158 U. S. NATIONAL MUSEUM BULLETIN 212 



Onychelus phanus Chamberlin, 1941, Bull. Univ. Utah, biol. ser., vol. 6, 

 No. 5, p. 6, figs. 6, 7. (type locality: 6 miles west of Freeman, Kern 

 County, California; type: collection of R. V. Chamberlin). 



Type: Verhoeff collection. 



Type Locality: Walker's Pass, west of Freeman, Kern County, California. 



Range: Known only from Kern County, California. 



Genus PIEDOLUS Chamberlin 



Piedolus Chamberlin, 1930, Pan-Pacific Ent., vol. 6, p. 117. 

 Generotype: Piedolus utus Chamberlin, by original designation. 

 Range: Southern Utah. 

 Species: One. 



Piedolus utus Chamberlin 



Piedolus utus Chamberlin, 1930, Pan-Pacific Ent., vol. 6, p. 118, fig. 



Type: Collection of R. V. Chamberlin. 



Type Locauty : St. George, Washington County, Utah. 



Range: Known only from type locality. 



Cenus TIDOLUS Chamberlin 



Tidolus Chamberlin, 1949, Journ. Washington Acad. Sci., vol. 39, No. 5, 



p. 169. 

 Generotype: Atopetholus parvus Chamberlin, by original designation. 

 Range: Southern California. 

 Species: One. 



Tidolus parvus (Chamberlin) 



Atopetholus parvus Chamberlin, 1918, Proc. Biol. Soc. Washington, vol. 



31, p. 168. 

 Tidolus parvus Chamberlin, 1949, Journ. Washington Acad. Sci., vol. 39, 



p. 169. 

 Type: Mus. Comp. Zool. 



Type Locality: Claremont, Los Angeles County, California. 

 Range: Known only from type locality. 



Genus TOLTECOLUS Chamberlin 



ToUecolus Chamberlin, 1943, Bull. Univ. Utah, biol. ser., vol. 8, No. 3, 



p. 27. 

 Generotype: ToUecolus garcianus Chamberlin, by original designation. 

 Range: Texas, Chihuahua, Nuevo Leon. 

 Species : Three, one of which occurs in our area. 



Toltecolus parvunguis Hoffman 



ToUecolus parvunguis Hoffman, 1949, Chicago Acad. Sci. Nat. Hist. Misc. 



No. 46, p. 1, figs, a, b. 

 Type: U. S. Nat. Mus. (No. 1853). 



