HENRY J. FRANKLIN. 443 



specimens, one of them a cotype of iridis Ckll., from Montana and 

 New Mexico. 



Color Variant 4. — Queen and worker like Color Variant 3, but with 

 the second dorsal abdominal segment, except the yellow basal middle, 

 and the third dorsal segment entirely covered with ferruginous pile. 

 Many specimens from Montana, Colorado and New Mexico. 



Color Variant 5. — Queen like that of Color Variant 4, but with the 

 first dorsal abdominal segment and the basal middle of the second 

 also entirely ferruginous, thus making the three basal dorsal abdominal 

 segments entirely ferruginous. Two specimens from Montana. 



Color Variant 6. — (Most of the workers of Putnam's " Bridport, 

 Vermont," nest and many queens and workers from Ottawa, Wiscon- 

 sin and Montana). Queen and worker like those of Color Variant 4, 

 but with the fourth dorsal abdominal segment entirely ferruginous, 

 and the fifth entirely black or with touches of ferruginous on the sides. 

 (Some of the workers of the Bridport nest have the fifth segment with 

 more or less yellow pile, and the queen has the apical part of the fourth 

 segment with some yellow pile). 



Color Variant 7. — {B. prunellce Ckll.). Queen and worker like the 

 typical form, but with face bearing a more or less noticeable amount 

 of yellow pile, pleura yellow to bases of legs, second dorsal abdominal 

 segment entirely covered with yellow, fifth segment entirely yellow 

 and hind trochanters and femora bearing considerable yellow pile. 

 Many specimens, from Colorado and New Mexico. 



Male Color Variant 1. — Like the typical form described above, but 

 with the fourth dorsal abdominal segment yellow instead of ferrugin- 

 ous. Many specimens, from Montana, Ottawa and New Mexico. 



Male Color Variant 2. — Like the typical form, but with the seventh 

 dorsal abdominal segment entirely clothed with ferruginous pile. 

 Several specimens from Montana. 



Male Color Variant 3 . — The typical form described above. Several 

 specimens from Montana and Kansas. 



Male Color Variant 4. — Like the typical form, but with all the dorsal 

 abdominal segments after the first two entirely covered with ferrugin- 

 ous pile. Many specimens, from Ottawa, Montana and Colorado. 



Male Color Variants. — Like the typical form, but with the dorsum 

 of the abdomen mostly yellow, sometimes with slight touches of black 

 or ferruginous on the apical half. Many specimens, from Arizona, 

 Washington, Montana and New York. 



Male Color Variant 6. — Like the typical form, but with all the dorsal 

 abdominal segments after the first two entirely black. A few speci- 

 mens from Montana and New York. 



Male Color Variant 7. — Like the typical form, but with the fourth 

 dorsal abdominal segment yellow, and the fifth, sixth and seventh 

 light ferruginous. A single specimen from Fort MacLeod, British 

 Columbia. 



TRANS. AM. ENT. SOC, XXXVIII. 



