DEPARTMENT OF TERRESTRIAL MAGNETISM 



J. A. Fleming, Director 



Scientific Results of Cruise VII of the Carnegie during 1928-1929 

 under Command of Captain J. P. Ault 



BIOLOGY -II 



The Oceanic Tintinnoina of the Plankton 

 Gathered during the Last Cruise 



of the Carnegie 



ARTHUR SHACKLETON CAMPBELL 



CARNEGIE INSTITUTION OF WASHINGTON PUBLICATION 537 



WASHINGTON, D. C. 

 1942 



