t. Fouling OrgaQlams . Silt;, green algae, aad inverteteate 

 animals belonging to 5 phyla contrl'buteGL to the fouling of the panels. 

 The invertebrates comprised hydroids, ■barnacles and amphipods, and non- 

 boring njollusks, which included mussels, Jingle- shells, and Saxicava . 

 The hydroids and 'bamacles occurred most freq.uently and consistently, 

 whereas the occurrence of the other invertelsrates was sporadic. 



3. Recent Addenda . There was no evidence of Teredlnidae at this 

 station in either 19^ or 19^9. The Iiimnoria attack rated medium heavy- 

 in hoth years. 



50 



