a natural sleep." The
language of the press generally has been highly commendatory, and if
Dr. Mayo had occupied so conspicuous a rank as Prof. Simpson, of
Edinburgh, his new anaesthetic would have been adopted at once in every
college of America and Europe.

* * * * *

THE OPEN COURT.

PUBLISHED BY

The Open Court Publishing Company,

Rooms 41 and 42,
169-175 LA SALLE STREET,
CHICAGO.

B. F. UNDERWOOD, SARA A. UNDERWOOD,
_Editor and Manager_. _Associate Editor_.

The _Open Court_ is a high-class, radical free-thought Journal,
devoted to the work of exposing religious superstition, and
establishing religion upon the basis of science.

It is opposed to all forms of sectarianism, and discusses all subjects
of interest in the light of the fullest knowledge and the most matured
thought of the age.

It has for contributors the leading thinkers and writers of the old
and new world. Among those who contribute to its columns are the
following writers:--

Prof. Max Muller, of Oxford. Wm. J. Potter.
Richard A. Proctor. Elizabeth Cady Stanton.
Albert Revielle. Frederick May Holland.
Edmund Montgomery, M.D. Anna Garlin Spencer.
Prof. E. D. Cope. B. W. Ball.
Col. T. W. Higginson. Felix L. Oswald, M.D.
Prof. Leslie F. Ward. Theodore Stanton.
Prof. Henry C. Adams. Mrs. Celia P. Wooley.
Jas. Parton. E. C. Hegeler.
Geo. Jacob Holyoake. Dr. Paul Carus.
John Burroughs. Lewis G. James.
S. V. Clevenger, M.D. Mrs. Hypatia B. Bonner.
John W. Chadwick. Wm. Lloyd Garrison, Jr.
M. J. Savage. M. C. O'Byrne.
Moncure D. Conway. Samuel Kneeland, M.D.
Daniel Greenleaf Thompson. Prof. Van Buren Denslow.
Prof. Thomas Davidson. Mrs. Edna D. Cheney.
Gen. J. G. R. Forlong. Wm. Clark, A.M.
Prof. W. D. Gunning. Clara Lanza.
Gen. M. M. Trumbull. C. D. B. Mills.
W. M. Salter. Al