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

PLATE 41.

Legion SPUMELLARIA.

Order DISCOIDEA.

Families Porodiscida et Spongodiscida.

PLATE 41. Porodiscida et Spongodiscida. Diam. Page. Fig. 1. Porodiscus flustrella, n. sp., × 300 [493] Fig. 2. Porodiscus perispira, n. sp., × 200 [495] The rings alone (equatorial section). Fig. 3. Porodiscus quadrigatus, n. sp., × 200 [494] The rings alone (equatorial section). Fig. 4. Porodiscus semispiralis, n. sp., × 500 [497] Fig. 5. Perichlamydium saturnus, n. sp., × 300 [499] Fig. 6. Porodiscus centrospira, n. sp. (vel Perispongidium centrospira), × 200 [495] The rings alone (equatorial section). Fig. 7. Porodiscus irregularis, n. sp. (vel Perispongidium irregulare), × 200 [498] The rings alone (equatorial section). Fig. 8. Stylodictya heliospira, n. sp., × 400 [512] Fig. 9. Stylodictya centrospira, n. sp., × 400 [512] Fig. 10. Stylochlamydium asteriscus, n. sp., × 400 [514] Fig. 11. Stylotrochus geddesii, n. sp., × 300 [585]

PLATE 41.
Porodiscida et Spongodiscida.
Diam.			Page.
Fig. 1. Porodiscus flustrella, n. sp.,	×	300	[493]
Fig. 2. Porodiscus perispira, n. sp.,	×	200	[495]
The rings alone (equatorial section).
Fig. 3. Porodiscus quadrigatus, n. sp.,	×	200	[494]
The rings alone (equatorial section).
Fig. 4. Porodiscus semispiralis, n. sp.,	×	500	[497]
Fig. 5. Perichlamydium saturnus, n. sp.,	×	300	[499]
Fig. 6. Porodiscus centrospira, n. sp. (vel Perispongidium centrospira),	×	200	[495]
The rings alone (equatorial section).
Fig. 7. Porodiscus irregularis, n. sp. (vel Perispongidium irregulare),	×	200	[498]
The rings alone (equatorial section).
Fig. 8. Stylodictya heliospira, n. sp.,	×	400	[512]
Fig. 9. Stylodictya centrospira, n. sp.,	×	400	[512]
Fig. 10. Stylochlamydium asteriscus, n. sp.,	×	400	[514]
Fig. 11. Stylotrochus geddesii, n. sp.,	×	300	[585]

PLATE 42.

Legion SPUMELLARIA.