Principles of Zoölogy: Touching the Structure, Development, Distribution, and Natural ...
by Jean Louis Rodolphe Agassiz, Augustus Addison Gould
Comparative PhysiologyZoologyComparative Zoology
Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb.
Writing a summary for young readers…
For young readers
Book data: Open Library