Note 767 — Chapter V · (continued 2)

They were published after his death from such scanty materials, that their editor, Dr. Robison, says (Preface to Black's Lectures, vol. i. p. x.): ‘When I then entered seriously on the task, I found that the notes were (with the exception of perhaps a score of lectures) in the same imperfect condition that they had been in from the beginning, consisting entirely of single leaves of paper, in octavo, full of erasions, interlinings, and alterations of every kind; so that, in many places, it was not very certain which of several notes was to be chosen.’