Tj. Pod Urtg r OrfflmlBmn . Silt, green algae, and inverteljrate 

 animals belonging to o phyla ocmtri"buted to fouling of the panels. The 

 latter compriaed sponges, hydroido, encrusting and filamentous Bryozoa, 

 'barnacles said aitQ>hipods, miscellaneous nonboring moll^^sks, and tunicates. 

 The hydroids, hamacles, and tunicates occurred vith considerahle fre- 

 quency at all four locations and were the most in^jortant fouling organ- 

 isms. Mussels also occurred quite frequently at all four locations. The 

 occurrence of the other invertetoate animals was purely sporadic or 

 occasional. Green algae occurred on only one test panel at each of two 

 locatitms. 



5, Becent Addencia . In 19^13 and 19^9 there was no evidence of 

 Teredinidae at any of the four locations at this station. The Linmoria 

 attack was medium heavy at the first two locations each year, sllgjit 

 at location Ko. J>, and moderate at location Uo. I4- "both years. 



1^6 



