THE COMMON SPIDERS 



Poecilochroa variegata. — This is one of the most brightly 

 colored of the family. The cephalothorax is bright orange, 



o o a utt l e 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 

 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 Prosthcsima atra and Gnapliosa co)ispcrsa> 

 Figs. 9, io, n. Pee- and the sternum longer and narrower. The 

 ciiochroa vanegata. maxJH^ /fior. IO ) are long and widened at the 



— ii, female en- \ o / o 



hrged four times, outer corners. The two rows of eyes (fig. 9) 



9, eyes from in front. , . , , -, ■, 



10, maxiike, labium, are almost straight, the upper one longer than 



and ends of mandi- f\\Q lower 

 bles from below. 



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 



Fig. 12. Fig. 13. 



Poecilochroa bilineata.- kh t b j k t j fc th sides of 



I pper and under views o J > r 



of female without the the abdomen that do not quite reach the 



legs, enlarged four . . .. 



times. spinnerets. The spinnerets are unusually 



