Superfamily Argiopoidea 



AA. Fore spinnerets separate, colulus wanting. 



B. Fore spinnerets but little separate; hind spinnerets placed 

 behind the fore spinnerets and occupying only a little 

 wider space. 

 C. Hind spinnerets with the apical segment at least as 

 long as the basal segment; labium longer than wide; 

 posterior coxae contiguous. 

 D. Both rows of eyes very strongly procurved, so that 

 the anterior median eyes and the posterior lateral 

 eyes form nearly a straight line. P. 585. Agelena 

 DD. Both rows of eyes not at all or but slightly pro- 

 curved. 

 E. Anterior median eyes much larger than the 

 anterior lateral eyes. P. 592. Coras 



EE. Anterior median eyes either smaller than the 

 anterior lateral eyes or of the same size. 

 F. Clypeus at least twice as wide as the anterior 

 eyes; chelicerae usually but slightly convex; 

 the lower margin of the furrow of the che- 

 licerae usually four-, five-, or six-toothed, 

 rarely three-toothed. P. 592. Tegenaria 

 FF. Clypeus scarcely wider than the anterior eyes; 

 chelicerae very strongly convex; the lower mar- 

 gin of the chelicerae usually only two- or three- 

 toothed. P. 593. Ccelotes 

 CC. Hind spinnerets with the apical segment much shorter 

 than the basal segment; labium nearly always as wide 

 as or wider than long; posterior coxae usually well sepa- 

 rated. 

 D. With only six eyes. P. 596. Chorizomma 

 DD. With eight eyes. 



E. Clypeus much wider than the anterior lateral 

 eyes; anterior median eyes usually not much 

 smaller than the lateral eyes. P. 595. 



Cicurina 



EE. Clypeus not wider than the anterior lateral eyes; 



anterior median eyes much smaller than the 



lateral. P. 597. Cryphceca 



BB. Fore spinnerets widely separate; all spinnerets in one 



straight or curved line. P. 597. Hahnia 



584 



