INTELLIGENCE IN INSECTS 



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according to another prominent student of conservative 

 judgment, Professor Lloyd Morgan, is furnished by the 

 observations of the Peckhams on a solitary wasp Ammophila 

 which, after filling up its hole with dirt even with the surface 

 of the ground, picked up a small pebble in her mandibles and 



FIG. 14. The wasp Ammophila using a stone to pound down the dirt 

 in its hole. (After Peckham.) 



used it to pound in the loose dirt placed in the hole, " Before 

 we could recover from our astonishment at this performance," 

 write the Peckhams, "she had dropped her stone and was 

 bringing more earth, and in a moment we saw her pick 

 up the pebble and again pound the earth into place with it. 

 Once more the whole process was repeated, and then the 

 little creature flew away." According to Morgan, "here 



