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 - Ernst Haeckel

PLATE 126.
Cœlographida.
Diam.			Page.
Figs. 1-1c. Cœlographis regina, n. sp.,	[1752]
Fig. 1. Lateral view. The central capsule it visible between the two valves of the inner shell, the galeæ of which are filled by the phæodium,	×	20
Fig. 1a. Dorsal view (somewhat obliquely from the left side). The galeæ appear triangular,	×	20
Fig. 1b. Basal view,	×	20
Fig. 1c. Distal end of a style,	×	300
Figs. 2-2b. Cœlodecas sagittaria, n. sp.,	[1755]
Fig. 2. One valve of the shell, seen from the outside,	×	30
Fig. 2a. Distal end of a style,	×	300
Figs. 3-3a. Cœlostylus bisenarius, n. sp.,	[1756]
Fig. 3. Lateral view of the bivalved shell. The central capsule is visible between the two valves of the inner shell, the galeæ of which are filled by the phæodium,	×	20
Fig. 3a. Distal end of a style,	×	300
Figs. 4-4a. Cœlagalma mirabile, n. sp.,	[1759]
Fig. 4. Dorsal view of the bivalved shell,	×	30
Fig. 4a. Basal view of the bivalved shell,	×	10

PLATE 126.
Cœlographida.
Diam.			Page.
Figs. 1-1c. Cœlographis regina, n. sp.,	[1752]
Fig. 1. Lateral view. The central capsule it visible between the two valves of the inner shell, the galeæ of which are filled by the phæodium,	×	20
Fig. 1a. Dorsal view (somewhat obliquely from the left side). The galeæ appear triangular,	×	20
Fig. 1b. Basal view,	×	20
Fig. 1c. Distal end of a style,	×	300
Figs. 2-2b. Cœlodecas sagittaria, n. sp.,	[1755]
Fig. 2. One valve of the shell, seen from the outside,	×	30
Fig. 2a. Distal end of a style,	×	300
Figs. 3-3a. Cœlostylus bisenarius, n. sp.,	[1756]
Fig. 3. Lateral view of the bivalved shell. The central capsule is visible between the two valves of the inner shell, the galeæ of which are filled by the phæodium,	×	20
Fig. 3a. Distal end of a style,	×	300
Figs. 4-4a. Cœlagalma mirabile, n. sp.,	[1759]
Fig. 4. Dorsal view of the bivalved shell,	×	30
Fig. 4a. Basal view of the bivalved shell,	×	10

PLATE 127.

Legion PHÆODARIA.

Order PHÆOCONCHIA.

Family Cœlographida.

PLATE 127.
Cœlographida.
Diam.			Page.
Fig. 1. Cœloplegma murrayanum, n. sp.,	×	40	[1757]
One valve of the bivalved shell, seen from the inside, of the usual ovate form.
Fig. 2. Cœloplegma murrayanum, n. sp.,	×	40	[1757]
One valve of the bivalved shell, seen from the inside, of the rarer polyhedral form, which may be distinguished as a different species (Cœloplegma tritonis, compare p. [1758]). h, hemispherical inner valve; g, galea; s, its base.
Fig. 3. Cœloplegma murrayanum, n. sp.,	×	40	[1757]
The entire shell, seen from the base of the aboral pole (dorsal and ventral valve connected by delicate teeth, catching into one another).
Fig. 4. Cœloplegma murrayanum, n. sp.,	×	100	[1757]
h, The two hemispherical inner valves of the shell, seen from the right side; n, the central nucleus inside the central capsule; d, the astropyle; g, the galea; t, the nasal tube, arising from its base; m, its mouth; p, the phæodium, which is partly thrown out by the nasal openings, filling up the galea and nasal tube.
Fig. 5. Cœloplegma murrayanum, n. sp.,	×	200	[1757]
h, The two hemispherical inner valves of the shell and the enclosed central capsule, seen from the oral side; d, the radiate operculum of the astropyle, seen in the frontal fissure between the two valves; n, the nucleus; k, the crystals; g, galea; g¹-g⁵, the styles arising from the galea; t, nasal tube; m, mouth of it.
Fig. 6. Cœloplegma murrayanum, n. sp.,	×	600	[1757]
Oral part of a central capsule, in profile. o, Opening of the proboscis; d, radiate operculum of the astropyle, which gives rise to the proboscis; e, the outer, i, the inner membrane of the capsule; k, groups of crystals; n, nucleus.
Fig. 7. Cœloplegma murrayanum, n. sp.,	×	1000	[1757]
Three single groups of crystals, taken from the central capsule.
Fig. 8. Cœloplegma murrayanum, n. sp.,	×	300	[1757]
One inner valve of the shell, in profile. h, hemispherical valve; g, galea; g¹-g⁵, the tubes arising from it; t, rhinocanna or nasal tube; m, its mouth; b, frenulum.
Fig. 9. Cœloplegma murrayanum, n. sp.,	×	400	[1757]
g, The galea; t, rhinocanna of one inner valve; m, its mouth; p, phæodella filling up both the galea and the mouth of the rhinocanna. g¹-g⁵, the styles arising from the galea; s, sieve-plate, which separates the cavity of the galea from the hemispherical valve (h). View in profile.
Fig. 10. Cœloplegma murrayanum, n. sp.,	×	300	[1757]
An anchor-pencil of the outer shell.
Fig. 11. Cœloplegma murrayanum, n. sp.,	×	1000	[1757]
A single anchor-thread of a pencil.
Fig. 12. Cœloplegma murrayanum, n. sp.,	×	300	[1757]
Terminal branches of a style.
Fig. 13. Cœloplegma murrayanum, n. sp.,	×	1000	[1757]
A single terminal branch of a style.

