THE COMMON SPIDERS 



I 



Poecilochroa variegata. 



colored of the family 

 o o 



• This is one of the most brightly 

 The cephalothorax is bright orange, 







a little darker toward the eyes. The 

 abdomen is black, with three trans- 

 verse white stripes and a T-shaped 

 white mark between the first and 

 second stripes. On the front of 

 the abdomen the white stripes are 

 sometimes tinged with orange. The 

 femora of the first and second legs 

 lo are black. The distal end of the 



femur and both ends of the tibia of the fourth 

 legs are black. Other parts of the legs are 

 orange-colored. The female is quarter of an 

 inch long. The cephalothorax is narrower than 

 in Prosthcsiina atra and Gnaphosa couspersa, 

 and the sternum longer and narrower. The 

 maxillae (fig. lo) are long and widened at the 

 outer corners. The two rows of eyes (fig. 9) 

 are almost straight, the upper one longer than 

 the lower. 



Poecilochroa bilineata. — A little smaller than 

 P. variegata, but with the abdomen longer. 

 Cephalothorax and abdomen both white at 

 the sides and in the middle, with two black 

 stripes from the eyes nearly to the spin- 

 nerets. The abdomen is covered with long 

 hairs, black in the stripes and silvery white 

 in the light portions. The legs are gray, 

 with white hairs. The under side is light 



Upper and under views g^^y, with tWO black StripeS at the sidcS of 



of female without tiie the abdomcu that do not quite reach the 



legs, enlarged four . 



times. spmnerets. The spinnerets are unusually 



Figs. 9, 10, 1 1. INe- 

 cilochroa variegata. 

 — II, female en- 

 larged four times. 



9, eyes from in front. 



10, maxill?E, labium, 

 and ends of mandi- 

 bles from below. 



Fig. 12. 



Fig. 



Poecilochroa bilineata. — 



