PLATE 87.
RECENT RADIOLARIA. THE PACIFIC OCEAN, BOREAL ZONE
1-2 - Cromyechinus borealis - near to typical Cr. antarctica Dreyer; 3 - Cromyechinus borealis Cleve (?), described as Cr. bifasciculatum Dogiel; 4-9 - Stylatractus (?) pyriformis (Bailey); 4 - adult form, 5-9 - juvenal specimens. r/v "Vitiaz".
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