--LONGFELLOW (FROM DANTE).


151. The INTERROGATIVE ADJECTIVES are _which_ and _what_. They may
be used in direct and indirect questions. As in the pronouns, _which_
is selective among what is known; _what_ inquires about things or
persons not known.

[Sidenote: _In direct questions._]

Sentences with _which_ and _what_ in direct questions:--

_Which_ debt must I pay first, the debt to the rich, or the debt
to the poor?--EMERSON.

But when the Trojan war comes, _which_ side will you take?
--THACKERAY.

But _what_ books in the circulating library circulate?--LOWELL.

_What_ beckoning ghost along the moonlight shade
Invites my steps, and points to yonder glade?--POPE.

[Sidenote: _In indirect questions._]

Sentences with _which_ and _what_ in indirect questions:--

His head...looked like a weathercock perched upon his spindle
neck to tell _which_ way the wind blew.--IRVING.