Soientiflc Hesults, Presidential Cruise, 193® 
Sponges 
1)7 M. W. de leabenfels 
In th# srananer of 193® President Franklin D. Roosevelt raade a trip 
from Los Angeles to the Galapagos Islands, throng the Panama Canal (Aiagaat 
5th), stopping at Old Providence Island in the extreme vestem Carihbean 
Sea, and thence returning to Washington, D. C. Thirteen species of Porifera 
were collected and preserved hy Dr. Waldo L. Schmitt, of the U. S. H^ional 
fiJuseuw, naturalist to the expedition, with assistance from vario\u members 
of the ship's personnel. 
The sponges in the following annotated list are arranged in 
systematic order. A new species (Ho. 5 below) of the genus Marrlamitm I 
take pleasure in naming |^. roosevelti for the Presidmt of the United States, 
whose interest in marine soology made possible this very successful expedition. 
