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

by Ernst Haeckel

Order DISCOIDEA.

Family Phacodiscida.

PLATE 32. Phacodiscida. Diam. Page. 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. 4a. 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. 8a. Medullary shells and radial beams connecting them with the disk, × 300 [427]

PLATE 32.
Phacodiscida.
Diam.			Page.
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. 4a. 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. 8a. Medullary shells and radial beams connecting them with the disk,	×	300	[427]

PLATE 33.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family Phacodiscida.

PLATE 33. Phacodiscida. Diam. Page. 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]