"That 'practice makes perfect' is a matter, as I have previously said,
of daily observation. Whether we regard a juggler, a pianist, or a
billiard-player, a child learning his lesson or an actor his part by
frequently repeating it, or a thousand other illustrations of the same
process, we see at once that there is truth in the cynical definition
of a man as a 'bundle of habits.' And the same of course is true of
animals." {234a}
From this Mr. Romanes goes on to show "that automatic actions and
conscious habits may be inherited," {234b} and in the course of doing
this contends that "instincts may be lost by disuse, and conversely that
they may be acquired as instincts by the hereditary transmission of
ancestral experience." {234c}