What are four similes used in "The Lady of Shallot"?

Let us remind ourselves that similes are comparisons
established between one thing and another indicated by the word "like" or "as." They are
very different from metaphors, which likewise compare one thing with another but they
assert the comparison directly without the need for "like" or "as." If we view the poem
with this in mind, we see that the poem does not use any similes at all until Part III
and the arrival of Sir Launcelot on the scene. Note the way that similes are used to
describe his appearance and imbue him with a vitality and life that heightens the
contrast to the dull existence of the Lady of
Shallot:

The
gemmy bridle glittered free,

Like to some branch of stars
we see

Hung in the golden
Galaxy.

Likewise we are told
in the next stanza that:

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The helmet and the helmet
feather

Burned like one burning flame
together

The focus on
comparing him to a flame and then to stars glittening at night combine to make him
attractive and distinct, full of life and vibrant. His appearance is then compared to a
meteor in another simile:

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As often through the purple
night,

Below the starry clusters
bright,

Some bearded meteor, trailing
light,

Moves over still
Shallot.

Lastly, a simile is
used to describe the Lady of Shallot herself in Part IV of the poem and her appearance
as she looks down to Camelot in her boat:

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And down the river's dim
expanse

Like some bold seer in a
trance,

Seeing all his own
mischance--

With a glassy
countenance

Did she look to
Camelot.

This simile
indicates the way in which the Lady of Shallot is contemplating her own doom, now that
she has made the curse come upon herself through her actions and embraced
life.