TABLE XI 



Rearing in "Boothbny Harbor" type t ank 



Group V 

 Date Quantity Per cent 



Percentage Survi val 

 Age Quantity Per cent 



R emarks : The 18th day, these larvae have died after a stoppage of 

 the water circulation; 7.9^ had reached the 3d and 4th stages o 



TABLE XII 



Rearing in "Bo othbay Har bo r" t^/pe tanjc 



Group VI 

 Date Quantity Per cent 



Pe rcentage Siirvival 

 Age Quantity Per cent 



Larvae liberated in sea. 

 Date Quantity 



T/^LE XIII 

 Rearing in "Boo th bay Ha rbor" type tank 

 GrTup IX ' 

 Date Quantity Per cent 



Porcentnge Survival 



Age 'Quantity Per cent 



Larvae liberated in sea 



Remarks i 



Dat e Quant ity 



Larvae to 2d stage Age 



" " 4th " • ■ " 



TABLE XIV 



Larvae reaching the 4th stage 



Group Quantity ' Larvae to 4th stage 



Koo Per cent 



GR/.ND TOTAL: 



33 



