V OMMTKSTONER OF 



[EXTRACTED FROM TlIK HKl'i, . . '.-i' i mk . . - > .>MMihMt'iN 

 riSK ANP FISHERIES F( iJ i889 TO 18'.n. l>;u: os 5G5 to Oil.] 



PLANKTONIC STli )IES: 



A COMPARATIVE INVESTIGATION OE THE IMPORTANCE 



AND CONSTITUTION OF THE PELAGIC 



FAUNA AND FLORA. 



BY 



Em^ST H^ECKI.. 



tTRA.NSI.ATKI3 EY GrKORGE WILTON B^IT:LI3.] 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1893. 



