Flea schema from Micrographia, 1665 London
Hooke, Robert. 1665. Micrographia: or, Some physiological descriptions of minute bodies made by magnifying glasses. With observations and inquiries thereupon / by R. Hooke ... London: Printed by J. Martyn and J. Allestry.
Schema 34 - "Of flea."
Source library: The Donald F. and Mildred Topp Othmer Library of Chemical History, Chemical Heritage Foundation, Philadelphia, USA.
Record link: http://othmerlib.chemheritage.org/record=b1045122~S3
This image is in the public domain.