The Pselaphid.^ of North America. 75 



margin narrow, the segments sub-equal, the first two with 

 short carince at the base. Legs long, thighs robust, tibiee 

 slender; male intermediate thighs lunate, the intermediate 

 tibicC with an internal tooth. 

 Habitat. New York. 



Faronus, Atibe. 



Antennfe inserted beneath the moderately distant frontal 

 tubercles, joints moniliform, gradually slightly larger; palpi 

 short, the last I'oint oval or elongate oval; vertex trifoveate; 

 eyes moderately prominent, the facets not very large. Pro- 

 thorax commonly wider than long, with two small fovece near 

 the center and a transverse excavation limited laterally by a 

 carina which separates it from the lateral fovea, posteriorly by 

 a roof-shaped transverse carina which divides it from the basal 

 line. Elytra usually with nearly straight divergent sides, the 

 line of the sides if prolonged touching the sides of the protho- 

 rax and the eyes anteriorly, and the hrst three segments pos- 

 teriorly; the disk is depressed, with deeply interrupted or 

 strongly loveate lines. Abdomen, basal segment shorter than 

 the two succeeding ones, broadly margined, the segments 

 quite flexible and somewhat retractile; segments six in num- 

 ber. Pubescence usually very coarse and long. Legs slen- 

 der, short, tarsi short, the first two joints very short, the last 

 with two equal claws. Posterior coxcC approximate, slightly 

 transverse. Antennfe with the third joint smallest. I'he fol- 

 lowing table will enable the student to identif}' his specimens. 



table of the species of faronus. 



I- Prothorax with two fove?e on the disk before the middle. 



22 Prothorax nearly as wide as long, sides evenly arcuate, Jiscal foveie faint, 

 not connected with the basal transverse impression by a longitu- 

 dinal one. .----.-.. tolulce. 



2' Prothorax wider than long, foveae connected with the transverse basal 

 impression by a longitudinal one. 



Sides of body nearly parallel: head very transverse, tempora 

 rectangular with the base. .... corticinus. 



