disappointment. Among the naked roots of the oak-tree under which I was sitting. I could see countless ants swarming over the parched grey earth and winding among the acorns, withered oak-leaves, dry twigs, russet moss, and slender, scanty blades of grass. In serried files they kept pressing forward on the level track they had made for themselves — some carrying burdens, some not. I took a piece of twig and barred their way. Instantly it was curious to see how they made light of the obstacle. Some got past it by creeping underneath, and some by climbing over it. A few, however, there were (especially those weighted with loads) who were nonplussed what to do.

They either halted and searched for a way round, or returned whence they had come, or climbed the adjacent herbage, with the evident intention of