top-margin annotation Charles Darwin, Esq with the highest regards of Prof. Agassiz

concepts
⇑lines 4—2 apparently unintentional mark
line 1 apparently unintentional mark
line 15 underline "any ... living"
line 16 underline "guidance ... man"
lines 17—20 score
lines 17—20 annotation !
line 18 underline "the ... over"

concepts