More frequently they are considered as one pronoun.

They led one another, as it were, into a high pavilion of their
thoughts.--HAWTHORNE.

Men take each other's measure when they react.--EMERSON.

Exercise.--Find sentences containing three distributive pronouns.


NUMERAL PRONOUNS.

[Sidenote: _Definition and examples_.]

135. The NUMERAL PRONOUNS are those which stand for an uncertain
number or quantity of persons or things.

The following sentences contain numeral pronouns:--

Trusting too much to _others'_ care is the ruin of _many_.

'Tis of no importance how large his house, you quickly come to
the end of _all_.

_Another_ opposes him with sound argument.

It is as if _one_ should be so enthusiastic a lover of poetry as
to care nothing for Homer or Milton.