PLATE 18.
Legion SPUMELLARIA.
Order SPHÆROIDEA.
Families Liosphærida et Astrosphærida.
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| PLATE 18. | |||
| Liosphærida et Astrosphærida. | |||
| Diam. | Page. | ||
Fig. 1. Centrocubus cladostylus, n. sp., | × | 100 | [278] |
| Fig. 2. Octodendron spathillatum, n. sp., | × | 300 | [280] |
| The entire inner shell, but a small part only of the outer shell is represented. | |||
| Fig. 3. Octodendron cubocentron, n. sp., | × | 400 | [279] |
| The central capsule (somewhat irregular by compression?) exhibits a large excentric nucleus (probably dislocated artificially?). | |||
| Fig. 4. Octodendron spathillatum, n. sp., | × | 800 | [280] |
| Free distal end of a radial spine, with the spathillæ on the end of the branches. | |||
| Fig. 5. Rhizosphæra serrata, n. sp., | × | 300 | [284] |
| Fig. 6. Rhizosphæra serrata, n. sp., | × | 300 | [284] |
| Medullary shell. | |||
| Fig. 7. Rhizosphæra serrata, n. sp., | × | 600 | [284] |
| A single radial spine. | |||
| Fig. 8. Plegmosphæra exodictyon, n. sp., | × | 200 | [89] |
| The central shell-cavity encloses the spherical central capsule and the concentric nucleus. | |||
| Fig. 9. Spongodrymus elaphococcus, n. sp., | × | 150 | [272] |
| The entire inner shell, but only a small part of the outer spongy envelope is represented. | |||
PLATE 19.
Legion SPUMELLARIA.
Order SPHÆROIDEA.