PLATE 133.
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 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.
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 135.