Stories of the First American
Animals,
1923,
By George Langford.
This book is collection of fiction stories, although interspersed
chapters are included that provide some scientific and geologic
background to the stories.

It appears that the author, Langford, was responsible for the pen and
ink drawings.

The five watercolors, all depicting prehistoric mammals, are by Ty
Mahon. These pieces are nicely done.
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