Page [457], "humau" changed to "human." (...natural parturition in the human mother.)
Page [459], "coporeal" changed to "corporeal." (...principles of our corporeal existence...)
Page [460], "1840" changed to "1846." (March 20, 1846)
Page [464], "Peansylvanian" changed to "Pennsylvanian." (From the Pennsylvanian, (Philadelphia,) Jan. 26, 1847.)
On page [240], an extra "an" was removed from the phrase "...to wait more than an hour..."
On page [456], the word "of" was missing from the phrase "...after a careful examination of all the cases recorded..."
On page [457], an extra "of" was removed from the phrase "the superinduction of anæsthesia."