Transcriber's note:

Corrections/alterations from the original can be found at the end of the book. Larger images are available by clicking the images, and on the links for negative (black on white) images. These may not work on all devices.

The cover image was created by the transcriber and is placed in the public domain.

PRACTICAL HELPS IN NATURAL HISTORY
BY THE SAME AUTHOR


INSECTS
HOW TO CATCH AND HOW TO PREPARE THEM FOR THE CABINET

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FIELD BOTANY
A HANDBOOK FOR THE COLLECTOR

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