Animals of the Past

Written when 'dinosaur' was still a new word in most homes: the American Museum's own guide to sea-serpents of Kansas, birds with teeth, and why great creatures vanish — with Charles R. Knight's famous restorations.

Impressions Of The Past

2 pages in this part of Animals of the Past.

Impressions Of The Past

"The weird palimpsest, old and vast, Wherein thou hid'st the spectral past."

Impressions Of The Past: England

There is an interesting parallel between the history of footprints in England and America, for they were noticed at about the same time…

Rights & ReuseThe complete text of Animals of the Past (1901) is in the public domain in the United States — like all works published before 1928 — and is free to read, download, quote, teach from, and reuse. This digital edition (its transcription, restored plates, and site design) is © 2026 PhotoOpAI, and any editorial commentary we add is clearly marked as ours; the underlying public-domain text carries no such restriction.