A poor bag! the reader may say, but it was the day of small things at the end of July, and this dead creature gave me something to think about. How in the name of wonder came it to be dead at that peaceful place, where no gun was fired! I could not believe that he had died, for never had I seen a finer, {104} glossier-coated, better-nourished-looking squirrel. "Whiter than pearls are his teeth," were Christ's words in the legend when His followers looked with disgust and abhorrence at a dead dog lying in the public way. This dead animal had more than pearly teeth to admire; he was actually beautiful to the sight, lying graceful in death on the moist green sward in his rich chestnut reds and flower-like whiteness. The wild, bright-eyed, alert little creature--it seemed a strange and unheard-of thing that he, of all the woodland people, should be lying there, motionless, not stiffened yet and scarcely cold. A keeper in Hampshire told me that he once saw a squirrel accidentally kill itself in a curious way. The keeper was walking on a hard road, and noticed the squirrel high up in the topmost branches of the trees overhead, bounding along from branch to branch before him, and by-and-by, failing to grasp the branch it had aimed at, it fell fifty or sixty feet to the earth, and was stone-dead when he picked it up from the road. But such accidents must be exceedingly rare in the squirrel's life. [Sidenote: Fleas large and small] Looking closely at my dead squirrel to make sure that he had no external hurt, I was surprised to find its fur peopled with lively black fleas, running about as if very much upset at the death of their host. These fleas were to my eyes just like _pulex irritans_--our own flea; but it is doubtful that it was the same, as we know that a great many animals have their own species to tease them. Now, I have noticed that some very small animals have very small fleas; and {105} that, one would imagine, is as it should be, since fleas are small to begin with, because they cannot afford to be large, and the flea that would be safe on a dog would be an unsuitable parasite for so small a creature as a mouse. The common shrew is an example. It has often happened that when in an early morning walk I have found one lying dead on the path or road and have touched it, out instantly a number of fleas have jumped. And on touching it again, there may be a second and a third shower. These fleas, parasitical on so minute a mammal, are themselves minute--pretty sherry-coloured little creatures, not half so big as the dog's flea. It appears to be a habit of some wild fleas, when the animal they live on dies and grows cold, to place themselves on the surface of the fur and to hop well away when shaken. But we do not yet know very much about their lives. Huxley once said that we were in danger of being buried under our accumulated monographs. There is, one is sorry to find, no monograph on the fleas; a strange