< Report on the Radiolaria

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 42.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family Porodiscida.


PLATE 42.
Porodiscida.
Diam. Page.
Fig. 1. Staurodictya elegans, n. sp., × 500 507
Fig. 2. Staurodictya ciliata, n. sp., × 400 506
Fig. 3. Staurodictya medusa, n. sp., × 400 506
Fig. 4. Staurodictya cruciata, n. sp., × 300 507
Fig. 5. Staurodictya cruciata, n. sp., × 300 507
Vertical section through the disk.
Fig. 6. Staurodictya grandis, n. sp., × 300 508
Vertical section through the disk.
Fig. 7. Tripodictya triacantha, n. sp., × 400 505
Fig. 8. Tripodictya trigonaria, n. sp., × 400 505
Fig. 9. Tripodictya tribelonia, n. sp., × 400 505
Vertical section through the disk.
Fig. 10. Xiphodictya amphibelonia, n. sp., × 300 503
Marginal view.
Fig. 11. Xiphodictya amphirrhopalia, n. sp., × 400 504
Fig. 12. Xiphodictya staurospira, n. sp., × 500 504



PLATE 43.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family Porodiscida.


PLATE 43.
Porodiscida.
Diam. Page.
Fig. 1. Rhopalastrum malleus, n. sp., × 100 527
Fig. 2. Rhopalastrum ypsilinum, n. sp., × 50 528
Fig. 3. Rhopalastrum hexaceros, n. sp., × 100 529
Fig. 4. Rhopalastrum triceros, n. sp., × 50 529
Fig. 5. Rhopalastrum trispinosum, n. sp. (vel Dictyastrum trispinosum), × 150 525
Fig. 6. Rhopalastrum arcticum, n. sp., × 300 539
Fig. 7. Rhopalastrum hexagonum, n. sp. (vel Dictyastrum hexagonum), × 100 525
Fig. 8. Rhopalastrum irregulare, n. sp., × 100 528
Fig. 9. Euchitonia lanceolata, n. sp., × 80 534
Fig. 10. Euchitonia carcinus, n. sp., × 300 535
Fig. 11. Euchitonia echinata, n. sp., × 120 536
Fig. 12. Euchitonia stohrii, n. sp., × 100 534
Fig. 13. Hymeniastrum euclidis, n. sp., × 200 531
Fig. 14. Chitonastrum jugatum, n. sp., × 200 537
Fig. 15. Chitonastrum lyra, n. sp., × 500 538
A living specimen observed. The entire shell is enveloped by the calymma and surrounded by radiating pseudopodia (drawn much too short). Between the two paired arms arises a large "sarcode-flagellum." The central chamber and the first enveloping ring are filled by the clear nucleus; the other rings and all the chambers of the arms contain numerous pink oil-globules.
Fig. 16. Trigonastrum regulare, n. sp. (vel Chitonastrum regulare), × 200 539



PLATE 44.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family Porodiscida.


PLATE 44.
Porodiscida.
Diam. Page.
Fig. 1. Stephanastrum capitatum, n. sp., × 200 549
Fig. 2. Pentinastrum asteriscus, n. sp., × 300 557
Fig. 3. Pentalastrum ophidiaster, n. sp., × 100 557
Fig. 4. Hexinastrum geryonidum, n. sp., × 300 560
Fig. 5. Hexalastrum orchidaceum, n. sp., × 50 560
Fig. 6. Amphibrachium dilatatum, n. sp., × 50 517
Fig. 7. Amphymenium zygartus, n. sp., × 400 520
Fig. 8. Amphymenium pupula, n. sp., × 300 519
Fig. 9. Amphymenium amphistylium, n. sp., × 200 520
Fig. 10. Amphicraspedum murrayanum, n. sp., × 300 523
Fig. 11. Amphymenium monstrosum, n. sp., × 300 520



PLATE 45.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family Porodiscida.


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.


PLATE 46.
Porodiscida.
Diam. Page.
Fig. 1. Histiastrum boseanum, n. sp., × 400 546
Fig. 2. Histiastrum pentadiscus, n. sp., × 200 546
Fig. 3. Histiastrum quadrigatum, n. sp., × 300 544
Fig. 4. Histiastrum velatum, n. sp., × 200 545
Fig. 5. Stephanastrum quadratum, n. sp., × 200 549



PLATE 47.

Legion SPUMELLARIA.

Order DISCOIDEA.

Family Porodiscida.


PLATE 47.
Porodiscida.
Diam. Page.
Fig. 1. Dicranastrum bifurcatum, n. sp., × 200 552
Fig. 1a. Central disc of the same, × 600
Fig. 2. Dicranastrum furcatum, n. sp., × 100 550
Fig. 3. Dicranastrum wyvillei, n. sp., × 100 551
Fig. 4. Pentophiastrum forcipatum, n. sp., × 50 559
Fig. 5. Pentophiastrum caudatum, n. sp., × 50 559
Fig. 6. Myelastrum papilio, n. sp., × 50 554
Fig. 7. Myelastrum decaceros, n. sp., × 20 554
Fig. 8. Myelastrum heteropterum, n. sp., × 20 553
Fig. 9. Myelastrum anomalum, n. sp., × 50 556
Fig. 10. Myelastrum farfalla, n. sp., × 50 554
Fig. 11. Myelastrum dodecaceros, n. sp., × 100 554
Fig. 12. Myelastrum octocorne, n. sp., × 90 553
Fig. 13. Myelastrum medullare, n. sp., × 50 553



PLATE 48.

