Smithsonian Report. 1947. — Schultz 



Plate 7 



1. Slate-Pencil Sea Urchin 

 This was abundant on the lithothamnium ridge both in 1946 and 1947. 



2. Capt C. L. Engleman iLEFTi AND A Navy Diver Have Just Brought up a 40-1nch- 

 LoNG Clam, the Giant Tridachna 



