the Neio Mexico Bees of the Genus Bombus. 391 



narrowed much less than half to marginal. Spurs dark 

 ferruginous. Malar space about twice as broad as long. 

 The pleura may be all yellow. Abdomen rather long and 

 narrow. 



Ilah. Las Vegas, N. M., Aug. 11, 1899, at flowers of 

 Petalostemon Candidas, two examples ( W. Porter^. 



This is apparently a slight variety of B. scutellaris, Cresson. 

 B. affinis, Cress., from Massachusetts, is also a very similar 

 insect, but differs by having the second abdominal segment 

 mostly pale seal-brown or rufo-fulvous. 



Bombus prunellcBf Ckll., sp. n. (vel Edwardsii, subsp.). 



$ . — Length about 18 millim.; broad, 6i millim. between 

 wings; breadth of abdomen 9 millim. ; length of anterior 

 wing 15 millim. 



Pubescence moderately loose and long, black and pale 

 canary-yellow ; clypeus shining, very sparsely punctured ; 

 lower sides of face, surrounding clypeus, with black hair ; 

 middle of face about antennje with yellow hair ; occiput with 

 yellow hair, bordered in front with black ; a patch of yellow 

 in the middle of the vertex above the ocelli ; cheeks with 

 black hair ; thorax with yellow hair above and beneath, 

 except a large transversely oval patch between the wings, 

 where it is black ; legs with black hair, more or less light 

 fulvous on the tarsi ; abdomen with yellow hair on segments 

 1 and 2, black on 8 except at extreme sides, yellow on 4 and 

 5, and black at apex ; wings dusky, third submarginal cell 

 narrowed about one half to marginal. 



^ . — Length about 12 millim. 



Coloured like the female, but the yellow is not so bright 

 and the black is more suffused, and the third and fourth abdo- 

 minal segments are black. 1 he pubescence of the head is 

 long and almost all black, and there are black hairs all over 

 the mesothorax and scutellum, mixing with the yellow towards 

 the sides. First joint of labial pal[)us 3250 /a, second 1000 /x. 

 $ , var. — The black invading the sides of the second abdo- 

 minal segment. (Beulah.) 



? , var. — The black covering the fourth segment as well 

 as the third. (Rio Kuidoso.) 



Hah. Beulah, N. M., 1 ? , May 30, 2 ^, Aug. 18 (IF. For- 

 ter) ; Rio Ruidoso, White Mts., N. J\[., 6500-8200 feet, July 

 and August, 4 ? , 60 ^ , at flowers of Monarda stri'cta, Ver- 

 bena stricta, iSolidago tnnervata, Prunella vulgaris, Potentilla 

 T/iurberi, Rhus glabra, Sicyos j>arviJlorus, Geranium atro- 

 jmrjmreum, Vicia J^car pulchella, (ommelina dianthifolia, and 



