ART. 18. BEES IN THE NATIONAL MUSEUM- — COCKERELL. 3 



black and red ; first tAvo abdominal segments with very pale tawny 

 yellow hair, overlapping the third; third with black hair; fourth to 

 sixth with bright red ; venter with much rusty-black hair. 



Tagdumbash, Pamir, 13,000 feet, June 11, 1894 (W. L. Abbott). 



Type.— Cat No. 24879, U.S.N.M. 



This could be confused with B. hizonatus Smith, but the malar 

 space of the female is considerably shorter than in Smith's insect. 

 The paler wings and longer third antennal joint readily separate it 

 from B. tunicatiis Smith. From B. niveatus Kreichbaumer it is 

 known by the much shorter malar space. B. alticola Kriechbaumer 

 looks like abhotti, but has a considerably longer malar space. 



BOMBUS MASTRUCATUS STRAMINEUS Frie^se. 1909. 



Female. — Pognor La, Eupshu, Ladak, 16,000 feet, July 22, 1897 

 (W. L. Abbott). There is apparently more white hair on the thorax 

 posteriorly than in Friese's type. The mandibles are dentate. 



BOMBUS TSCHITSCHEEINII Radoszkowsky. 



This is a close relative or subspecies of B. melanurus Lepeletier, 

 with a broad black band between the wings. Dr. W. L. Abbott 

 obtained it in two localities. (1) Tagdumbash, Pamir, 13,000 feet, 

 June 14, 1894. Two females, of the full size of melanu7nis, but with 

 the light pubescence dull creamy-white instead of yellow. (2) Ooti, 

 Rupshu, Ladak, 15,500 feet, August 4, 1897. One female, hardly 

 20 mm. long, anterior wing 15.5 mm.; pale pubescence distinctly 

 ocherous. Two distinct races appear to be indicated, but more mate- 

 rial is desirable. Other species of Bombus reach very high altitudes 

 in the Himalayan region: thus B. 'nifofasciatus Smith, 12,500 feet; 

 B. -flavescens Smith, over 10,000 feet; B. miniatus Bingham, over 

 10,000 feet; B. fiavothoracicus Bingham. 12,500 feet; B. waltoni 

 Cockerell, 15,000-16,000 feet. 



BOMBUS ROBUSTUS HORTULANS Friese. 



Female. — Banos, Ecuador (F. Campos). The type locality for 

 hortulans. 



BOMBUS ATRIPES Sinitli. 



" S. W. pt. Hanan Prov., China " (L. R. Thompson) . Four fe- 

 males. The province is marked " Honan " on my map. A magnifi- 

 cent species, colored in the manner of Bombus morawitzi Radosz- 

 kowski, but the wings are dark fuliginous (pale in morawitzi) and 

 the malar space is much shorter. Smith described this and six other 

 Bombus from Chusan, but they probably came from more than one 

 locality, as he says : " Mr. Fortune informed me that all the BomJbi 

 were found on the top of hills in Cliusan and adjoining mainland." 



