[Answer]

19.

There is an article of common domestic consumption, whose name contains six letters, from which may be formed twenty-two nouns, without using the plurals. What is it?

[Answer]

20.

What word is that, of two syllables, to which if you prefix one letter, two letters, or two other letters, you form, in each instance, a word of one syllable?

[Answer]

21.

What was the favorite salad at the South, in the spring of 1861?

[Answer]