[May 10th 1916]
That guides and governs them. I had always though that locusts were the strictest and most voracious of vegetarians. But locusts will devour one another. An injured member of the throng is immediately set upon by its neighbours and is sucked dry of its body fluids. There is no succour for the sick and wounded of a locust army. Their lot is to feed their cannibal comrades who rapidly devour them. This I think, must be the explanation why the dead, empty cases of so many locusts lie attached to the desert shubs. I suspect they are the remains of those individuals that have been devoured by their fellows.
I will make a very few remarks on the sensibility of locusts. They seem to be intolerant of cold, for one day,