1919] Calijornian Species of Malthodes 33 



Table of Species. 



1. Seventh ventral segment of male not produced, sixth broadly, not deeply 



emarginate, fifth broadly angulate emarginate. 



Female apterous reflexus 



Female winged laticollis 



Seventh ventral segment of male more or less strongly produced, sixth very 

 broadly and deeply emarginate, fifth not emarginate. 



Seventh ventral of male rounded at tip, size large magister 



Seventh ventral of male emarginate, notched or forked at tip 2 



2. Seventh ventral of male not or scarcely more than twice as long as wide, 



never projecting beyond the sixth a distance as great as the length of 



the latter 3 



Seventh ventral segment of male much more than twice (usually three to 

 five times) as long as wide, and projecting beyond the sixth a distance 

 equal to or greater than the length of the latter 4 



3. Seventh ventral of male deeply incised at tip, eyes very large, separated 



anteriorly by not more than their own horizontal width as viewed from 



the front vigilans 



Seventh ventral of male broadly notched or emarginate at tip. 



Antennae with two basal joints yellow basalis 



Antennae entirely fuscous or piceous. 



Eyes large and prominent, the head conspicuously wider than the 



thorax, thorax yellow mitiUcus 



Eyes relatively small, head not very much wider than the thorax, 

 the latter piceous piceolus 



4. Seventh ventral of male with apical notch not deeper than the width of the 



segment at its narrowest part 5 



Seventh ventral of male more deeply forked than the minimum width of 

 the segment 6 



5. Apex of seventh ventral of male concavely beveled inferiorly, as seen in 



profile. 



Seventh ventral of male nearly straight in profile mollis 



Seventh ventral of male distinctly ascending in profile, the tips more 



diverging as viewed vertically appendiculatus 



Apex of seventh ventral of male simple. 



Fifth (?) dorsal segment (cf ) with a strongly produced overhanging 



process which is horizontally dilated and rounded at tip, broadly 



arched as viewed in profile; seventh ventral not hisinuate. . .obductus 

 Dorsal segments not produced apically, seventh ventral of male 



strongly bisinuate in profile bicurvatus 



6. Ascending portion of seventh ventral straight (in profile) and lying between 



long, slender, rectangularly bent dorsal processes complicatus 



Ascending portion of seventh ventral straight, tip beveled, no slender 

 dorsal processes, ventral segments 3 to 5 silvery sericeous at 



middle sericeiventris 



Ascending portion of seventh ventral sinuous or bent. 



Emargination of sixth ventral (cf ) not truncate at bottom, seventh of 

 nearly uniform width, forks parallel. 

 Head (cf ) much wider than the thorax, eyes large, separated in 



front by about their own diameter vapidus: 



Head (cf ) narrower eyes smaller and separated on the front by 



more than IJ^ times their own diameter fusculus 



Emargination of sixth ventral truncate at bottom. 

 Seventh ventral sinuate apically in profile, less widely and deeply 



forked tularensis 



Seventh ventral apically bent, more widely and deeply ior^ed..visceratus. 



