In the "The Fall of the House of Usher" how is a formal vocabulary used?Edgar A. Poe

Fluent in several languages, Edgar Allan Poe employed
words often because of their sounds and connotations as well as their denotations.  For
instance, it seems that Poe prefers those of Latin derivation in his story "The House of
Usher"; perhaps the antiquity of this language parallels that of the Usher mansion and
the family tree, as well.  One such example of this use of Latin words is in the
description of the family in the third paragraph:

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it was this deficiency, perhaps, of
collateral issue, and the consequent
undeviating transmission, from sire to son, of the
patrimony with the name which had, at length, so identified
the two as to merge the original title of the
estate in the quaint and
equivocal appellation of the "House of Usher"--an
appellation which seemed to include, in the minds of the
peasantry who used it, both the family and the family
mansion.

In
addition to his use of antiquated and more formal words, much of the structure of the
sentences in this narrative also demonstrates Poe's knowledge of Romance languages and
Latin with their more formal structure than commonplace English. One instance of this
use of Latin-type sentence structure is the placement of the subject of the sentence at
the end:

To an
anomalous species of terror I found him a bounden
slave.

Such a long sentence
as this one is not to be found often, either, and certainly not in informal
language:

A
cadaverousness of complextion; an eye large, liquid, and luminous beyond comparison;
lips somewhat thin and very pallid, but of a surpassingly beautiful curve; a nose of a
delicate Hebrew model, but with a breadth of nostril unusual in similar formation; a
finely moded chin, speaking, in its want of prominence, of a want of moral energy; hair
of a more than weblike softness and tenuity; these features
[features, here, is the subject of the sentence], with an
inordinate expansion above the regions of the temple, made up altogether a countenance
not easily to be
forgotten.

Indeed, Poe's
story of "The House of Usher" exhibits much formal language.  This language in such
sentences as

A
settle apathy, a gradual wasting away of the person, and frequent although transient
affections of a partially cataleptical character, were the unusual
diagnosis.

creates a
mysterious, antiquated atmosphere--one that shrouds a horrific conclusion to Poe's
bizarre tale.