Read it through once

Pearl mumbled something into his ear, that sounded, indeed, like human language, but was only such gibberish as children may be heard amusing themselves with, by the hour together. At all events, if it involved any secret information in regard to old Roger Chillingworth, it was in a tongue unknown to the erudite clergyman, and did but increase the bewilderment of his mind. The elvish child then laughed aloud.