/IDemoirs of tbe /iDuseum of Comparative Zoology 



AT HARVARD COLLEGE. 

 Vol. XLI. No. 1. 



REPORTS ON THE SCIENTIFIC RESULTS OF THE EXPEDITION TO THE 

 EASTERN TROPICAL PACIFIC, IN CHARGE OF ALEXANDER AGASSIZ, 

 BY THE U. S. FISH COJNIMISSION STEAMER "ALBATROSS," FROM 

 OCTOBER, 1904, TO MARCH, 1905, LIEUT. COMMANDER L. M. GARRETT, 

 U. S. N., COMMANDING, AND OF OTHER EXPEDITIONS OF THE "ALBA- 

 TROSS," 1888-1904. 



XXI. 



THE SPONGES. 



1. THE GEODIDAE. 



By ROBERT VON LENDENFELD 



WITH rORTV-EiaUT I'LATES. 



[Published by permission of George M. Bowers, U. S. Commissioner of Fish and Fisheries. 



CAMBRIDGE, U. S. A.: 



lPrtnte5 for tbe /iDuseum. 



August, 1910. 



