172 Hevieiv of the American Bomhidce. 



ment, forming somewhat of a semioval, witli its base to tlie 

 thorax, and confluent with the color of the pleura. 

 Length less than half an inch. 



Habitat. — Mexico. 



8. Bombtis ternariiisi, 8ay. 



Say's Entom. Le Conte, p. 788, Vol. II. N. Y. 1860. Bailliere Bro. 



Head black ; thorax with dull yellowish hair and a blackish 

 band in the middle ; wings with a slightly yellowish tinge ; 

 nervures fuscous ; tergum fulvous on the second and third seg- 

 ments, first and fourth segments yellowish, rest black. 



Length three-fifths of an inch $ . 



Habitat. — Indiana. 



9. Boinbii§ Aiiiericanoruin, Fall>. Piez. No. 16\ 



Bombus Americain St. Farg. Hist. Nat. Hymenop. Vol. I. p. 472, 



Black, a large yellow band upon the front of the corselet. 

 Abdomen yellow above the base of the first, fourth, and fifth 

 segments, and the anus black. Legs and tarsi shaded with 

 blackish red, their hairs above black, below red ; wings brown- 

 ish with a violet reflection. 



Length 10 lines $ . 



Habitat. — Western America. 



lO. Bombus Hiintii, Greene. ^ (3) 



Head black and bare except in middle, which has a line of 

 yellow hairs extending from the mouth to the vertex. Corse- 

 let, anterior third covered with yellow hairs that extend quite 

 to sternum, a transverse black stripe covers the middle, having 

 its centre bare and shining, the posterior third yellow. First 



