PROCEEDINGS OF THE NATIOXAL MUSEUM. 



*angelanim Trrus, 1906. Los Angeles County, California (Coquillett). 



Female 9| mm.; markings deep yellow, scopa very white, sixth abdominal seg- 

 ment with large yellow spots. 



Type.— Cat. No. 9034, U.S.N.M. 

 *astragali Swenk, 1913. Bad Lands at mouth of Monroe canyon, Sioux County, 



Nebraska. (M. Cary). Tab. 6. 



Paratype.— Cat. No. 15259, U.S.N.M. 

 atrlfrons Cresson, 1868. New Mexico (S. Lewis). 



Same as emarginatum. 

 atriventre Cresson, 1878. California (Hy. Edwards). Tab. 3. 



Female with ventral scopa and hair of face fuscous or black, 

 atriventre Smith. 1S79. Orizaba, Mexico. 



Name preoccupied: ^=orizabx. 

 aztecum Cresson, 1878. Mexico (Sumichrast). Tab. 4. 



Allied to cognatum. 

 *banningense Cockerell. 1904. Banning, California (Davidson). Tab. 1. 



Male 14J mm. 

 *bernardinum. Cockerell, 1904. Strawberry Valley, California (Davidson). Tab. 1. 



Male about 14 mm.; allied to A. pecosense. 



Paratype.— Cat. No. 13666, U.S.N.M. 

 *bernar(iinum aridum Cockerell, 1904. Rock Creek, California (Davidson). Tab. 1. 



Scape of male yellow in front. 

 *bernardinuin fragariellum Cockerell, 1904. Strawberry Valley, California (David- 

 son). Tab. 1. 



Scape of male all black, 

 bernardinum wilsoni Cockerell, 1904. Mount Wilson, California (Davidson). Tab. 1. 



Male about 11 mm. 

 blanditum Cresson, 1879. Nevada (Morrison). Tab. 2, 3. 



Coxae and trochanters (female) all black. 

 blanditum praedentatum Cockerell, 1907. Boulder, Colorado (G. Hite). Tab. 5. 



Known (female) from A. montivagum and A. porterx by the bright lemon-yellow 

 sixth abdominal segment, its margin evidently notched in the middle, and the 

 elongated marks over the eyes. Referred later to A. placitum as a variety. 

 californicum Cresson, 1879. California (H. Edwards). Tab. 1, 3. 



Fowler describes the female from Berkeley and Redlands, California. Fox describes 

 a variety from Lower California. 

 clypeodentatum Swenk, 1913. Sioux county, Nebraska. Tab. 6. 

 *cognatum Cresson, 1878. Georgia (Morrison). Tab. 3. 



Characters: Trans. Amer. Ent. Soc, vol. 29, p. 175. IlUnois (Robertson), 

 compactum Provancher, 1896. Los Angeles, California (Coquillett). 



Name preoccupied: =collectuin. 

 conspicuum Cresson, 1879. Nevada (Morrison). Tab. 3, 5. 



Male: Entom. News, 1909, p. 262. 



Also in Colorado. 

 collectTim HuARD, 1896. Tab. 1, 3. 



Allied to A. emarginatum; see Bull. Southern California Acad. Sci., May 1904, p. 73. 



New name for A. compactum. 

 coUectum ultrapictum Cockerell, 1904. Tehachapi, California (Davidson). 



Male a little larger; scape with a yellow stripe; abdominal bands very bright yellow, 

 only that on first segment divided into four spots. 

 crassipes Cresson, 1878. Florida (Tatnall). Tab. 3. 



Ventral scopa yellowish ; legs very robust. 

 edwardsii Cresson, 1878. California (Hy. Edwards). Tab. 3. 



Dorsal hair of head and thorax dense and fulvous. 



