5. Recent Addenda . There was a very heavy attack of Teredlnldae 

 on the "board at the Timber Wharf in both 19^8 and 19^9- The Llninorla 

 attack was moderate in 19l<-8 and only slight in 19^9 at this location. 

 At the "board aear the "1010 Wharf", the attack by Teredinidae was very 

 heavy in both 1948 and 19^9- Limnoria were also very heavy here both 

 years. The test board at the DE Wharf was attacked very heavily by 

 Teredinidae in both 1948 and 19^9. The Limnoria attack here rated 

 very heavy in 19l|.8 and medium heavy the following year. There was 

 a Blight attack by Pholads ( Hiata and Maxtesia ) in 19^8 but none 

 appeared here in 19^9 ♦ These Pholads appeared as traces on the board 

 at the "1010 Wbarf " both years. The attack from Teredinidae sets was 

 very heavy in both 1948 and 19^9 at the Fuel Oil Pier. Limnorija rated 

 Blight at this location both years. A slight attack of Pholads ( Hiata 

 and tfaxtesla ) appeared on the board at the Fuel Oil Pier in 1948. In 

 1949* the appearance of Pholads rated as a mere trace. 



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