The Snail-destroyin'g Drilus and its Grl-bs. 



In the foreground are the female and male beetles, the former much more hke a grub than a mature Insect. The three upper figures are 

 tie hairy grubs engaged on their life-work. ; The middle one is making its preliminarv examination of a snail. That to the left is biting a snail 

 *•■-* evinces a disposition to escape, and that to the right is pushing its snail into a place moie convenient for its consumption. They are 

 1 a scale ot rive times the actual size. 



that 

 all on 



271 



