me with her great eyes. At first this intrusion annoyed me, but by degrees, finding that she made no attempt to distract my attention, I suffered her to remain. Encouraged by this concession, she gradually came to move the stool on which she sat nearer and nearer to my table, until, after gaining a little every day during some weeks, she at last worked her way right up to me, and used to perch herself beside me whenever I worked. In this position she used, still without ever obtruding her presence in any way, to make herself very useful by holding my pens, test-tubes, bottles, etc., and handing me whatever I wanted, with never-failing sagacity. By ignoring the fact of her being a human being, and looking upon her as a useful automatic machine, I accustomed myself to her presence so far as to miss her on the few occasions when she was not at her post. I have a habit of talking aloud to myself at times when I work, so as to fix my results better in my mind. The girl must have had a surprising memory for sounds, for she could always repeat the words which I let fall in this way, without, of course, understanding in the least what they meant. I have often been amused at hearing her discharge a volley of
