Illustration from Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Part III. Original description follows: Plate 131. Quadrilonchida. Diam. Fig. 1. Quadrilonche mesostaura, n. sp., × 300 Fig. 2. Quadrilonche platystaura, n. sp., × 100 Fig. 3. Xiphoptera dodecactena, n. sp., × 200 The central capsule with the central part of the skeleton. Fig. 4. Lonchostaurus bifurcus, n. sp., × 300 Fig. 5. Lonchostaurus crystallinus, n. sp., × 400 Fig. 6. Lonchostaurus rhomboides, n. sp., × 200 The radial spines are completely enclosed in the rhombic calymma, the surface of which is covered with small plates, similar to those in the shell of the Sphærocapsida. Fig. 7. Zygostaurus amphithectus, n. sp., × 300 The square central capsule envelops the half skeleton. Fig. 8. Zygostaurus sagittalis, n. sp., × 300 Fig. 9. Lithoptera tetraptera, n. sp., × 300 Fig. 10. Lithoptera quadrata, n. sp., × 300 The central part of the skeleton is enclosed by the four-lobed central capsule.
Illustration from Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Part III. Original description follows: Plate 140. Belonaspida, Hexalaspida et Diploconida. Diam. Fig. 1. Diploconus amalla, n. sp., × 300 Fig. 2. Diploconus hexaphyllus, n. sp., × 300 Fig. 3. Diploconus cyathiscus, n. sp., × 300 Fig. 4. Diploconus cotyliscus, n. sp., × 400 Polar view. Fig. 5. Diplocolpus serratus, n. sp., × 300 Fig. 6. Diplocolpus cristatus, n. sp., × 400 Fig. 7. Diplocolpus costatus, n. sp., × 400 Fig. 8. Diplocolpus sulcatus, n. sp., × 300 Fig. 9. Diplocolpus dentatus, n. sp., × 300 Meridional section through the centre of the shell. Fig. 10. Hexacolpus infundibulum, n. sp., × 300 Fig. 11. Hexacolpus trypanon, n. sp., × 300 Fig. 12. Hexaconus echinatus, n. sp., × 300 Fig. 13. Coleaspis vaginata, n. sp., × 300 Meridional section through the shell. Fig. 14. Coleaspis hydrotomica, n. sp., × 400 Fig. 15. Hexonaspis hexapleura, n. sp., × 400 A single spine with its thick apophyses. Fig. 16. Hexonaspis hastata, n. sp., × 400