248 FIELD ZOOLOGY. 



large and round. Legs slender, no spines. Eyes about 

 the same size, in two rows close together, often touching. 

 Mandibles weak, without teeth. Maxillae pointed and 

 turned inward. Most of them live in webs, hang back 

 downward. 



Linyphiadae. Roof weavers; body elongated. Legs 

 stout with many spines. Mandibles large, strong, with 

 teeth around claws; maxillas not inclined toward labium. 

 Live in shady woods, under leaves, in caves and cellars; 

 colors plain and dull. Web usually a large flat sheet 

 supported by threads, and under this the spider lives. 



Epeiridae. Round web weavers; hang in web or 

 nest, back or head downward. Cephalo-thorax short in 

 most of the species, low and wide in front. Eyes eight, 

 side pairs close together and farther from middle eyes than 

 middle eyes are from each other all located near front 

 edge of head. Mandibles large; maxillae short and not 

 pointed nor turned inward. Legs long and stout in most 

 species. Abdomen, in some species, rounded and cu- 

 riously humped or angled. Colors often bright, and 

 arranged on abdomen in triangular or leaf patterns. 

 Some species show deceptive coloration for concealment 

 among the plants where they live. 



Cribellata. Six spinnerets and a cribellum, a flat, 

 wide spinning organ in front of the spinnerets; calamis- 

 trum on hind legs, that is, a row of hairs to draw out the 

 band of silk from spinnerets and cribellum. Feet with 

 three claws. 



