102 



THE COMMON SPIDERS 



along the surface of the rock, held away from it a short dis- 

 tance by threads fastened to projecting points on the stone 

 (figs. 239, 240). This species is sometimes mistaken for the 



longer legged and more hairy Tegenaria 

 derhamii (fig. 228), that makes similar 

 webs in barns and cellars. 



Tegenaria (Caelotes) longitarsus.— Smaller 

 than medicinalis ; about two-fifths of an 

 inch in length. The head is very wide, 

 and the mandibles of the female more 

 swelled in front than in medicinalis, and 

 the eyes are smaller and cover less than 

 half the width of the head (figs. 244, 

 245). The cephalothorax is darker 

 colored in front and does not have the 

 two longitudinal stripes seen in medici- 

 nalis (fig. 241). The legs are only 

 faintly marked with gray in the middle 

 of the joints. The abdomen is marked 

 with gray, in a series of dark and light 

 spots, as in other species, and of more 

 fig. 239. sections of webs of regular shape than in medicinalis. The 



Tegenaria and Agalena. — . . 



«, Agalena n^via ; 6, com- epigynum is light colored, with a mid- 



mon form of Tegenaria der- d j baj . covered with hair and s K„ htly 



hamn, with the edge lower <-> J 



than the tube; c, Tegenaria, forked at the hinder end (fig. 242). The 



with the edge higher than the , , . rr . , , r , 



tube; d, Tegenaria, with the male differs in the usual way from the 

 edge carried up along the face female and has the palpi shorter than 



of a rock ; e, Tegenaria, with 



the edge carried down as well medicinalis. The tarsus has a projec- 

 asup ' tion at the base that covers the tibia. 



The patella has a short process on the outer side that points 



directly forward (fig. 243). 



Tegenaria (Cicurina) complicata. — -A small spider, resembling the 



young of the larger species of Tegenaria, found usually under 



