banks: PSAMMOC II AUIDAE. 233 



mcnts before the tip have dense brushes of erect hair; the ventral plate Ls 

 densely clothed with short hairs, and without the prominent carina of P. 

 scelestv^. 



Length 9 , 9 mm. 



PSAMMOCHARES SCELESTUS (CreSSOn). 



Washington (Kincaid); Calif.: Sequoia National Park, 21-25 

 July, Los Gatos Divide to ]Mt. Diabolo, 6-8 June, Lemoncove, 

 Tulare Co., 9 July, IVIesa Grande, Russian River, 30 September, 

 Harris, Humboldt Co., 29 June, Three Rivers, Tulare Co., 16 July, 

 Ingleside, 25 August. 



PsAMMOCHARES BELLicosus Banks. 



Calif.: Claremont, Harris, Humboldt Co., 29 June; Wash.: Ains- 

 worth. Camp Umatilla, Yakima River, Wenas Valley, June, July, 



18S2. 



Ax OP LI us. 



9 



1. Claw with tooth sloping toward tip of the claw, tliird joint of antennae very 



long; third submarginal cell not petiolate sdkirkensis. 



Claw with an erect tooth, smaller 2 



2. Third submarginal cell petiolate; abdomen elongate compactus. 



Third cell not petiolate 3 



3. Fourth joint of hind tarsus nearly as long as the fifth, latter much shorter 



than the third tarsatius. 



Fourth joint of hind tarsus plainly shorter than fifth, which is subequal 

 to the third luctuosus. 



1. Third submarginal cell petiolate, the abdomen more elongate, .compactus. 

 Third cell not petiolate 2 



2. The ventral plate with the carina of even height throughout or nearly so. 



selkirkensis. 



The ventral plate with the carina very strong on basal part, and then 



suddenlj" sloping behind luctuosus. 



