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Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates: Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIIIHaeckel, Ernst

Science

Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates: Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

Name: Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates: Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII
Author: Haeckel, Ernst

Haeckel, Ernst

Radiolaria

Fig. 9. _Sethostylus distyliscus_, n. sp.,                    × 400   428

  Fig. 10. _Sethostylus dicylindrus_, n. sp.,                   × 300   428

  Marginal view.

  Fig. 11. _Stylodiscus endostylus_, n. sp. (vel _Sethostylus
      endostylus_),                                             × 300   413

  Fig. 12. _Phacostylus amphistylus_, n. sp.,                   × 300   430

[Illustration: 1.-4. SETHOSTAURUS, 5. HELIOSTAURUS, 6. PHACOSTAURUS, 7. 8.
ASTROSTAURUS, 9.-11. SETHOSTYLUS, 12. PHACOSTYLUS.]

PLATE 32.

LEGION SPUMELLARIA.

Order DISCOIDEA.

Family PHACODISCIDA.

  Fig. 1. _Astrophacus solaris_, n. sp.,                        × 300   453

  Fig. 2. _Astrophacus apollinis_, n. sp.,                      × 300   455

  Fig. 3. _Astrophacus phacodiscus_, n. sp.,                    × 300   454

  Vertical section through the centrum.

  Fig. 4. _Astrosestrum ephyra_, n. sp.,                        × 300   442

  Fig. 4_a_. Transverse section through the double medullary
      shell,                                                    × 300   442

  Fig. 5. _Astrosestrum nauphanta_, n. sp.,                     × 300   442

  Fig. 6. _Phacostylus caudatus_, n. sp. (vel _Astrosestrum
      caudatum_),                                               × 200   431

  Fig. 7. _Perizona scutella_, n. sp.,                          × 400   427

  Fig. 8. _Perizona pterygota_, n. sp.,                         × 400   427

  Fig. 8_a_. Medullary shells and radial beams connecting
      them with the disk,                                       × 300   427

[Illustration: 1.-3. ASTROPHACUS, 4.-6. ASTROSESTRUM, 7. 8. PERIZONA.]

PLATE 33.

LEGION SPUMELLARIA.

Order DISCOIDEA.

Family PHACODISCIDA.

  Fig. 1. _Sethodiscus lenticula_, n. sp.,                      × 300   423

  Fig. 2. _Sethodiscus lenticula_, n. sp.,                      × 300   423

  Vertical section.

  Fig. 3. _Sethodiscus macrococcus_, n. sp.,                    × 300   423

  Young shell, not yet closed, seen from the margin.

  Fig. 4. _Periphæna cincta_, n. sp.,                           × 400   426

  Fig. 5. _Triactiscus tricuspis_, n. sp.,                      × 300   432

  Marginal view.

  Fig. 6. _Triactiscus tripyramis_, n. sp.,                     × 400   432

  Fig. 7. _Heliodiscus cingillum_, n. sp.,                      × 300   448

  Fig. 8. _Heliodiscus asteriscus_, n. sp.,                     × 300   445

  Fig. 9. _Heliodrymus dendrocyclus_, n. sp.(vel _Heliocladus
      dendrocyclus_),                                           × 300   451

[Illustration: 1.-3. SETHODISCUS, 4. PERIPHAENA, 5. 6. TRIACTIS, 7. 8.
HELIODISCUS, 9. HELIOCLADUS.]

PLATE 34.

LEGION SPUMELLARIA.

Order DISCOIDEA.

Family PHACODISCIDA.

  Fig. 1. _Sethostylus dentatus_, n. sp. (vel _Heliostylus
      dentatus_),                                               × 300   429

  Upper half of the disk.

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Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates: Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

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