the intermediate and posterior 

 tibiae in both the ^ and $ with bright silvery hairs exteriorly and 

 the metatarsi of the same legs in the ,$ with silvery hairs at the 

 apex, intermediate metatarsi with a dense fan of black hairs on its 

 posterior side, in the $ tlie silvery hairs of the scopse have a some- 

 what golden tinge. 



Long. 12-13 mm. 



La Laguna, Tenerife. Hill-side on left-hand side of main 

 road to Tejuna, nesting in cavities of volcanic rock, altitude 

 about 2200 feet, males only. 



Tlie $ which I associate with this $ is from the collec- 

 tion of Mr. Morice taken in Tenerife, it very closely 

 resembles that sex of atroalba, but the face is wider, its 

 hairs are mixed Avith black, whereas in atroalba they are 

 all white. The hairs of the labrum are silvery and not 

 dull grey, and the bands of the abdomen are of much 

 longer hairs, 



BOMBUS HORTORUM, Linn. 



$ 1. Monte Funchal, Madeira, 17. ii. 02. 

 '■' In garden of Belmonte Hotel, visiting Azalea : nest 

 subterranean, common between 1450 — 1700 feet." Differs 

 only from the ordinary type in having the hairs of the 

 apical segments of a brownish tinge, and the hairs of the 

 scopse more or less reddish. 



^ 2 $ 3. Madeira. T. V. W. Similar to the above 

 in coloration. 



