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U. S. NATIONAL MUSEUM BULLETIN 216 



their diameter, otherwise smooth; temple with fine punctures that 

 are separated by about 1.5 their diameter, below its middle with 

 vertical rugulosity or irregular striae; thorax about 2.6 as long as 

 high, its mesoscutum and scutellum moderately convex; mesoscutum 

 subpolished, with moderate sized, sharp punctures that are separated 

 by about their diameter, the mesoscutum a little rugulose along the 

 notauli or sometimes more or less of the central part of mesoscutum 

 strongly rugulose; mesosternum and mesopleurum subpolished, with 

 moderately sharp punctures that are separated by about 1.5 their 

 diameter; areola regularly pentagonal, its basal corner closed; first 

 tergite 2.4 as long as wide in male, about 1.75 as long as wide in 

 female ; first four tergites strongly and rather evenly mat, their apical 

 margin a little smoother; median longitudinal carinae of first tergite 

 distinct on basal 0.15 to 0.3 of the tergite. 



Blackish brown. Clypeus, labrum, mandible, palpi, scape, pedicel, 

 and tegula, brown; front and middle legs of male beyond trochanters 

 and hind femur of male fulvous brown, the rest of legs of male dark 

 brown with the hind tibia a little paler basally and at apex; front 

 and middle legs of female brownish fulvous, their coxae a little darker; 

 hind leg of female fulvous brown, the coxa and tibia dark brown 

 with the tibia a little paler at apex and basally. 



Figures 238, 239.— Localities: 238 (left), Xorides medius; 239 (right), X. eastoni. 



Type: 9, Moscow, Idaho, July 14, 1898, C. V. Piper (Washington, 

 USNM 63735). 



Paratypes: 9, Fort Seward, Calif., June 3, 1935, H. J. Rayner 

 (Townes). 9, Siskiyou Co., Calif., May 29, 1911, F. W. Nunnen- 

 macher (Washington), cf, Paradise Ridge at 3,000 ft., Moscow, 

 Idaho, May 30, 1931, Paul Rice (Townes). 



