Superfamily Argiopoidea 



other large common Dolomedes by the markings of the abdomen 

 and the form of the epigynum. 



There is a median yellow band on the basal half of the ab- 

 domen; and on each side of this at the base of the abdomen, a 

 narrow yellow line each forming an incomplete ring; between 

 these and the tip of the abdomen there are from three to six 



Fig. 701. DOLOMEDES URINATOR, MALE 



pairs of small, white or yellow spots; each pair of spots is connected 

 by a slightly recurved, not W-shaped, black line (Fig. 699). The 

 epigynum (Fig. 700) is distinctly broader than long; the guide 

 extends the whole length of the organ, and has a transverse 

 groove near the middle. 



The male (Fig. 701) differs so greatly in appearance from 

 the female that it has been considered a distinct species, and has 



612 



