936 CALIFORNIA ACADEMY OF SCIENCES [Paoc. 4th Se*. 



203. Dialysis aldrichi Will. 

 Hood River, VI-12 (Cole) ; Wallowa, VI-8 (Creel). 



204. Triptotrichia discolor Loew 

 Forest Grove, VI-2 (Cole); Corvallis, V-1S (Lovett) ; 

 Mary's Peak. 



205. Triptotrichia lauta Loew 

 Corvallis, V and VI; Rock Creek, VII-14 (Lovett). 



206. Rhagio albibarbis (Bigot) 



Hood River, VI-2 and Forest Grove, V-17 (Cole). 



207. Rhagio costata (Loew) 

 Corvallis, VII-17; Forest Grove, VI-18 (Reeher); Cor- 

 vallis and Newport in May. 



208. Rhagio dimidiata (Loew) 



Dewey, V-29; Corvallis, V-28 and V-7 (Lovett) ; Forest 

 Grove, V-2 (Cole). 



209. Rhagio hoodiana (Bigot) 

 Described from Mt. Hood. 



210. Rhagio incisa (Loew) 

 Hood River, V- 16 and 21 (Cole) 



211. Rhagio maculifera (Bigot) 

 Forest Grove, VI-5 (Cole). 



212. Rhagio pruinosa (Bigot) 

 Described from Mt. Hood. 



213. Chrysopila 15 testaceipes Bigot 

 Hood River, VI-2 to VI-24 (Cole). Aldrich dct. 



214. Chrysopila tomentosa Bigot 

 Hood River, VI-2 to VII-5 (Cole). Aldrich det. 



iSOne species in this genus, fairly common at Hood River, is apparently 

 undescribed. 



