Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Plates / Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII

by Ernst Haeckel

PLATE 116. Medusettida et Circoporida. Diam. Page. Fig. 1. Polypetta mammillata, n. sp., × 500 [1677] In the upper part of the figure the dentate proboscis. Fig. 1a. Vertical section through the shell-wall, showing two of the hollow alveoles, opening on its inside, × 1000 Fig. 2. Polypetta tabulata, n. sp., × 500 [1677] In the upper part of the figure the dentate proboscis. Fig. 2a. A piece of the shell, seen from the surface, with the triangular plates, × 1000 Fig. 2b. Vertical section through the shell-wall, with an alveole, × 1000 Fig. 3. Circostephanus coronarius, n. sp., × 150 [1699] The polyhedral shell exhibits in its wall the small tangential needles. The radial spines are partly broken off. The mouth of the shell, surrounded by eight short conical teeth, is visible on the left side of the figure. Fig. 3a. The mouth of the shell, seen in profile, with eight conical spinulate teeth, × 400 Fig. 3b. The base of a radial spine broken off, to show the corona of (five or six) basal pores, × 400

PLATE 116.
Medusettida et Circoporida.
Diam.			Page.
Fig. 1. Polypetta mammillata, n. sp.,	×	500	[1677]
In the upper part of the figure the dentate proboscis.
Fig. 1a. Vertical section through the shell-wall, showing two of the hollow alveoles, opening on its inside,	×	1000
Fig. 2. Polypetta tabulata, n. sp.,	×	500	[1677]
In the upper part of the figure the dentate proboscis.
Fig. 2a. A piece of the shell, seen from the surface, with the triangular plates,	×	1000
Fig. 2b. Vertical section through the shell-wall, with an alveole,	×	1000
Fig. 3. Circostephanus coronarius, n. sp.,	×	150	[1699]
The polyhedral shell exhibits in its wall the small tangential needles. The radial spines are partly broken off. The mouth of the shell, surrounded by eight short conical teeth, is visible on the left side of the figure.
Fig. 3a. The mouth of the shell, seen in profile, with eight conical spinulate teeth,	×	400
Fig. 3b. The base of a radial spine broken off, to show the corona of (five or six) basal pores,	×	400

PLATE 117.

Legion PHÆODARIA.

Orders PHÆOCYSTINA ET PHÆOGROMIA.

Families Cannorrhaphida, Medusettida et Circoporida.

PLATE 117. Cannorrhaphida, Medusettida et Circoporida. Diam. Page. Fig. 1. Circogonia icosahedra, n. sp., × 80 [1698] The entire shell, with twelve radial tubes and twenty triangular faces. In the centre of one face is the mouth, with six teeth. Fig. 1a. The mouth alone, with its six spinulate teeth, × 400 Fig. 2. Circorrhegma dodecahedra, n. sp., × 80 [1699] The entire shell, with twenty radial tubes and twelve pentagonal faces. In the centre of one face is the mouth, with five teeth. Fig. 2a. The mouth alone, with its five spinulate teeth, seen in profile, × 200 Fig. 3. Circospathis novena, n. sp., × 100 [1696] The entire shell, with nine radial tubes and fourteen triangular faces. In one face (to the left above) is the mouth with nine teeth. Fig. 3a. The mouth alone, with its nine spinulate teeth, × 150 Fig. 4. Circoporus hexastylus, n. sp., × 80 [1695] A single radial spine. Fig. 5. Circoporus sexfurcus, n. sp., × 80 [1694] The entire spherical shell with six forked and ciliated radial tubes. In the centre the cruciform mouth with four teeth. Fig. 6. Circoporus octahedrus, n. sp., × 300 [1695] The entire shell, with six verticillate radial tubes and eight triangular faces. In the centre of one face is the mouth, with four teeth. Fig. 7. Cortinetta tripodiscus, n. sp., × 300 [1667] The entire shell with the enclosed central capsule, and the phæodium around the astropyle. Fig. 7a. The astropyle, partly detached from the wall of the central capsule, seen in profile, × 800 Fig. 8. Catinulus quadrifidus, n. sp., × 80 [1553] A complete specimen, with four equal central capsules, united in a single spherical calymma. Fig. 8a. Some single pieces of the skeleton, × 400

PLATE 117.
Cannorrhaphida, Medusettida et Circoporida.
Diam.			Page.
Fig. 1. Circogonia icosahedra, n. sp.,	×	80	[1698]
The entire shell, with twelve radial tubes and twenty triangular faces. In the centre of one face is the mouth, with six teeth.
Fig. 1a. The mouth alone, with its six spinulate teeth,	×	400
Fig. 2. Circorrhegma dodecahedra, n. sp.,	×	80	[1699]
The entire shell, with twenty radial tubes and twelve pentagonal faces. In the centre of one face is the mouth, with five teeth.
Fig. 2a. The mouth alone, with its five spinulate teeth, seen in profile,	×	200
Fig. 3. Circospathis novena, n. sp.,	×	100	[1696]
The entire shell, with nine radial tubes and fourteen triangular faces. In one face (to the left above) is the mouth with nine teeth.
Fig. 3a. The mouth alone, with its nine spinulate teeth,	×	150
Fig. 4. Circoporus hexastylus, n. sp.,	×	80	[1695]
A single radial spine.
Fig. 5. Circoporus sexfurcus, n. sp.,	×	80	[1694]
The entire spherical shell with six forked and ciliated radial tubes. In the centre the cruciform mouth with four teeth.
Fig. 6. Circoporus octahedrus, n. sp.,	×	300	[1695]
The entire shell, with six verticillate radial tubes and eight triangular faces. In the centre of one face is the mouth, with four teeth.
Fig. 7. Cortinetta tripodiscus, n. sp.,	×	300	[1667]
The entire shell with the enclosed central capsule, and the phæodium around the astropyle.
Fig. 7a. The astropyle, partly detached from the wall of the central capsule, seen in profile,	×	800
Fig. 8. Catinulus quadrifidus, n. sp.,	×	80	[1553]
A complete specimen, with four equal central capsules, united in a single spherical calymma.
Fig. 8a. Some single pieces of the skeleton,	×	400