[Footnote 506: Pomona. The Roman goddess of fruit trees and gardens.]

[Footnote 507: All duly arrive. Emerson deducts from nature the
doctrine of evolution. What is its teaching?]

[Footnote 508: Plato. (See note 36.)]

[Footnote 509: Himalaya Mountain chains. (See note 193.)]

[Footnote 510: Franklin. Give an account of Benjamin Franklin, the
famous American scientist and patriot. What did he prove about
lightening?]

[Footnote 511: Dalton. John Dalton was an English chemist who, about
the beginning of the nineteenth century, perfected the atomic theory,
that is, the theory that all chemical combinations take place in
certain ways between the atoms, or ultimate particles, of bodies.]

[Footnote 512: Davy. (See note 69.)]

[Footnote 513: Black. Joseph Black, a Scotch chemist who made valuable
discoveries about latent heat and carbon dioxide, or carbonic acid
gas.]

[Footnote 514: The astronomers said, etc. Beginning with this passage,
several pages of this essay was published in 1844, under the title of
_Tantalus_, in the next to the last number of _The Dial_, which
Emerson edited.]

[Footnote 515: Centrifugal, centripetal. Define these words.]