312 CALIFORNIA ACADEMY OF SCIENCES. 



Selenophorus palliatus Fab. Florida to Texas and 

 Arizona. San Jose del Cabo. 



Stenolophus ochropezus Say. Widely distributed 

 in the Atlantic region, Arizona and southern California. 

 San Jose del Cabo. 



Tachycellus nebulosus Lee. Texas, Baja Califor- 

 nia (Ulke). 



Tachycellus nitidus Dej. British Columbia south- 

 ward to Arizona. San Jose del Cabo and La Chuparosa. 

 This species occurs also in Mexico from Orizaba south- 

 ward, whence it is called ohsolctits Say. 



Bradycellus rupestris Say. Variable in color and 

 slightly in form. Known to me from every portion of 

 Boreal America, except Alaska and the Hudson Bay 

 region. La Chuparosa. 



Bradycellus rivalis Lee. Texas, Arizona, south- 

 ern California. San Esteban. 



Bradycellus cognatus Gyll. Oregon, Washington, 

 Utah, Colorado. San Pedro Martir. 



Anisotarsus flebilis Lee. Cabo San Lucas and San 

 Jose del Cabo. 



Anisotarsus brevicollis Chd. Southern Arizona. 

 Mexico from Coahuila to Jalapa. La Chuparosa. 



Anisotarsus mexicanus Dej. {Aiiisodactyliis ai-izoncp 

 Casey) extends from southern Arizona to Panama. El 

 Taste and San Francisquito. 



Anisodactylus consobrinus Lee. Widely distributed 

 in California, especially southward. San Pedro Martir. 



Anisodactylus porosus Mols. var. rudis Lee. From 

 northern California southward, Nevada, New Mexico. 

 San Pedro Martir. 



