Superfamily Argiopoidea 



in having the fore spinnerets widely separated; the tarsi are fur- 

 nished with bundles of terminal tenent hairs as in the clubionids. 



Most drassids are found under stones or bark or in moss; a 

 few live on the leaves of plants which they roll like the clubionids, 

 but they do not construct a definite tube like that of the clubionids 

 or at the most they spin an irregular retreat at the time of oviposi- 

 tion. Some of the species that live under stones make a silken 

 sac within which they live and in which the egg-sac is made. 



Our genera can be separated by the following table, which 

 is largely based on one published by Mr. Banks. 



TABLE OF GENERA OF THE DRASSIDS 



A. Lower margin of the furrow of the chelicerae keeled or lobed. 



B. Posterior row of eyes much wider, i. e., extending farther 



on each side, than the anterior row. and strongly 



recurved. P. 320. Gnaphosa 



BB. Posterior row of eyes barely wider than the anterior row 



and straight or only slightly recurved. P. 321. Callilepis 



AA. Lower margin of the furrow of the chelicerae unarmed or 



with one or two teeth. 



B. Median furrow of the cephalothorax wanting; cephalo- 



thorax reddish yellow; posterior row of eyes slightly 



recurved. P. 319. Sergiolus 



BB. Median furrow of the cephalothorax present; posterior 



row of eyes rarely recurved. 



C. Body white with two broad, black, longitudinal 



stripes extending nearly the whole length of it 



above. P. 319. Cesonia 



CC. Body not coloured as in Cesonia. 



D. Hind spinnerets plainly two-jointed, and longer than 



the fore spinnerets. P. 322. Teminius 



DD. Hind spinnerets not plainly two-jointed and not 



longer than the fore spinnerets. 



E. Posterior row of eyes slightly recurved; posterior 



median eyes widely separate; no spine above 



on the base of the third and fourth tibiae. 



F. Posterior row of eyes plainly broader than the 



anterior row; posterior lateral eyes barely, 



if any, larger than the posterior median eyes; 



310 



