400 HYMENOPTERA. 



57. BOMBUS CALIFORNICUS. B.M. 



Female. Length 10 lines. Black; the pubescence on the 

 head black, that on the thorax before the wings fulvo-ochraceous, 

 posteriorly and beneath black ; the legs black ; wings fuscous. 

 Abdomen, the pubescence black, except that on the fourth seg- 

 ment, which is yellow. 



Male. Length 5-6 lines. The pubescence as in the female, 

 differing only in having that on the face yellow. 



Hob. California. 



58. BOMBUS RUBICUNDUS. 



Female. Length 9 lines. Black ; the face clothed with 

 fulvous pubescence, the mouth very slightly produced, head sub- 

 rotundate ; the thorax and abdomen above densely clothed with 

 short rufo-fulvous pubescence ; the wings smoky ; the legs have 

 a black pubescence. 



This species closely resembles B. Dahlbomii, but that species 

 has an elongate face clothed with black pubescence. 



Hob. Columbia. 



59. BOMBUS ROBUSTUS. B.M. 



Female. Length 10 lines. Black ; the pubescence on the 

 head black, that on the thorax above orange-yellow, having a 

 black band between the wings ; the wings fuscous ; the legs 

 black. Abdomen, the three basal segments have a yellow pu- 

 bescence, that on the fourth is black, on the fifth and sixth it 

 is white. 



Hab. Columbia. 



60. BOMBUS FUNEBRIS. B.M. 



Female. Length 8 lines. Black; the pubescence on the 

 head black, that on the disk of the thorax snow-white ; the 

 wings fuscous ; the pubescence on the legs black, that on the 

 three basal segments of the abdomen black ; on the apical seg- 

 ments it is white. 



Hab. Quito. 



61. BOMBUS VIOLACEUS. B.M. 



Bombus violaceus, St. Farg. Hym. i. 473. 24 (type sp. in Coll. 

 Westw.). 



Hab. S. America (Monte Video) ; Brazil (Para). 



