English: Illustration from Report on the Radiolaria collected by Challenger during the years 1873-1876. Part III. Original description follows: Plate 115. Circoporida. Diam. Fig. 1. Circoporus sexfuscinus, n. sp., × 100 The cruciform mouth is visible in the upper part of the figure, to the right. Fig. 2. Circoporus sexfuscinus, n. sp., × 200 A single radial spine, with four cruciate pores at the base. Fig. 3. Circoporus sexfuscinus, n. sp., × 600 The radiate operculum of the central capsule, with the proboscis. Fig. 4. Circospathis furcata, n. sp., × 100 Five of the nine spine
English: Illustration from Report on the Radiolaria collected by Challenger during the years 1873-1876. Part III. Original description follows: Plate 115. Circoporida. Diam. Fig. 1. Circoporus sexfuscinus, n. sp., × 100 The cruciform mouth is visible in the upper part of the figure, to the right. Fig. 2. Circoporus sexfuscinus, n. sp., × 200 A single radial spine, with four cruciate pores at the base. Fig. 3. Circoporus sexfuscinus, n. sp., × 600 The radiate operculum of the central capsule, with the proboscis. Fig. 4. Circospathis furcata, n. sp., × 100 Five of the nine spines are visible, two others (on the upper face) broken off. Between the latter the pentagonal mouth (with five teeth). Fig. 5. Circospathis furcata, n. sp., × 300 The mouth with its five teeth. Fig. 6. Circospathis furcata, n. sp., × 400 A piece of the shell with a radial spine. Fig. 7. Circospathis furcata, n. sp., × 400 Vertical section through the base of a radial spine, to show the central funicle. Fig. 8. Circogonia dodecacantha, n. sp., × 100 The central capsule with the elliptical nucleus (to the right) and the dark phæodium (to the left) are visible, in the upper part (to the left) the mouth of the shell, with six teeth. Fig. 9. Circogonia dodecacantha, n. sp., × 400 A fragment of the shell, exhibiting its peculiar structure (needles tangentially scattered in the cement of the porcellanous substance), and a circle of nine pores around the base of a broken spine. Fig. 10. Circospathis tetrodonta, n. sp., × 400 The mouth with four teeth, in profile view. . 1887 66 Radiolaria (Challenger) Plate 115
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