i68 



THE ANIMALS AND MAN 



as forward, and the black and red, fierce-eyed, stout-bodied 

 little jumping spiders (Attidae) (fig. 81), which leap on their 

 prey. 



The sedentary or web-weaving spiders are of various 



kinds. They 

 may be grouped 

 according to 

 their spinning 

 habits into cob- 

 web weavers 



FIG. 79. A female running spider (Lycosid), (Therididae), 

 carrying its egg-sac attached to its spinnerets, small slim-leg- 

 (Slightlv enlarged; after Jenkins and Kellogg.) -, . -, 



ged spiders 



which make the familiar unsymmetrical cobwebs of 

 houses and outbuildings; funnel-web weavers ( Agalenidae) , 

 larger long-legged spiders of meadow and field which spin a 

 flat or concave horizontal web in the grass with a silken 



tube leading down 

 to the ground; the 

 curled-thread wea- 

 vers (Dictynidae), 

 which use in addi- 

 tion to the usual 

 lines peculiar broad 

 lines made of 

 waved or curled 

 threads in their ir- 



FIG. 80. A crab-spi- 

 der (Thomisid). 



(Slightly enlarged; regular webs made 



after Jenkins and f e nce-COmers 



n 



FIG. 81. A jumping 

 spider ( At t id ). 

 (Slightly enlarged; 

 after Jenkins and 

 Kellogg.) 



and on plants; and 

 finally orb-weavers (Epeiridas) (fig. 82), the host of variously 

 colored and patterned stout-bodied garden-spiders which 

 spin the beautiful symmetrical circular webs familiar to all. 

 If a complete uninjured orb web be examined it will be 

 found to consist of a small central hub either open or closed, 