PLATE 127.
Cœlographida.
Diam.			Page.
Fig. 1. Cœloplegma murrayanum, n. sp.,	×	40	[1757]
One valve of the bivalved shell, seen from the inside, of the usual ovate form.
Fig. 2. Cœloplegma murrayanum, n. sp.,	×	40	[1757]
One valve of the bivalved shell, seen from the inside, of the rarer polyhedral form, which may be distinguished as a different species (Cœloplegma tritonis, compare p. [1758]). h, hemispherical inner valve; g, galea; s, its base.
Fig. 3. Cœloplegma murrayanum, n. sp.,	×	40	[1757]
The entire shell, seen from the base of the aboral pole (dorsal and ventral valve connected by delicate teeth, catching into one another).
Fig. 4. Cœloplegma murrayanum, n. sp.,	×	100	[1757]
h, The two hemispherical inner valves of the shell, seen from the right side; n, the central nucleus inside the central capsule; d, the astropyle; g, the galea; t, the nasal tube, arising from its base; m, its mouth; p, the phæodium, which is partly thrown out by the nasal openings, filling up the galea and nasal tube.
Fig. 5. Cœloplegma murrayanum, n. sp.,	×	200	[1757]
h, The two hemispherical inner valves of the shell and the enclosed central capsule, seen from the oral side; d, the radiate operculum of the astropyle, seen in the frontal fissure between the two valves; n, the nucleus; k, the crystals; g, galea; g¹-g⁵, the styles arising from the galea; t, nasal tube; m, mouth of it.
Fig. 6. Cœloplegma murrayanum, n. sp.,	×	600	[1757]
Oral part of a central capsule, in profile. o, Opening of the proboscis; d, radiate operculum of the astropyle, which gives rise to the proboscis; e, the outer, i, the inner membrane of the capsule; k, groups of crystals; n, nucleus.
Fig. 7. Cœloplegma murrayanum, n. sp.,	×	1000	[1757]
Three single groups of crystals, taken from the central capsule.
Fig. 8. Cœloplegma murrayanum, n. sp.,	×	300	[1757]
One inner valve of the shell, in profile. h, hemispherical valve; g, galea; g¹-g⁵, the tubes arising from it; t, rhinocanna or nasal tube; m, its mouth; b, frenulum.
Fig. 9. Cœloplegma murrayanum, n. sp.,	×	400	[1757]
g, The galea; t, rhinocanna of one inner valve; m, its mouth; p, phæodella filling up both the galea and the mouth of the rhinocanna. g¹-g⁵, the styles arising from the galea; s, sieve-plate, which separates the cavity of the galea from the hemispherical valve (h). View in profile.
Fig. 10. Cœloplegma murrayanum, n. sp.,	×	300	[1757]
An anchor-pencil of the outer shell.
Fig. 11. Cœloplegma murrayanum, n. sp.,	×	1000	[1757]
A single anchor-thread of a pencil.
Fig. 12. Cœloplegma murrayanum, n. sp.,	×	300	[1757]
Terminal branches of a style.
Fig. 13. Cœloplegma murrayanum, n. sp.,	×	1000	[1757]
A single terminal branch of a style.