feed on the arrow worm, Sagirta, which is collected 

 from the natural habitat. After a number of days, the 

 larvae are then fed Artemici nauplii. Although phyl- 

 losoma larvae have been reared in 180 days, their 

 size is smaller than those found in nature. They have 

 not yet reared the larvae to the benthic stage. 



ACKNOWLEDGMENTS 



Through the efforts and guidance of M. Miya- 

 niura, Vice-President of Technical Operations. 



Marifarms Incorporated, Panama City, Fla., my trip 

 was quite fruitful. Not only did he provide me with a 

 list of places to see and letters of introduction, but 

 helped arrange for Jiro Tanaka to accompany me 

 while in Japan. Jiro Tanaka's assistance was in- 

 valuable. 



Their pleasant attitude, cordial response, and vol- 

 untary gesture of discussing their research clearly 

 signified the willingness of the Japanese to cooperate 

 on this joint venture of mariculture. 



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