THE EPEIRID^E 



163 



yellow stripe on the sternum and yellow spots under the abdomen 

 between the spinnerets and epigynum. Silvatica has the ster- 

 num and under side of the abdomen brown, without any distinct 

 markings. The male angulata has the thickened tibia of the 

 second leg nearly as long as the tibia of the first leg. The 

 male silvatica has the second tibia less thickened and a fourth 

 shorter than the first tibia. The male angulata has a pair of long 

 spines under the coxae of the second legs, but in silvatica these 

 spines are so small as to be hardly visible. E. nordmanni is a 

 smaller species, about as large as sclopctaria and strix, with 

 light gray colors and generally distinct marking both above 

 and below. E. corticaria is not more than half as large as 

 silvatica and might be mistaken for the young of that species, 

 but the colors are lighter and the rings on the legs narrower 

 and more numerous. The epigynum of corti- 

 caria is nearly as large as that of silvatica, 

 and the middle appendage is often wanting as 

 if broken off. 



Epeira nordmanni. — This is a little smaller 

 and a little longer legged than cinerea and 

 angulata. The abdomen is longer than in 

 those species and has two similar humps in 

 front (fig. 387). The female is not more than 

 half an inch long. The colors are white and 

 gray or black. The cephalothorax is light 

 gray, darkest at the sides, but without stripes. Figs. 387, 388. Epeira 



nordmanni. — Upper 



The legs have a dark ring at the ends and a an d unde r markings 

 lighter one in the middle of each joint. The of . fem ^ enlarged 



o J twice. 



abdomen has a distinct middle stripe on the 

 hinder half. In front there is an indistinct dark area extending 

 to the top of the humps and, in the middle, inclosing a bright, 

 long, white spot, with a round spot on each side sometimes 

 united with it. The sternum is dark brown, without any stripe. 



