CONTENTS. 
REPORTS on the Scientific Results of the Expedition to the Eastern Tropical Pacific, 
in charge of ALEXANDER AGassiz, by the U. 5. Fish Commission Steamer “ Albatross,” 
from October, 1904, to March, 1905, Lieut. Commander L. M. Garrett, U. S. N., 
Commanding, and of other expeditions of the “ Albatross,” 1891-1899. XXIX. THE 
Sponges. 3. Hexactinellida. By Ropert von LeNDENFELD. 397 pp. 109 Plates. 
June, 1915. 
