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                               PROCEEDINGS
                                 OF THE
                           CALIFORNIA ACADEMY
                                   OF
                            NATURAL SCIENCES.

                               VOLUME III.

                               1863-1867.

                             SAN FRANCISCO:
                        PUBLISHED BY THE ACADEMY.
                                  1868.




The date of publication of each sheet will be found at the bottom of
pages. The sheets of this volume have been circulated separately, and
also in annual parts, as follows:

  Part I, p.    1-96, for 1863, printed in April to December, 1863.
   ”  II, p.  97-176, for 1864,      ”     January to December, 1864.
   ” III, p. 177-272, for 1865-6,    ”  