Families Zygospyrida, Tholospyrida et Androspyrida.

PLATE 89.
Zygospyrida, Tholospyrida et Androspyrida.
Diam.Page.

Fig. 1. Tholospyris tripodiscus, n. sp.,

×400[1079]
Ventral side.
Fig. 2. Tholospyris fenestrata, n. sp.,×400[1079]
Dorsal side.
Fig. 3. Tholospyris ramosa, n. sp.,×400[1079]
Dorsal side.
Fig. 4. Tholospyris cupola, n. sp.,×400[1080]
Ventral side.
Fig. 5. Therospyris leo, n. sp.,×400[1059]
Ventral side.
Fig. 6. Therospyris felis, n. sp.,×400[1059]
Dorsal side.
Fig. 7. Dictyospyris stalactites, n. sp.,×400[1073]
Ventral side.
Fig. 8. Dictyospyris anthophora, n. sp.,×400[1076]
Ventral side.
Fig. 9. Dictyospyris mammillaris, n. sp.,×400[1076]
Ventral side.
Fig. 10. Dictyospyris mammillaris, n. sp.,×400[1076]
Frontal section.
Fig. 11. Dictyospyris distoma, n. sp.,×300[1073]
Ventral side.
Fig. 12. Dictyospyris distoma, n. sp.,×300[1073]
Frontal section.
Fig. 13. Lamprospyris darwinii, n. sp.,×300[1094]
Ventral side.
Fig. 14. Lamprospyris huxleyi, n. sp.,×300[1094]
Ventral side.

PLATE 89.
Zygospyrida, Tholospyrida et Androspyrida.
Diam.Page.

Fig. 1. Tholospyris tripodiscus, n. sp.,

×400[1079]
Ventral side.
Fig. 2. Tholospyris fenestrata, n. sp.,×400[1079]
Dorsal side.
Fig. 3. Tholospyris ramosa, n. sp.,×400[1079]
Dorsal side.
Fig. 4. Tholospyris cupola, n. sp.,×400[1080]
Ventral side.
Fig. 5. Therospyris leo, n. sp.,×400[1059]
Ventral side.
Fig. 6. Therospyris felis, n. sp.,×400[1059]
Dorsal side.
Fig. 7. Dictyospyris stalactites, n. sp.,×400[1073]
Ventral side.
Fig. 8. Dictyospyris anthophora, n. sp.,×400[1076]
Ventral side.
Fig. 9. Dictyospyris mammillaris, n. sp.,×400[1076]
Ventral side.
Fig. 10. Dictyospyris mammillaris, n. sp.,×400[1076]
Frontal section.
Fig. 11. Dictyospyris distoma, n. sp.,×300[1073]
Ventral side.
Fig. 12. Dictyospyris distoma, n. sp.,×300[1073]
Frontal section.
Fig. 13. Lamprospyris darwinii, n. sp.,×300[1094]
Ventral side.
Fig. 14. Lamprospyris huxleyi, n. sp.,×300[1094]
Ventral side.

PLATE 90.

Legion NASSELLARIA.

Order SPYROIDEA.

Family Androspyrida.

PLATE 90.
Androspyrida.
Diam.Page.

Fig. 1. Nephrospyris paradictyum, n. sp. (vel Paradictyum paradoxum),

×250[1102]
The complete shell, seen from the frontal side.
Fig. 2. Nephrospyris paradictyum, n. sp.,×250[1102]
The incomplete shell, seen from the dorsal side.
Fig. 3. Nephrospyris paradictyum, n. sp.,×500[1102]
The sagittal ring, isolated, from the dorsal side; more enlarged.
Fig. 4. Nephrospyris paradictyum, n. sp.,×120[1102]
Vertical section through half the shell, exhibiting the thickened margin with the included symbiontes (compare page [1101]).
Fig. 5. Nephrospyris paradictyum, n. sp.,×200[1102]
Oblique marginal view of the shell.
Fig. 6. Nephrospyris paradictyum, n. sp.,×250[1102]
Marginal view of a young specimen, with open fissure between the two parallel net-plates.
Fig. 7. Nephrospyris paradictyum, n. sp.,×250[1102]
The soft body alone, without the skeleton. The bilobed central capsule exhibits a central transverse nucleus, and on each lobe a stratum of oil-globules. The kidney-shaped calymma contains on the margin numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page [1102]).
Fig. 8. Nephrospyris paradictyum, n. sp.,×500[1102]
Three single unicellular symbiontes (Zooxanthellæ?).
Fig. 9. Nephrospyris renilla, n. sp. (vel Nephrodictyum renilla),×250[1101]
The bilobed central capsule is enclosed by the discoidal shell and in the middle constricted by the sagittal ring; it contains a transverse nucleus. The kidney-shaped calymma contains in the peripheral part numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page [1101]).
Fig. 10. Nephrospyris renilla, n. sp.,×250[1101]
A singular abnormality (occurring not rarely), in which the reduced skeleton has nearly disappeared and the sagittal ring alone remained. The kidney-shaped calymma, however, which encloses numerous symbiontes, has preserved the form of the skeleton. The bilobed central capsule is similar to that in figs. 7 and 9, and is encircled by the thickened sagittal ring.

PLATE 90.
Androspyrida.
Diam.Page.

Fig. 1. Nephrospyris paradictyum, n. sp. (vel Paradictyum paradoxum),

×250[1102]
The complete shell, seen from the frontal side.
Fig. 2. Nephrospyris paradictyum, n. sp.,×250[1102]
The incomplete shell, seen from the dorsal side.
Fig. 3. Nephrospyris paradictyum, n. sp.,×500[1102]
The sagittal ring, isolated, from the dorsal side; more enlarged.
Fig. 4. Nephrospyris paradictyum, n. sp.,×120[1102]
Vertical section through half the shell, exhibiting the thickened margin with the included symbiontes (compare page [1101]).
Fig. 5. Nephrospyris paradictyum, n. sp.,×200[1102]
Oblique marginal view of the shell.
Fig. 6. Nephrospyris paradictyum, n. sp.,×250[1102]
Marginal view of a young specimen, with open fissure between the two parallel net-plates.
Fig. 7. Nephrospyris paradictyum, n. sp.,×250[1102]
The soft body alone, without the skeleton. The bilobed central capsule exhibits a central transverse nucleus, and on each lobe a stratum of oil-globules. The kidney-shaped calymma contains on the margin numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page [1102]).
Fig. 8. Nephrospyris paradictyum, n. sp.,×500[1102]
Three single unicellular symbiontes (Zooxanthellæ?).
Fig. 9. Nephrospyris renilla, n. sp. (vel Nephrodictyum renilla),×250[1101]
The bilobed central capsule is enclosed by the discoidal shell and in the middle constricted by the sagittal ring; it contains a transverse nucleus. The kidney-shaped calymma contains in the peripheral part numerous symbiontes (Xanthellæ or Vorticellinæ? Compare page [1101]).
Fig. 10. Nephrospyris renilla, n. sp.,×250[1101]
A singular abnormality (occurring not rarely), in which the reduced skeleton has nearly disappeared and the sagittal ring alone remained. The kidney-shaped calymma, however, which encloses numerous symbiontes, has preserved the form of the skeleton. The bilobed central capsule is similar to that in figs. 7 and 9, and is encircled by the thickened sagittal ring.