Dental decor from Mocca, 1928.

From Die Muskete, 1933.

"The lion and the unicorn."  From A History of Caricature and Grotesque in Literature and Art by Thomas Wright, 1875.  This should be of interest: A Field Guide to Identifying Unicorns by Sound.

From Nature's Secrets by John H. Ruttley, 1875.

"Laughing gas."  From Ambition magazine, 1911.

"Attempted escape of the maniac."  From The Wild Witch of the Heath, or the Demon of the Glen by Wizard, 1841.

"She was much perplexed, for a new bead was added to the string."  From The Necklace of Princess Fiorimonde and Other Stories by Mary de Morgan, 1880.

From Hearst's Magazine, 1913.

"The Screw-Up-Your-Courage Duel.  A piece of inch board is strapped over the heart of each combatant.  The braces are placed in position and when the signal is given, the man who gets through first wins."  From The Sketch, 1910.

"An umbrella with sponges to absorb the collected water and avoid dripping," from London Magazine, 1903.

"In the cold grey dawn of the morning after," from Pearson's, 1905.

You've seen faces drawn on the sun, but the trend goes all the way back.  From Le Rire, 1896.

The end, with a stomp on a serpent.  From Theosophy Or Christianity, Which? by Isaac Massey Haldeman, 1893.

It isn't a blue monkey with a pink tail.  From The Harvard Lampoon, 1878.