304 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Se». 



677. Peleteria robusta (Wied.) 



Common at Corvallis, Forest Grove and Hood River, 

 V-19 to IX-29; Detroit and Grant's Pass. 



678. Peleteria tessellata (Fabr.) 

 Corvallis; Mt. Jefferson; Hood River (Cole and Childs). 



Collected from V-17 to IX-31. Aldrich says, "I name these 

 provisionally as Coquillett did, but this is a complex that 

 will have to be worked out by genitalic studies." 



679. Echinomyia^ 3 algens (Wied.) 

 Common in several localities in the Willamette Valley 

 from May to August. Collected on Mt. Jefferson and at 

 Seaside. 



680. Echinomyia dakotensis Towns. 

 Hood River, IX-4 (Cole) ; Mt. Jefferson, subalpine, VII. 



681. Echinomyia decisa (Walk.) 

 Mary's Peak, VI I- 18 (Lovett). 



682. Echinomyia hystricosa (Will.) 

 Corvallis. 



683. Epalpus bicolor (Will.) 

 Barton, VIII-22. 



684. Epalpus signiferus (Walk.) 



Corvallis, IV-26 to VII-4; Hood River, V-S to VI-24 

 (Cole). 



685. Bombyliomyia abrupta (Wied.) 

 Barton, VII-21. 



686. Jurinella soror (Will.) 

 Hood River, VI-5 (Cole). 



23 One species, occasionally taken at high altitudes and found in several 

 localities in the west is undescribed. 



