Page 218, line 8 from top, for perceptible, read precipitable.
Page 307, line 15 from top, for induction, read introduction.

Page 320, line 13, for receives, read recovers.

Page 360, line 36, after the word "of," insert" practical medicine, grow out of
the difficulties, the obscurities, the uncertainties, the imperfections."

Page 500, line 15 from top, for "and we repeat our ignorance of the cause which
could have induced"-read, "though, as already pointed out, forgetfulness has
occasioned."