CONTRIBUTIONS

to

THE NATURAL HISTORY

of the
  
  UNITED STATES OF AMERICA

by

LOUIS AGASSIZ

In Four Volumes.


BOSTON:
LITTLE, BROWN AND COMPANY.
LONDON:
TRÜBNER & CO
.

1860.

Entry pages:
Volumes I and II published in 1857.  Acrobat PDF (195 Mb)
Volume I, Part I. Essay on Classification
Volume I, Part II. North American Testudinata (Turtles)
Volume II, Embryology of the Turtle

Volume III published in 1860   Acrobat PDF (156.7 Mb)
Part I. Acalephs (jellyfish)
Part II. Ctenophors

Volume IV published in 1862.  Acrobat PDF (172 Mb)
Part III. Discophors
Part IV. Hydroids (Hydras and Medusas)
Part V. Homologies of the Radiata.


This electronic edition prepared by Dr. David C. Bossard
from original documents in the library holdings of 
Dartmouth College, Hanover New Hampshire.

December, 2005.

Copyright © 2005 by David C. Bossard.