_To the zealous and able friends of science_,
JNO. B. DAVIDGE, A. M. M. D. _and_
JAMES COCKE, M. D.
_Joint Professors of Anatomy, Surgery, &c.
In the College of Medicine of Maryland;
These pages are inscribed as a
Sincere testimony of
Respect and esteem,
By the
AUTHOR._
[Illustration] _The necessity of publication, will apologize, to my
friends, for the form this essay has taken._