ANTS. 



H'uber ( 1810 ) de>cribes two artificial nests which he u>ed in his 

 researches. ( )IK' of ilir^c consisted of a box mounted on legs, not 

 unlike tln>M- of a sewing machine, and covered with a large bell-jar. 



A 



B 



C 



^/ 



Food 



: 



,^' ' '"-. ,"":'' '** 



f- ( 



'- . '-* : "^-vX? 



Food 



D 



FIG. 283. Bases of Fielde nests of different sizes made to fit into shelves of 

 portable case. (Miss Fiehle. ) The shaded portions represent the walls of the nest 

 built up with strips of glass. S, slice of sponge. 



A colony of Formica mfa that was placed in the box built up its mound 

 of sticks under the bell-jar and tunneled in the earth of the box. The 



