"Ay, if so, and then-man to man," replied Jasper, Mutteringly.
"What Will He Do With It, Book 10."
Edward Bulwer-Lytton
And thunder rolled the name, Mutteringly soft, back and forth in the abyss before him.
"The Tunnel Under The World"
Frederik Pohl
Looking towards the casements of the attic in the opposite house, Gawtrey said, Mutteringly, "I wonder where Birnie has been, and why he has not returned.
"Night and Morning, Volume 3"
Edward Bulwer Lytton