Superfamily Argiopoidea 



BB. Scape of the epigynum flat and widened at the tip. P. 489. 



Aranea ocellaia 

 AA. Males. 



B. The median apophysis of the bulb of the palpus more than 



twice as long as wide and split less than halfway to its 



base. 



C. The bulb of the palpus with a long blunt terminal 



apophysis. P. 486. Aranea sericata 



CC. The terminal apophysis of the bulb of the palpus 



stouter at the base but ending in a slender spear-like 



tip. P. 487. Aranea J rondos a 



BB. The median apophysis of the bulb of the palpus nearly 



as wide as long and split nearly to its base. P. 489. 



Aranea ocellaia 



The Gray Cross Spider, Aranea sericata (A. ser-i-ca'ta). — 

 This is the most easily recognized of the three house Araneas. It 



is darker than the other two spe- 

 cies and has lighter abdominal 

 markings (Fig. 510). The most 

 easily recognized distinction is 



Fig. 510. 

 ARANEA SERICATA, FEMALE 



Fig. 511. 

 EPIGYNUM OF ARANEA SERICATA 



the fact that the light lines form- 

 ing the edges of the folium are 

 broken between the first and 

 second abdominal segments; and 

 eachpart extends inward, more or less distinctly, toward the 

 middle line. At the place where the lines are broken, the folium 

 is crossed by a lighter gray patch, interrupted in the middle. The 



486 



