< Report on the Radiolaria

PLATE 131.

Legion ACANTHARIA.

Order ACANTHONIDA.

Family Quadrilonchida.


PLATE 131.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Quadrilonchida.
Diam. Page.
Fig. 1. Quadrilonche mesostaura, n. sp., × 300 777
Fig. 2. Quadrilonche platystaura, n. sp., × 100 777
Fig. 3. Xiphoptera dodecactena, n. sp., × 200 778
The central capsule with the central part of the skeleton.
Fig. 4. Lonchostaurus bifurcus, n. sp., × 300 773
Fig. 5. Lonchostaurus crystallinus, n. sp., × 400 773
Fig. 6. Lonchostaurus rhomboides, n. sp., × 200 772
The radial spines are completely enclosed in the rhombic calymma, the surface of which is covered with small plates, similar to those in the shell of the Sphærocapsida.
Fig. 7. Zygostaurus amphithectus, n. sp., × 300 774
The square central capsule envelops the half skeleton.
Fig. 8. Zygostaurus sagittalis, n. sp., × 300 775
Fig. 9. Lithoptera tetraptera, n. sp., × 300 779
Fig. 10. Lithoptera quadrata, n. sp., × 300 780
The central part of the skeleton is enclosed by the four-lobed central capsule.
Plate 131.
Plate 131.



PLATE 132.

Legion ACANTHARIA.

Orders ACTINELLIDA et ACANTHONIDA.

Families Astrolophida, Astrolonchida et Amphilonchida.


PLATE 132.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Astrolophida, Astrolonchida et Amphilonchida.
Diam. Page.
Fig. 1. Amphilonche lanceolata, n. sp., × 300 783
Fig. 2. Amphilonche hydrotomica, n. sp., × 300 786
The spindle-shaped central capsule is filled up with small granules. The clear calymma forms conical sheaths for the spines, with myophriscs.
Fig. 3. Amphilonche diodon, n. sp., × 300 783
Fig. 4. Amphilonche concreta, n. sp., × 100 787
A complete specimen with the cylindrical central capsule.
Fig. 4a. Central part of the skeleton, × 400
Fig. 5. Amphilonche violina, n. sp., × 300 787
Fig. 6. Amphilonche conica, n. sp., × 300 785
The ellipsoidal central capsule contains numerous nuclei and is enclosed by the calymma. The conical sheaths of the latter include the radial spines completely and exhibit coronets of myophriscs.
Fig. 7. Acantholonche amphipolaris, n. sp., × 200 790
Fig. 8. Acantholonche peripolaris, n. sp., × 300 791
Fig. 9. Amphibelone pyramidata, n. sp., × 300 789
Fig. 10. Amphibelone cultellata, n. sp., × 400 789
The central capsule contains numerous spherical nuclei and is enclosed by the hyaline calymma, which forms conical sheaths around the spines.
Fig. 11. Stauracantha johannis, n. sp., × 400 763
Basal part of a radial spine, exhibiting the peculiar torsion of the basal leaf-cross and the central apex.
Fig. 12. Astrolophus solaris, n. sp., × 200 732
Fig. 12a. A group of larger and smaller radial spines united in the centre.
Fig. 12b. Three isolated spines (one larger and two smaller), × 200
Plate 132.
Plate 132.



PLATE 133.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Families Sphærocapsida, Dorataspida et Phractopeltida.


PLATE 133.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Sphærocapsida, Dorataspida et Phractopeltida.
Diam. Page.
Fig. 1. Phractopelta dorataspis, n. sp., × 300 852
Fig. 2. Dorypelta tessaraspis, n. sp., × 300 858
Fig. 3. Stauropelta cruciata, n. sp., × 400 859
Fig. 4. Pantopelta icosaspis, n. sp., × 400 855
Meridional section through the double shell.
Fig. 5. Octopelta scutella, n. sp., × 400 856
Proximal part of two meeting spines, isolated.
Fig. 6. Orophaspis furcata, n. sp., × 400 818
Fig. 7. Porocapsa murrayana, n. sp., × 300 800
The central capsule is filled up by spherical vacuoles and enclosed by the porous shell; in the centre radii of small granules (nuclei ?) occur.
Fig. 8. Cannocapsa stethoscopium, n. sp., × 300 801
The shell alone.
Fig. 9. Astrocapsa coronata, n. sp., × 400 799
Middle part of one spine with the four aspinal holes.
Fig. 9a. Transverse section of a radial spine, with the four surrounding aspinal holes and the neighbouring part of the shell, × 400
Fig. 10. Astrocapsa stellata, n. sp., × 400 799
Part of one spine, with the aspinal holes and their four triangular teeth.
Fig. 11. Cenocapsa nirvana, n. sp., × 200 802
The entire shell, with its pavement of small plates and the twenty cruciform perspinal holes.
Fig. 11a. A group of small ovate plates which compose the shell; in each plate a dimple with a porule, × 400
Fig. 11b. A cruciform perspinal hole, seen from the face, × 400
Fig. 11c. A cruciform perspinal hole, with its four teeth, seen in profile, × 400
Plate 133.
Plate 133.



