PJ\ET B iB a tabular Bummary of test "board data recor^'^ed during 

 1951^-19112 at several hundred locations. The majority of these locations 

 are in the Middle Atlantic harbors; the others are scattered along the 

 South Atlantic and Gulf ports in the Caribbean islands; in Venezuela 

 and Brazil; in Italy; along the Pacific coast southerly from Adak, Alaska; 

 and in the Hawaiian and other Pacific islands, Australia, and New Zealand. 



Additional information on this subject may be found in the intro- 

 duction to "Harbor Reports on Marine Borer Activities," HavDocks T-k^, 

 recently published by this Bureau, and in other publications listed in 

 the References at the end of Section 1. 



The test data were compiled from daily reports prepared by the 

 "biological staff of the William F. Clapp Laboratories. Mich of the more 

 recent ;test-board- panel analytical and evaluation work was done by 

 Mrs. Dorothy Brown and Miss Irene Damon of that staff, and the assembly 

 of the resiilting information into its present form was accomplished by 

 Dr. Arthur Ehoads, also of the Clapp Laboratories. Dr. Ehoads also 

 prepared charts of each of the surveyed harbors, showing the location, 

 of each test board. These charts are available for reference In the 

 files of the Research Division of the Bureau of Yards and Docks, Navy 

 Department, Washington, D, C., and in the Clapp Laboratories at 

 Duxbury, Mass. 



iv 



