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 98.

Legion NASSELLARIA.

Order CYRTOIDEA.

Families Tripocalpida et Phænocalpida.

PLATE 98. Tripocalpida et Phænocalpida. Diam. Page. Fig. 1. Euscenium plectaniscus, n. sp., × 300 [1146] Half frontal, half basal view. Fig. 2. Cladoscenium pectinatum, n. sp., × 400 [1150] Shell opened by a vertical section. Fig. 3. Archiscenium cyclopterum, n. sp., × 400 [1151] View from the dorsal side. Fig. 4. Pteroscenium arcuatum, n. sp., × 400 [1152] The central capsule contains a large spherical nucleus with a nucleolus. Fig. 5. Archipera cortiniscus, n. sp., × 400 [1155] Fig. 6. Archibursa tripodiscus, n. sp., × 400 [1157] Basal view. Fig. 7. Archipilium orthopterum, n. sp., × 400 [1139] Fig. 8. Tripilidium costatum, n. sp., × 300 [1141] Fig. 8a. Central capsule in the upper part of the shell, Fig. 8b. Cortinar septum, Fig. 9. Phænoscenium hexapodium, n. sp., × 300 [1175] Fig. 10. Archiphæna gorgospyris, n. sp., × 300 [1178] Fig. 10a. Cortinar septum with four collar pores, × 300 Fig. 11. Archiphormis urceolata, n. sp., × 300 [1168] Fig. 12. Halicalyptra petalospyris, n. sp., × 400 [1169] Fig. 13. Arachnocalpis ellipsoides, n. sp., × 300 [1172] The central capsule is filled up by clear vacuoles and exhibits in the upper half the ellipsoidal nucleus and four oil-globules, in the lower half the slender striated podoconus. Fig. 13a. A piece of the network, more enlarged, × 900

PLATE 98.
Tripocalpida et Phænocalpida.
Diam.			Page.
Fig. 1. Euscenium plectaniscus, n. sp.,	×	300	[1146]
Half frontal, half basal view.
Fig. 2. Cladoscenium pectinatum, n. sp.,	×	400	[1150]
Shell opened by a vertical section.
Fig. 3. Archiscenium cyclopterum, n. sp.,	×	400	[1151]
View from the dorsal side.
Fig. 4. Pteroscenium arcuatum, n. sp.,	×	400	[1152]
The central capsule contains a large spherical nucleus with a nucleolus.
Fig. 5. Archipera cortiniscus, n. sp.,	×	400	[1155]
Fig. 6. Archibursa tripodiscus, n. sp.,	×	400	[1157]
Basal view.
Fig. 7. Archipilium orthopterum, n. sp.,	×	400	[1139]
Fig. 8. Tripilidium costatum, n. sp.,	×	300	[1141]
Fig. 8a. Central capsule in the upper part of the shell,
Fig. 8b. Cortinar septum,
Fig. 9. Phænoscenium hexapodium, n. sp.,	×	300	[1175]
Fig. 10. Archiphæna gorgospyris, n. sp.,	×	300	[1178]
Fig. 10a. Cortinar septum with four collar pores,	×	300
Fig. 11. Archiphormis urceolata, n. sp.,	×	300	[1168]
Fig. 12. Halicalyptra petalospyris, n. sp.,	×	400	[1169]
Fig. 13. Arachnocalpis ellipsoides, n. sp.,	×	300	[1172]
The central capsule is filled up by clear vacuoles and exhibits in the upper half the ellipsoidal nucleus and four oil-globules, in the lower half the slender striated podoconus.
Fig. 13a. A piece of the network, more enlarged,	×	900

PLATE 99.

Legion PHÆODARIA.

Order PHÆOGROMIA.