PLATE 134.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Family Dorataspida.


PLATE 134.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Dorataspida.
Diam. Page.
Fig. 1. Dodecaspis tricincta, n. sp., × 400 834
The enclosed central capsule contains numerous spherical nuclei.
Fig. 2. Lychnaspis minima, n. sp., × 400 841
Six-sided basal pyramid of an equatorial spine, with the leaf-cross, seen from the centre.
Fig. 3. Zonaspis cingulata, n. sp., × 400 834
Equatorial section through the central capsule. n, nuclei; g, yellow bodies (intracapsular xanthellæ).
Fig. 4. Zonaspis cingulata, n. sp., × 800 834
Central pyramidal base of an equatorial spine, with the leaf-cross.
Fig. 5. Stauraspis cruciata, n. sp., × 400 831
Central union of the radial spines, three polar spines being taken off.
Fig. 6. Lychnaspis longissima, n. sp., × 400 841
Fig. 7. Lychnaspis minima, n. sp., × 400 841
Five-sided basal pyramid of a tropical spine, with the leaf-cross, seen from the centre.
Fig. 8. Lychnaspis minima, n. sp., × 400 841
Six-sided basal pyramid of a polar spine, with the leaf-cross, seen from the centre.
Fig. 9. Icosaspis elegans, n. sp., × 400 844
An isolated polar plate.
Fig. 10. Icosaspis cruciata, n. sp., × 400 844
An isolated equatorial plate.
Fig. 11, 12. Dorataspis species, × 100
Diagram of the composition of the shell of twenty plates (and also of the central union of the basal leaf-cross).
Fig. 11. Oblique equatorial aspect.
Fig. 12. Accurate polar aspect (compare p. 804, 805).
Fig. 13. Coscinaspis isopora, n. sp., × 400 828
An isolated equatorial plate (with two aspinal and six coronal pores).
Fig. 14. Coscinaspis isopora, n. sp., × 400 828
Two isolated tropical plates (b, northern; d, southern), each with two aspinal and five coronal pores.
Fig. 15. Diporaspis nephropora, n. sp., × 400 816
Fig. 16. Acontaspis hastata, n. sp., × 400 829
Plate 134.
Plate 134.



PLATE 135.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Families Sphærocapsida et Dorataspida.


PLATE 135.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Sphærocapsida et Dorataspida.
Diam. Page.
Fig. 1. Hylaspis serrulata, n. sp., × 300 846
Fig. 2. Lychnaspis undulata, n. sp., × 400 841
Fig. 3. Lychnaspis giltschii, n. sp., × 400 839
The spherical central capsule is enclosed in the shell.
Fig. 4. Lychnaspis rottenburgii, n. sp., × 400 841
Fig. 5. Zonaspis æquatorialis, n. sp., × 300 834
Fig. 6. Sphærocapsa cruciata, n. sp., × 150 798
The entire shell, with its twenty cruciate perspinal holes.
Fig. 7. Sphærocapsa cruciata, n. sp., × 800 798
Insertion of one spine in the cruciate perspinal hole of the shell.
Fig. 8. Sphærocapsa quadrata, n. sp., × 800 798
A group of pores and dimples in the shell surface.
Fig. 9. Sphærocapsa dentata, n. sp., × 800 798
Insertion of one spine in the cruciate perspinal hole of the shell.
Fig. 10. Sphærocapsa pavimentata, n. sp., × 800 798
Insertion of one spine in the perspinal hole of the shell, which is composed of four cruciate aspinal holes and surrounded by a group of dimples and pores.
Plate 135.
Plate 135.



PLATE 136.

Legion ACANTHARIA.

Orders SPHÆROPHRACTA et PRUNOPHRACTA.

Families Dorataspida et Belonaspida.


PLATE 136.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Dorataspida et Belonaspida.
Diam. Page.
Fig. 1. Tessaraspis arachnoides, n. sp., × 300 836
Fig. 2. Icosaspis tabulata, n. sp., × 200 843
Fig. 3. Icosaspis icosastaura, n. sp., × 400 846
Fig. 4. Icosaspis elegans, n. sp., × 300 844
Fig. 5. Tessaraspis concreta, n. sp., × 400 838
Fig. 6. Phatnaspis cristata, n. sp., × 400 869
Fig. 7. Phatnaspis haliommidium, n. sp., × 200 871
Central capsule within the shell—outline.
Fig. 8. Coscinaspis polypora, n. sp., × 300 827
A single lattice-plate of the shell.
Fig. 9. Phatnaspis lacunaria, n. sp., × 400 869
Plate 136.
Plate 136.



