PLATE 23.
Cubosphærida.
Diam.Page.

Fig. 1. Hexadendron bipinnatum, n. sp.,

×400[200]
Fig. 2. Hexacromyum octahedrum, n. sp.,×400[202]
Fig. 3. Hexancistra mirabilis, n. sp. (= Hexapitys mirabilis),×400[189]
The spherical central capsule encloses the concentric spherical inner shell (which is filled up by the nucleus), and is surrounded by the octahedral outer shell. The latter is enveloped by the octahedral calymma, which is radially striated and contains numerous xanthellæ.
Fig. 4. Hexacaryum arborescens, n. sp.,×400[203]
Fig. 5. Hexacontium clavigerum, n. sp.,×300[19]

PLATE 24.

Legion SPUMELLARIA.

Order SPHÆROIDEA.

Family Cubosphærida.

PLATE 24.
Cubosphærida.
Diam.Page.

Fig. 1. Hexacontium sceptrum, n. sp.,

×400[194]
Fig. 1a. The two medullary shells.
Fig. 2. Hexacontium favosum, n. sp.,×400[194]
Fig. 2a. The two medullary shells.
Fig. 3. Hexacontium axotrias, n. sp.,×300[192]
The six lattice-plates, which form the cortical shell, are not yet fully developed.
Fig. 4. Hexacontium floridum, n. sp.,×300[195]
Fig. 4a. The two medullary shells.
Fig. 5. Hexacontium papillosum, n. sp.,×400[197]
Fig. 5a. The two medullary shells.
Fig. 6. Hexacontium lævigatum, n. sp.,×400[193]
The contours of the two medullary shells are visible in the centre.
Fig. 7. Hexacontium prionacanthum, n. sp.,×400[195]
Fig. 7a. The two medullary shells, connected with a fragment of the cortical shell.
Fig. 8. Cubosphæra cubaxonia, n. sp.,×400[203]
Fig. 8a. A single radial spine.
Fig. 9. Hexacromyum elegans, n. sp.,×400[201]
A part of the two cortical shells is broken off.

PLATE 24.
Cubosphærida.
Diam.Page.

Fig. 1. Hexacontium sceptrum, n. sp.,

×400[194]
Fig. 1a. The two medullary shells.
Fig. 2. Hexacontium favosum, n. sp.,×400[194]
Fig. 2a. The two medullary shells.
Fig. 3. Hexacontium axotrias, n. sp.,×300[192]
The six lattice-plates, which form the cortical shell, are not yet fully developed.
Fig. 4. Hexacontium floridum, n. sp.,×300[195]
Fig. 4a. The two medullary shells.
Fig. 5. Hexacontium papillosum, n. sp.,×400[197]
Fig. 5a. The two medullary shells.
Fig. 6. Hexacontium lævigatum, n. sp.,×400[193]
The contours of the two medullary shells are visible in the centre.
Fig. 7. Hexacontium prionacanthum, n. sp.,×400[195]
Fig. 7a. The two medullary shells, connected with a fragment of the cortical shell.
Fig. 8. Cubosphæra cubaxonia, n. sp.,×400[203]
Fig. 8a. A single radial spine.
Fig. 9. Hexacromyum elegans, n. sp.,×400[201]
A part of the two cortical shells is broken off.

PLATE 25.