[{93}] Often lost applies to instinct: birds get wilder is printed in a parenthesis because it was apparently added as an after-thought. Nest without roof refers to the water-ousel omitting to vault its nest when building in a protected situation.
[{94}] In the MS. of 1844 is an interesting discussion on faculty as distinct from instinct.
[{95}] At this date and for long afterwards the inheritance of acquired characters was assumed to occur.
[{96}] Part II. is here intended: see the Introduction.
[{97}] The meaning is that the attitude assumed in shamming is not accurately like that of death.
[{98}] This refers to the transandantes sheep mentioned in the MS. of 1844, as having acquired a migratory instinct.
[{99}] In the Origin, Ed. i. p. 209, vi. p. 321, Mozart’s pseudo-instinctive skill in piano-playing is mentioned. See Phil. Trans., 1770, p. 54.
[{100}] In the discussion on bees’ cells, Origin, Ed. i. p. 225, vi. p. 343, the author acknowledges that his theory originated in Waterhouse’s observations.
[{101}] The hawfinch-and Sylvia-types are figured in the Journal of Researches, p. 379. The discussion of change of form in relation to change of instinct is not clear, and I find it impossible to suggest a paraphrase.
[{102}] I should interpret this obscure sentence as follows, “No such opposing law is known, but in all works on the subject a law is (in flat contradiction to all known facts) assumed to limit the possible amount of variation.” In the Origin, the author never limits the power of variation, as far as I know.