PLATE 137.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Family Dorataspida.


PLATE 137.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Dorataspida.
Diam. Page.
Fig. 1. Phractaspis complanata, n. sp., × 400 809
Fig. 2. Phractaspis prototypus, n. sp., × 400 809
Fig. 3. Phractaspis constricta, n. sp., × 400 810
Fig. 4. Pleuraspis horrida, n. sp., × 400 811
Fig. 5. Stauruspis stauracantha, n. sp., × 300 832
Fig. 6. Stauruspis stauracantha, n. sp., × 600 832
A single spine.
Fig. 7. Echinaspis echinoides, n. sp., × 300 833
Fig. 8. Echinaspis echinoides, n. sp., × 800 833
A single spine.
Fig. 9. Coscinaspis parmipora, n. sp., × 400 827
Plate 137.
Plate 137.



PLATE 138.

Legion ACANTHARIA.

Order SPHÆROPHRACTA.

Family Dorataspida.


PLATE 138.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Dorataspida.
Diam. Page.
Fig. 1. Coscinaspis peripora (vel Dorataspis peripora), n. sp., × 300 826
Fig. 2. Dorataspis fusigera, n. sp., × 400 813
Fig. 3. Dorataspis micropora, n. sp., × 300 815
Fig. 4. Dorataspis typica, n. sp., × 300 815
Fig. 4a. Polar view of the central union of the twenty spines, × 300 815
Fig. 5. Ceriaspis inermis, n. sp., × 400 821
Fig. 6. Ceriaspis favosa, n. sp., × 400 821
Fig. 7. Hystrichaspis fruticata, n. sp., × 300 825
Fig. 8. Hystrichaspis pectinata, n. sp., × 300 822
Fig. 9. Hystrichaspis furcata, n. sp., × 400 822
Fig. 10. Hystrichaspis dorsata, n. sp., × 300 823
Fig. 11. Hystrichaspis cristata (vel Siphonaspis cristata, n. sp.), × 400 823
Plate 138.
Plate 138.



PLATE 139.

Legion ACANTHARIA.

Order PRUNOPHRACTA.

Families Belonaspida et Hexalspida.


PLATE 139.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Belonaspida et Hexalspida.
Diam. Page.
Fig. 1. Hexacolpus nivalis, n. sp., × 300 880
Fig. 2. Hexalaspis heliodiscus, n. sp., × 300 875
Fig. 3. Hexaconus ciliatus, n. sp., × 300 876
Fig. 4. Hexaconus serratus, n. sp., × 300 877
c, Central base of an equatorial spine; d, central base of a tropical spine.
Fig. 5. Hexaconus coronatus, n. sp., × 300 877
Fig. 6. Hexaconus velatus, n. sp., × 300 877
Marginal view of the shell.
Fig. 7. Hexaconus vaginatus, n. sp., × 300 877
Fig. 8. Thoracaspis bipennis, n. sp., × 300 862
Fig. 9. Belonaspis datura, n. sp., × 400 863
Plate 139.
Plate 139.



PLATE 140.

Legion ACANTHARIA.

Order PRUNOPHRACTA.

Families Belonaspida, Hexalaspida et Diploconida.


PLATE 140.
N.B.—The signification of the characters is the same in all the figures (compare p. 718).
a. Northern polar spines.
b. Northern tropical spines.
c. Equatorial spines.
d. Southern tropical spines.
e. Southern polar spines.
Belonaspida, Hexalaspida et Diploconida.
Diam. Page.
Fig. 1. Diploconus amalla, n. sp., × 300 885
Fig. 2. Diploconus hexaphyllus, n. sp., × 300 886
Fig. 3. Diploconus cyathiscus, n. sp., × 300 885
Fig. 4. Diploconus cotyliscus, n. sp., × 400 886
Polar view.
Fig. 5. Diplocolpus serratus, n. sp., × 300 888
Fig. 6. Diplocolpus cristatus, n. sp., × 400 887
Fig. 7. Diplocolpus costatus, n. sp., × 400 887
Fig. 8. Diplocolpus sulcatus, n. sp., × 300 888
Fig. 9. Diplocolpus dentatus, n. sp., × 300 888
Meridional section through the centre of the shell.
Fig. 10. Hexacolpus infundibulum, n. sp., × 300 881
Fig. 11. Hexacolpus trypanon, n. sp., × 300 881
Fig. 12. Hexaconus echinatus, n. sp., × 300 878
Fig. 13. Coleaspis vaginata, n. sp., × 300 866
Meridional section through the shell.
Fig. 14. Coleaspis hydrotomica, n. sp., × 400 867
Fig. 15. Hexonaspis hexapleura, n. sp., × 400 879
A single spine with its thick apophyses.
Fig. 16. Hexonaspis hastata, n. sp., × 400 879
Plate 140.
Plate 140.
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