English: Illustration from Report on the Radiolaria collected by Challenger during the years 1873-1876. Part III. Original description follows: Plate 120. Medusettida. Diam. Fig. 1. Medusetta codonium, n. sp., × 400 Fig. 2. Medusetta quadrigata, n. sp., × 400 The central capsule is visible in the upper half, the phæodium in the lower half of the shell-cavity. Fig. 3. Medusetta tetranema, n. sp., × 400 Fig. 4. Medusetta craspedota, n. sp., × 400 Fig. 5. Gazelletta hexanema, n. sp., × 300 Fig. 6. Gazelletta bifurca, n. sp., × 300 A single alveolate foot. Fig. 7. Gazelletta macr


English: Illustration from Report on the Radiolaria collected by Challenger during the years 1873-1876. Part III. Original description follows: Plate 120. Medusettida. Diam. Fig. 1. Medusetta codonium, n. sp., × 400 Fig. 2. Medusetta quadrigata, n. sp., × 400 The central capsule is visible in the upper half, the phæodium in the lower half of the shell-cavity. Fig. 3. Medusetta tetranema, n. sp., × 400 Fig. 4. Medusetta craspedota, n. sp., × 400 Fig. 5. Gazelletta hexanema, n. sp., × 300 Fig. 6. Gazelletta bifurca, n. sp., × 300 A single alveolate foot. Fig. 7. Gazelletta macronema, n. sp., × 200 Oral view of the shell. Fig. 8. Gazelletta macronema, n. sp., × 800 Three joints of an alveolate foot. Fig. 9. Gazelletta cyrtonema, n. sp., × 300 The upper part of the shell encloses the central capsule with its nucleus. The voluminous phæodium is prominent over the mouth. Fig. 10. Gazelletta orthonema, n. sp., × 200 The central capsule and its nucleus are visible in the shell-cavity. Fig. 11. Gazelletta schleinitzii, n. sp., × 400 Oblique apical view, with the enclosed central capsule, the nucleus of which contains numerous nucleoli. Fig. 12. Gazelletta schleinitzii, n. sp., × 300 A single alveolate foot. Fig. 13. Gazelletta trispathilla, n. sp., × 400 The middle part of a foot. Fig. 14. Gazellatta robusta, n. sp., × 300 The base of a foot, exhibiting the pores of the alveoli. Fig. 15. Gazelletta studeri, n. sp., × 400 The distal end of a foot; four alveoli filled up by air-bubbles. Fig. 16. Gazelletta dendronema, n. sp., × 300 A part of the velum, seen from the inside. The alveoles are partly filled by air. . 1887 66 Radiolaria (Challenger) Plate 120


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