The Sense of Sight in Spiders 



289 



TABLE VII 



Pardosa nigropalpis. Diameter of eyes in millimeters 



Or in proportion to the anterior middle eyes 



TABLE VIII 



SHOWING THE DISTANCES BETWEEN THE EYES AND BETWEEN THE EYES AND THE EDGES OF THE 



CEPHALOTHORAX 



Lycosa nidicola. Measurements in millimeters 



Or in proportion to the length of the cephalothorax as a unit 



Adult female 



Spiderling taken out of a 

 cocoon 



0.74 

 0.78 



0.27 

 0.46 



0.27 



Heteropoda venatoria. Measurements in millimeters 



Or in proportion to the length of the cephalothorax 



