This is a re-publication of Katherine B. Shippen's 1955 book, which is a history of the study of biology, from Aristotle to Thomas Hunt Morgan. Each chapter is

Suggestions for collecting and keeping as pets such small animals as snails, toads, worms, ants, butterflies, and starfish.

" ... traces the history of human discovery, from the establishment of classification in the eighteenth century to today's attempts to find life in space"--

Gregor Mendel's discoveries were so far in advance of their day that it wasn't until 50 years had passed that their importance was recognised by the scientific