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



Female : Specimen of what is taken as the female of this 

 species, in poor condition, has labrum, teguke, and extreme angles 

 of pronotum pale, the pale markings of legs are lighter colored ; 

 saw-guides stout, dorsal margin straight, ventral and caudal 

 margins continuously uniformly convex, forming a blunt point 

 with the dorsal margin, setiferous. Length, 4 mm. 



Holotype, male, No. 824, Mus. Calif. Acad. Sci. ; collected 

 by G. Dallas Hanna, June 30, 1920. 



Type locality, St. George Island, Alaska. 



4. Pontania sublorata MacGillivray, new species 



Male : Head polished, dull, not punctulate ; clypeus narrowly 

 broadly emarginate, emargination rounded, clypeal lobes broad 

 and rounded ; labrum as broad as long, rounded ; antennal fur- 

 rows broadly interrupted, dorsal and ventral portions deep, dis- 

 tinct ; ocellar and interocellar furrows wanting ; postocellar area 

 not elevated, not limited except by antennal furrows ; frontal 

 crest not prominent, not broken, hardly raised above surrounding 

 surface ; pentagonal outline distinguishable, not prominent ; ocel- 

 lar basin depressed, irregular ; median fovea broad, shallow, oval 

 depression, not prominent ; supraclypeal area not prominent ; 

 antennae with fourth segment very slightly longer than third and 

 fifth, segments roughened and densely finely setiferous ; mesono- 

 tum polished, the median lobe and the cephalic half of each lateral 

 lobe finely punctured ; mesoscutellum polished ; mesopleurae pol- 

 ished, dull ; claws cleft, inner ray not one-half the length of 

 outer ; wings hyaline, veins pale, costa and veins brownish ; body 

 black with the following parts brownish : margin of clypeus. 

 labrum, spot at corners of compound eyes, sometimes indistinct, 

 distal ends of femora, tibiae, and tarsi, metatibiae more or less 

 infuscated, and caudal tergum and sternum of abdomen. 



Holotype, male, No. 825, Mus. Calif. Acad. Sci. ; collected 

 by G. Dallas Hanna, June 30, 1920. 



Type locality, St. George Island, Alaska. 



5. Pachynematus venustus MacGillivray, new species 



Male : Head not punctured, dull, very sparsely roughened ; 

 clypeus polished, very broadly shallowly emarginate, clypeal lobes 

 broad, angles rounded ; labrum polished, rounded ; antennal fur- 

 rows broad deep depressions, traceable from the pretentorinas 

 to occiput, narrow and deep near ocelli, convergent from middle 

 of length to occiput ; ocellar furrow broad and shallow, connected 

 with but elevated above the antennal furrows ; interocellar fur- 

 row an inconspicuous broad puncture ; ocellar areas not strongly 



