Area 



Italy (Sicily) 3l6 



Morocco ......; 51o 



Tmiisia 3l6 



Alaslca 517 



Washington 3l8 



Oregon 5l8 



California 519 



Canal Zone 522 



Hawaiian Islands 525 



Wake Island 52*^ 



Southwestern Islands of Japan . 52^ 



Marshall Islands 525 



Admiralty Islands 525 



New Hebrides Islands ,. 525 



Hew Caledonia 52? 



Australia , ' 527 



Hew Zealand i ... 327 



LIST .OF ILLaSTRATICNS 



Figure Page 



1 Limiorla attack in 19k6 on test panel, Boston Hartor .... 7 



2 Limaoria attack in 1914-7 on test panel, Boston Hartor .... 7 

 5 Limaoria and Teredinidae attacks, 1914-7, Pensacola, Florida. . 8 

 k Teredo attack in 19^5 in test panel, Pensacola, Florida ... 8 



5 Bankia setacea attack on untreated pile, Eodiak, Alas]£a ... 9 



6 Teredinidae attack on untreated pile, Eodiak, Alaska .... 9 



7 Teredinidae and Limaoria destruction of treated pile, 



Sitka, Alaska 10 



8 Teredo in inside portion of treated pile, Sitka, Alaska ... 10 



9 Teredo destruction of untreated pile, Seattle, Washlngtaa . . 11 



10 Teredo-riddled test panel, 120-day submergence, Seattle ... 11 



11 Teredinidae destruction of untreated ponderosa pile, 



129-day submergence. Hunter's Point, California ....... 12 



12 Standard Test Board for Marine Borer Investigatioa I6 



vlii 



