Two or three masks strove to knock his moccoletto out of his hand; but Albert, a first-rate pugilist, sent them rolling in the street, one after the other, and continued his course towards the church of San Giacomo.
There are no more uses of "pugilism" in the book.
Show samples from other sources
I guess my dad considered it a matter of time before one of us was faced with a low-flying pugilist and either hurt someone badly or got badly hurt himself.
Marcus Luttrell -- Lone Survivor
Here, to his great amazement, he was stopped by Joe’s suddenly working round him with every demonstration of a fell pugilistic purpose.