the New Mexico Bees of the Geyius Bombus. 389 



Specimens from Washington State and Colorado, sent by 

 Mr. Fox as nevadensis. In New Mexico, especially at high 

 altiliules. Wliite Mts., at about 10,300 feet, at flowers of 

 Deljihinhim scojmlorum, several [Townsend) ; Soutli Fork, 

 Eagle Creek, Aug. 19, about 8300 feet, at flowers of Slcyos 

 parvifiorus, two [Townsend); North Fork, Ruidoso Creek, 

 Aug. 20, alt. 8200 feet, at flowers of Solidago tnuervata, 

 two {Tow7isend) ] Mescalero Agency [Otis); Las Vegas, 

 July, two, one at Cleome serrulata [Farter & CklL). 



Race aztecus, Ckll. 



? . — Abdomen with the first four segments yellow, seg- 

 ment 1 yellow at base ; black hairs in middle of thorax not 

 visible without a lens; pleura with the anterior half at least 

 yellow. 



Usually at lower altitudes than Cressoni. 



Length about 20 millim. 



Aztec, one [C. E. Mead)-, Las Vegas, one {W. Porter); 

 Beulah, May 30, at Verbena bipinnatijida, one [W. Porter) ; 

 Mescalero Agency, July 12, one (C M. Barber) ; half a 

 mile below forks of Ruidoso Creek, Aug. 28, one [Barber) ; 

 Rio Ruidoso, July 23-27, 6700-6900 feet, three at flowers of 

 Monarda stricta, one at Lupinus Sitgreavesii, one at Verbas- 

 cum thapsus {C. H. T. Townsend). 



Bombus improbuSj Cresson, 1878. 



Five (cJ) from South Fork, Eagle Creek, White Mts., 

 N. M., Aug. 20, about 8200 feet, flying swiftly to and fro 

 [Townsend). This is with little doubt the male of nevadensis. 

 One specimen was taken by Prof. Townsend on flowers of 

 Senecio Busbyi. 



Bombus Howardi^ Cresson, 1863. 



Beulah, May 30, Aug. 16 [W. Porter) ; Harvey's Ranch, 

 9600 feet, Aug. 22, 1899 [W. Porter); Monument Rock, 

 Santa Fd Canon, at Monarda and Rudbeckia (CklL). Rather 

 common. 



Bombus appositus, Cresson, 1878. 



Beulah, Aug. 16, at Polernonium cceruleum (W. Porter) ; 

 Harvey's Ranch, 9600 feet, Aug. 22 [Porter <& Ckll.) ; Monu- 

 ment Rock, Sta. Fd Canon, s^t Monarda [Ckll.) ; North Fork, 

 Ruidoso Creek, 8200 feet, Aug. 12, at Delphinium scopu- 

 lorum [Toivnscnd). The species is rather common at Beulah, 



