Legion SPUMELLARIA.
Order DISCOIDEA.
Family Porodiscida.
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| PLATE 45. | |||
| Porodiscida. | |||
| Diam. | Page. | ||
Fig. 1. Stauralastrum rhopalophorum, n. sp., | × | 200 | [541] |
| Fig. 2. Dicranastrum cornutum, n. sp., | × | 200 | [551] |
| Fig. 3. Hagiastrum mosis, n. sp., | × | 100 | [543] |
| Fig. 4. Hagiastrum mosis, n. sp., | × | 50 | [543] |
| Lateral view, from the edge. | |||
| Fig. 5. Hagiastrum buddhæ, n. sp., | × | 50 | [542] |
| Fig. 6. Stauralastrum cruciforme, n. sp. (in glycerine), | × | 500 | [540] |
| The central capsule contains a large central nucleus with nucleolus, and is surrounded by the jelly calymma and numerous small zooxanthellæ. The endoplasm is radially striped. | |||
| Fig. 7. Tesserastrum democriti, n. sp., | × | 100 | [548] |
| Fig. 8. Tesserastrum straussii, n. sp., | × | 500 | [547] |
| Fig. 9. Tesserastrum brunonis, n. sp., | × | 200 | [548] |
| Disk seen from the edge. | |||
| Fig. 10. Amphirhopalum echinatum, n. sp., | × | 300 | [522] |
| Fig. 11. Amphicraspedum maclaganium, n. sp., | × | 100 | [523] |
| Fig. 12. Amphicraspedum wyvilleanum, n. sp., | × | 300 | [523] |
PLATE 46.
Legion SPUMELLARIA.
Order DISCOIDEA.
Family Porodiscida.