His horse was a mettlesome colt that had not been worked during the harvest, and he plunged down the dim, winding trail as if, indeed, to verify Jerry's fears.
"The Desert of Wheat"
Zane Grey
Socks, the most restive and mettlesome of the horses, started and whinnied as burning leaves struck him.
"The Pioneers"
Katharine Susannah Prichard
But that very evening, before the note was posted, Miss Levey's present came, a pair of chimney ornaments-bronzed Arabs taming mettlesome steeds-brought by a young man who might have been either a cousin or a pawnbroker's assistant.
"The Debit Account"
Oliver Onions