934 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



191. Tabanus lineola Fabr. 



Hood River, VII- 17 (Childs) and VI-25 (Cole). 



192. Tabanus opacus Coq. 

 Whitman Nat. Forest, VIM 8 (Chamberlin). 



193. Tabanus osburni Hine 



Large series from Whitman Nat. Forest, June and July 

 (Chamberlin); Corvallis. Hine det. 



194. Tabanus phaenops O. S. 

 Corvallis, V-30; Whitman Nat. Forest, VII-14 (Cham- 

 berlin). 



195. Tabanus procyon O. S. 



Corvallis, V-29; Dee, VI- 17 (Cole). This species is ap- 

 parently rare in the northwest. Osten Sacken in his descrip- 

 tion in "Western Diptera" does not mention the long, black 

 pile on the under and outer side of the femora, and the long, 

 rather sparse, black pile on the tibiae. The third antennal 

 joint has scarcely any basal projection. Cole det. 



196. Tabanus punctifer O. S. 



Crooked River, VII-23; Mt. Jefferson, VIII-14 (Lovett) ; 

 Corvallis, VII-22. 



197. Tabanus rhombicus O. S. 

 Horse Lake, VII-25 (Bridwell). Hine det. 



198. Tabanus sequax Will. 

 Hood River, VIM (Childs) ; Mt. Jefferson, VII-6 (Brid- 

 well) and VIII-14 (Lovett); Mary's Peak, VIM4 

 (Lovett). Hine det. 



199. Tabanus sonomensis O. S. 

 Whitman Nat. Forest, VII-14 (Chamberlin); Wilson 

 River, VIII-6 (Reeher). 



200. Tabanus zonalis Kirby 

 Three Sisters, VI 1-20 (Bridwell) ; Corvallis, V-20. Cole 

 det. 



