were his intimates, however, his scientific investigations were as nothing to his gift of speech. In the after-dinner hours he was ever a vivid and variegated talker, and at times his fantastic, often paradoxical, conceptions came so thick and close as to form one continuous discourse. At these times he was as unlike the popular conception of a scientific investigator as a man could be. His cheeks would flush, his eyes grow bright; and the stranger the ideas that sprang and crowded in his brain, the happier and the more animated would be his exposition.
Up to the last there was held at his house a kind of informal gathering, which it was my privilege to attend, and where, at one time or another, I have met most of our distinguished literary and scientific men. There was a plain dinner at seven. After that we would adjourn to a room of easy-chairs and little tables, and there, with libations of alcohol