May, 1920] Bees and Wasps 293 



Bombus Latreille. 

 Terrestris group. 



1. Bombus lucorum Linnaeus var. moderatus Cresson. 

 Kodiak, 2 9,4 y, and 13 d", Sept., 1917. Katmai, 1 9, 



June 10, 1919. Savonoski, 1 S , July, 1919. 



2. Bombus occidentalis Greene {B. proximus Ashmead; B. 



mckayi Ashmead). 



Seattle, Wash., 1 9 and 1 ^ of the typical form, May 25, 

 1919. 



All the Alaskan specimens in the collection belong to the 

 var. proximus Cresson: Katmai, 2 9 , 25 y , and 1 cf , Aug. 2, 

 1917; 1 9 , June 10, 1919. Excursion Inlet, 1 9 , May 31, 1919. 

 Savonoski, 7 ^ , July, 1919. 



Kirbyellus group. 



3. Bombus kirbyellus Curtis. 

 Katmai, 1 y , Aug., 1917. 



Pratorum group. 



4. Bombus melanopygus Nylander. 



Seattle, Wash., 1 d^ , May 25, 1919. Savonoski, 1 9 and 

 1 y , July, 1919. 



5. Bombus sylvicola Kirby. 



Katmai, 8 S and 1 cT, July 28, 1917, and Aug., 1917. 

 Savonoski, 1 S and 2 cf , July, 1919. 



G. Bombus gelidus Cresson. 



Kodiak, 1 9, Sept., 1917. Katmai, 2 ^ and 1 d", Aug., 

 1917. Valdez, 1 S , June 9, 1919. 



7. Bombus frigidus F. Smith (B. Couperi Ashmead). 

 Katmai, 1 9 and 4 y , Aug., 1917. Savonoski, 1 ^ , June 



^,1919. 



8. Bombus pleuralis Nylander {B. juxtus Ashmead). 

 Kodiak, 20 S and 1 d", Aug., 1917. Kodiak, 2 S, Sept., 



1917. Savonoski, 1 9 , July, 1919. 



•9. Bombus sitkensis Nylander {B. mixtuosus Ashmead; not 

 B. sitkensis Ashmead). 

 Seattle, Wash., 1 9,6 ^ , and 2 &, May 25, 1919. Katmai, 

 1 cf , Aug., 1917. 