Legion SPUMELLARIA.

Orders PRUNOIDEA et DISCOIDEA.

Families Ellipsida, Artiscida, Spongurida, Cenodiscida, Porodiscida et Pylodiscida.


PLATE 48.
Ellipsida, Artiscida, Spongurida, Cenodiscida, Porodiscida et Pylodiscida.
Diam. Page.
Fig. 1. Cenodiscus phacoides, n. sp., × 100 411
Fig. 1a. Vertical section.
Fig. 2. Crucidiscus endostaurus, n. sp., × 200 416
Equatorial section.
Fig. 3. Trochodiscus stellaris, n. sp., × 200 418
Fig. 4. Axoprunum stauraxonium, n. sp., × 300 298
Equatorial section.
Fig. 5. Stylartus bipolaris, n. sp., × 200 357
Vertical section.
Fig. 6. Spongocore puella, n. sp., × 300 347
Fig. 7. Spongoprunum amphilonche, n. sp., × 300 347
Fig. 8. Stomatodiscus osculatus, n. sp., × 600 503
Fig. 9. Archidiscus stauroniscus, n. sp., × 400 487
Fig. 9a. Marginal view.
Fig. 10. Archidiscus hexoniscus, n. sp., × 400 488
Fig. 10a. Marginal view.
Fig. 11. Archidiscus pyloniscus, n. sp., × 400 488
Fig. 11a. Marginal view.
Fig. 12. Triolena primordialis, n. sp., × 800 564
Fig. 13. Triopyle hexagona, n. sp., × 600 565
Fig. 14. Triodiscus spinosus, n. sp., × 600 565
Fig. 15. Pylolena armata, n. sp., × 300 568
Fig. 16. Hexapyle dodecantha, n. sp., × 300 569
Fig. 17. Pylodiscus triangularis, n. sp., × 400 570
Fig. 18. Discozonium hexagonium, n. sp., × 400 572
Fig. 19. Discopyle osculata, n. sp., × 400 573
Fig. 20. Discopyle elliptica, n. sp., × 400 573



PLATE 49.

Legion SPUMELLARIA.

Order LARCOIDEA.

Families Lithelida, Streblonida, Phorticida et Soreumida.


PLATE 49.
Lithelida, Streblonida, Phorticida et Soreumida.
Diam. Page.
Fig. 1. Spirema melonia, n. sp., × 300 692
Fig. 2. Lithelius solaris, n. sp. (the first central convolutions only), × 300 695
Fig. 3. Larcospira quadrangula, n. sp., × 300 696
Fig. 4. Pylospira octopyle, n. sp., × 300 698
Fig. 5. Tholospira cervicornis, n. sp., × 300 700
Fig. 6. Tholospira dendrophora, n. sp., × 300 700
Fig. 7. Spironium octonium, n. sp., × 300 701
Fig. 8. Streblacantha siderolina, n. sp., × 300 706
Fig. 8a. Outlines of the chambers, × 200
Fig. 9. Streblopyle helicina, n. sp., × 300 707
Fig. 10. Phorticium pylonium, n. sp., × 300 709
Fig. 11. Spongophortis larnacilla, n. sp., × 200 711
Fig. 11a. The upper half of the cortical shell is removed.
Figs. 11b to 11d. The enclosed medullary Larnacilla-shell. b, Dorsal view; c, lateral view; d, basal view.
Fig. 12. Soreuma irregulare, n. sp., × 200 713
Fig. 13. Sorolarcus larnacillifer, n. sp., × 300 715



PLATE 50.

Legion SPUMELLARIA.

Order LARCOIDEA.

Families Larcarida, Larnacida et Zonarida.


PLATE 50.
Larcarida, Larnacida et Zonarida.
Diam. Page.
Fig. 1. Larnacilla typus, n. sp., × 300 617
From the sagittal pole (dorsal view).
Fig. 1a. From the lateral pole (sagittal section).
Fig. 1b. From the principal pole (equatorial section).
Fig. 2. Larnacalpis lentellipsis, n. sp., × 400 620
From the sagittal pole (dorsal view).
Fig. 2a. From the lateral pole (sagittal section).
Fig. 2b. From the principal pole (equatorial section).
Fig. 3. Larnacalpis triaxonia, n. sp., × 400 621
From the sagittal pole (dorsal view).
Fig. 4. Larnacantha hexacantha, n. sp., × 400 622
From the sagittal pole (dorsal view).
Fig. 5. Larnacantha bicruciata, n. sp., × 300 623
Frontal view.
Fig. 6. Larnacantha prismatica, n. sp., × 300 623
Half frontal, half lateral view.
Fig. 7. Cenolarcus primordialis, n. sp., × 300 607
From the sagittal pole.
Fig. 7a. From the lateral pole.
Fig. 7b. From the principal pole.
Fig. 8. Larcidium dodecanthum, n. sp., × 300 612
From the sagittal pole.
Fig. 8a. From the principal pole.
Fig. 9. Zonarium octangulum, n. sp., × 300 685
Frontal view.
Fig. 10. Zoniscus tetracanthus, n. sp., × 300 687
Frontal view.
Fig. 11. Zoniscus hexatholius, n. sp., × 400 687
Dorsal view (from the sagittal pole).
Fig. 11a. Lateral view (from the frontal pole).
Fig. 12. Zonidium octotholium, n. sp., × 300 688
Frontal section (from the sagittal pole).
Fig. 12a. Lateral view (from the frontal pole).
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