This booklet which is puo^^oned h}/ tne 

 Iron and Steel Institute, has oeen prepared 

 in collaboration with the Admiralty Corrosion 

 GomTiiittee. Whilst its contents irjay' appear 

 to be of a somewhat academic nature, it is 

 considered that it will be of use to all 

 those who are concerned in the fouling 

 problem of ships, or interested in natural 

 history. 



The suggested docking form in this 

 pamphlet is for the Mercantile Marine^ and 

 must not be confused with the official dock- 

 ing form D,if955 which is required for Naval 

 Vessels. 



Attention of all Naval and Dockyard 

 Authorities is called to the Activities of 

 the Admiralty Gorrosion l^ommittee vide 

 AoF, 0.2923/43. Any examples of fouling 

 or queries arising therefrom should be 

 referred to t?ie Secretary of the Admiralty 

 •Corrosion Committee, Portsmouth Dockyard, 

 and not to the official.^ of the Marine 

 Gorrosion Sub-Committee. 



