The Descent of Man, and Selection in Relation to Sex

words removed
311,415
marks left
67,240
words a sentence
15.1
most used mark
,

Its punctuation fingerprint: each mark's share, on the same scale as every book on the shelf.

Its punctuation twin, the closest fingerprint on the shelf: The Part Borne by the Dutch in the Discovery of Australia 1606-1765, J. E. Heeres. More twins

Charles Darwin on the shelf

4 books by Charles Darwin are on the shelf. Its fingerprint is the 3rd closest of the 4 to their average. Held out and guessed from its marks alone, the shelf names Charles Darwin as its author. Of the 623 other authors on the shelf, Charles Darwin's punctuation is closest to Hilaire Belloc's.

Charles Darwin's average fingerprint

Charles Darwin on the numbers page

Marks per 1,000 words, except words per sentence and dialogue (the share of words inside quotation marks).
This bookCharles Darwin's averageEvery book's median
Semicolons17.511.57.2
Commas88.479.376.6
Colons1.02.31.6
Exclamation marks0.10.52.8
Question marks0.30.73.7
Words per sentence15.121.517.0
Dialogue3%6%22%

Every mark in reading order, left to right, top to bottom. Sentence endings are pink.

Read your own or go back to the shelf

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