^g ERRATA 



15*) 6 August 1958 



° ~— g 1. Page 11, pax. 3> last sentence should read, 



S — — <=> "Size determinations become less reliable with 



m time, however, and the sizes determined for the 



2 g 10- and 11-month panels may not be representative. 



^— m 



=|= 2. Page 23, par. 5» first sentence should read, 



^^ D "Total wet weight of fouling accumulated at the 



— — rate of 31 ounces per square foot per year for 



^^ the period April 1956 to April 1957." 



