296 



Fig. 117. Martesia striata. 



1. Martesia striata from Pearl Harbor, dorsal view. X 2. 



2. Same, lateral view. 



3. Same, ventral view. 



4. Split section of a test block submerged five months at Cavite, Philippine Islands, showing 

 Martesia striata in place in burrows. The burrows exhibiting a calcareous lining are those of Teredo. 

 X 9/10. 



5. Portion of the surface of a block submerged nine months at Cavite, showing destruction by 

 Martesia striata. X 9/10. 



