the evening, the window is open, the sparrow is singing with all its might in its cage, we are talking and laughing close to the cat’s box. Do all these noises in some way excite the sensoriums of the two repus kittens? The fact is, that they have been in a state of agitation for more than a quarter of an hour, travelling one over the other and walking over their mother’s stomach, paws, and head. Mitis, the heavier of the two and soonest tired out, was the first to return to the teat. Riquet’s return to the maternal breast has been a long and roundabout journey from one corner of the box to the other, and round and round his mother.
At nine o'clock I went to look at them with the light. This threw them into dreadful consternation. I observe in them both something like intentions to bite, while rolling each other over, they keep their mouths open, and snap instead of sucking when they come in contact with any part of each other’s bodies; but it is all mechanical. Here we have an increase of activity produced by an accession of powers and temporary over-excitement.
18th May.—They are lying asleep on their sides, facing each other, with their fore-paws half stretched out against the hind ones. Riquet’s sleep is much disturbed; his mouth touches one of his brother’s paws, which he