Superfamily Argiopoidea 



Three species have been described from our fauna; these are 

 separated by Chamberlin as follows: 



TABLE OF SPECIES OF SCHIZOCOSA 



Females 



A. Sternum yellow, with two dark lines or rows of dark spots 

 converging posteriorly. P. 648. S. bilineata 



AA. Sternum dark, not marked as in 5. bilineata. 



B. Septal portion of the guide of the epigynum very broad 

 immediately in front of the transverse arms, narrowing 

 anteriorly where it is not sinuous or bent; the median 

 portion between anterior and posterior divisions of 

 arms very narrow, much narrower than the septum in 

 front of arms (Fig. 726, a); sternum usually black 

 except marginally. P. 648. S. ocreata 



BB. Septal portion of guide sinuous or Dent near the anterior 

 end; median portion between anterior and posterior divi- 

 sions of arms wide, wider than septum in front of trans- 

 verse arms (Fig. 726, c); sternum usually reddish brown. 

 P. 648. 5. saltatrix 



Males 



A. First tibiae clothed with dense hair standing out in brush- 

 like form. 

 B. Legs yellow, without dark annuli or markings. P. 648. 



.S. bilineata 



BB. Legs annulate with dark. P. 648. S. ocreata 



AA. First tibiae not so clothed. P. 648. S. saltatrix 



Scbi{ocosa bilineata (S. bi-lin-e-a'ta). — This is essentially 

 a Northern species having been found from Connecticut to Kansas, 

 and south to the District of Columbia. The male measures about 

 one fifth inch in length; the female, a little more than one fourth 

 inch. 



Schiiocosa ocreata (S. oc-re-a'ta). — This species is widely 

 distributed in the Southeastern States; its range extends west to 

 Kansas and north to New York. The length of the body is about 

 one third inch. 



Schiiocosa saltatrix (S. sal-ta'trix). — This species resembles 

 the preceding in size and in distribution. 



648 



