236 bulletin: museum of comparative zoology. 



9 Black; abdomen with rufous above on apical part of the second seg- 

 ment and basal part of the third segment; wings brown; tips of the antennae 

 and the tarsi brown. General shape of P. marginatus. Third joint of an- 

 tennae elongate, much longer than fourth. Vertex, seen from in front, slightly 

 convex; hind ocelli about as close to eyes as to each other. Pronotum angu- 

 late behind. Legs rather strongly spined; inner spur of hind tibia about two 

 thirds of basitarsus. In the wings the marginal cell is nearly twice its length 

 from apex of wing; the second submarginal cell trapezoidal, with sides of 

 equal length, the third subtriangular, receiving the second recurrent vein 

 beyond the middle. 



Length 9 mm. 



Pompiloides clystera Banks. 



Calif.: Santa Cruz Island, 27 July, Lemoncove, Tulare Co., 9-11 

 July, Sugar Pine, Madera Co., 24-31 August, Jacintos Barranca, 

 near Coalinga, Fresno Co., 4 June, Sisson, 14 August, Coyote Creek, 

 Tulare Co., 26 June (Stanford Univ. Coll.). 



Pompiloides estellina Banks. 

 Calif.: San Diego Co., 24 May (E. P. Van Duzee). 



Pompiloides angularis Banks. 



Calif.: Ukiah, Mendocino Co., 30 September, Ingleside, 25 August, 

 Claremont. 



* Pompiloides elsinore, sp. nov. 



Tt/pe.— Cornell Univ. Coll. Paratype.— M. C. Z. 10,401. 

 B. Col.: Carbonate, Columbia River, 2,600 feet, 7-12 July 

 (Bradley). 



9 Black; head and venter with fine short hairs; clypeus truncate in 

 front, almost concave; faint line from antennae to anterior ocellus, hind ocelli 

 nearer to each other than to the eyes; antennae not very long, third joint 

 much longer than first, but barely longer than fourth, the second and third 

 together not as long as vertex width; vertex from in front nearly straight 

 across; pronotimi angulate behind; metanotum short, with a median groove; 



