204 IOWA ACADEMY OF SCIEN'CE Vol. XXV, 1918 



turning rapidly about she proceeded forthwith to wrap up the 

 end of the wire with her sticky silk which she pulled out with 

 her hind legs. JMore than this she passed drag lines to other 

 parts of the web, so as to make sure the victim should not escape. 

 As the wire was vibrated again, again she -."epeat^d these per- 

 formances just as if she were snaring a victim. 



The type of reason in this spider, if it does exist, is certainly 

 different from that shown in higher animals. 



Department of Zoology, 

 The State College. 



