Agalenidm and JDysderidce. 191 



than the other spinnerets. The feet have three claws. The Agalen- 

 idm make large flat or irregular webs with a tube or hiding place at 

 one side from which they run out and seize the insects that alight on 

 the web. The Agalenidm run on the upper side of the web with their 

 back upward, while LinypMa, which makes similar flat webs, runs on 

 the under surface, back downwards. 



CcBloteS Blackwall. 



The difference between Coilotes and Tegenaria is not a very dis- 

 tinct one. I have placed in Ca?lotes those stouter and shorter legged 

 species with the mandibles prominent in front, and in which the palpi 

 of the males have processes on both patella and tibia. 



The eyes are in two rows, nearly straight, and differ but little in 

 size and distance apart. The mandibles are stout and convex. The 

 maxilh^ are wide at the ends, rounded on the outer corners, and 

 obliquely truncated on the inner. The labium is about half as long 

 as the maxilla;, a little narrowed and truncated at the tip. The 

 colors are dark gray and brown. 



Coelotes medicinalis. 



Tegenaria medicinalis Hentz. 



Plate VII, figures la, \h. 



Female 12"^'" long ; cephalothorax 5'"'", fourth leg 15'""', Front 

 row of eyes straight, the middle eyes largest, eyes of upper row all 

 of the same size and about equal distances apart, the middle eyes 

 highest. The lateral eyes of both rows are close together, those of 

 the upper row farthest toward the sides. Head high and wide, dis- 

 tinctly separated from the thoi'ax by grooves each side. Abdomen 

 oval, widest behind. Legs moderately stout. 



Cephalothorax yellowish brown, darkest in front, marked with 

 radiating gray lines forming two longitudinal dark liands. Abdo- 

 men gray Avith irregular pale spots. A double row of oblique pale 

 spots in the middle, in most specimens broken and irregular, tig. 1. 

 The legs are light yellowish brown Avith light indistinct gray rings. 



The spinnerets are short. 



The epigynum has a large piece in the middle with a branch each 

 side that extends outward and forward ending in a point. In front 

 are two small rounded teeth directed inward. PI. vii, fig. la. 



Male palpus short, with a large and wide tarsus. The patella and 

 tibia are both short and of about the same length. The outer pro- 



