PLATE 91
RECENT RADIOLARIA. THE PACIFIC OCEAN, BOREAL ZONE
1- Pterocanium sp.; 2 - Pterocorys (?) hirundo Haeckel; 3 - Peripyramis circumtexta Haeckel; 4 - Eucecryphalus (?) bicornis (Popofksy); 5-6 - Artostrobium europa (Ehrenberg); 7-8 - Artostrobium botryocyrtium (Haeckel). 1 - st. - 40o n. l. 125o w.l.; 2-8 - r/v "Vitiaz".
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