20 
Psych e 
[Mar. 
at tip, latter somewhat rounded, wider at base, at widest 
part (above middle) it is twice as wide as at tip, bordered 
with yellow fringe. 
Length 10.5 mm. 
From Colton, Calif. (Pilate), Eddy Collection, and 
mountains near Claremont (Baker). Type M.C.Z. no. 
23542. One specimen has the sternum yellowish, and one 
has a reddish mark on the mesonotum. 
Cerceris calif ornica Cress. 
Cresson, Proc. Ent. Soc. Pliila., 5 : 128, 1865. 
Described from a male, possibly related to C. denti- 
cularis. But the legs brownish at base, four anterior 
femora ferruginous, posterior pair rufopiceous, tibiae and 
base of tarsi yellow, is not like denticularis , nor is the 
unusually small first segment tinged with ferruginous at 
tip. 
Cerceris denticularis Bks. 
Banks, Bull. Mus. Comp. Zook, 51 : 113, 1917. 
Specimens from Umatilla, Oregon, and Yakima and 
Spokane, Wash. 
Cerceris postieata Bks. 
Banks, Ent. News, 1916, 64. 
Described from the Jemez Mts., New Mexico (Wood- 
gate). 
Cerceris vicina Cress. 
Cresson, Proc. Ent. Soc. Phila., 5 : 120, 1865. 
Male from Raton Pass, New Mexico, 26 July (James). 
Cerceris nasica V. & C. 
Viereck and Cockerell, Jour. N. Y. Ent. Soc., 12: 132, 
1904. 
Jemez Springs, New Mexico, 2 July (Englehardt) ; 29 
June, 2 July (Woodgate). 
Cerceris athene sp. nov. 
Female. Black; clypeus and bases of mandibles rather 
rufous, sides of face yellow, back of eyes, also somewhat 
rufous, a yellow spot near upper end of eye; on vertex 
