THE SPIDERS. \\Q 



The male si^ider is usually much smaller than the fe- 

 male; the latter lay their eggs in silken cocoons. The 

 tarantula [Lycosa) usually lives in holes in the ground, and 

 sometimes conceals the opening by covering it with a few 

 dead leaves. The common garden spider is Epeira vulga- 



Fia. 139 — My gale. Trap-door Spider- 



ris. It lives about houses and in gardens; its geometrical 

 web is very regular. The large trap-door spider {Mygale) 

 has four lung-sacs instead of two, as in the other spiders, 

 and only two pairs of spinnerets, ilygale Hentzii (Fig. 

 139) inhabits the Western plains and Utah; the gigantic 



