This work is a continuation of the author's report on the Cirripedia contained in the United States National Museum, of which the portion relating to pedunculate forms was published in 1907.

Published by the American Geophysical Union as part of the Antarctic Research Series, Volume 14.This is the first attempt to bring together what is known of the antarctic cirriped fauna in one comprehensive treatise.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations.