TtoTfo pge of H.M.S.' Challenger ? 



Kadiolaria. P1.30. 



E-KaecfeJUnd AMtschDel 



1.2.C0CC0DISCUS- 3 .4 LITHOCYCLIA 5 0. COCCOCYCLIA 



7 .8 ASTROCYCLIA 



MtschJena.Lithoj 



