PLATE15.
Legion SPUMELLARIA.
Orders SPHÆROIDEAetPRUNOIDEA.
FamiliesStaurosphæridaetDruppulida.
Fig. 1.Cromyatractus tetracelyphus, n. sp.,
PLATE 15.StaurosphæridaetDruppulida.Diam.Page.Fig. 1.Cromyatractus tetracelyphus, n. sp.,×300335Fig. 1a. The two inner medullary shells.Fig. 2.Cromyatractus tetraphractus, n. sp.,×300335Fig. 3.Cromyatractus cepicius, n. sp.,×300336The spongy distal part of a polar spine.Fig. 4.Cromyatractus ceparius, n. sp. (velCaryostylus ceparius),×300336Fig. 5.Staurolonche pertusa, n. sp.,×300159Fig. 5a. Its medullary shell.Fig. 6.Staurosphæra philippi, n. sp.,×300154Fig. 7.Stauroxiphus gladius, n. sp.,×400163Fig. 8.Staurocaryum arborescens, n. sp.,×300167Fig. 9.Rhizoplegma radicatum, n. sp.,×200276Fig. 9a. The medullary shell, which is completely hidden in fig. 9 by the numerous club-shaped apophyses of the central capsule.Plate 15.
Fig. 1.Cromyatractus tetracelyphus, n. sp.,
Plate 15.
PLATE16.
Legion SPUMELLARIA.
Orders SPHÆROIDEAetPRUNOIDEA.
FamiliesSTYLOSPHÆRIDAetDruppulida.
Fig. 1.Stylosphæra melpomene, n. sp.,
PLATE 16.STYLOSPHÆRIDAetDruppulida.Diam.Page.Fig. 1.Stylosphæra melpomene, n. sp.,×300135Fig. 2.Lithatractus jugatus, n. sp., (velStylosphæra jugata),×400323Fig. 3.Lithatractus fragilis, n. sp. (velStylosphæra fragilis),×400319Fig. 4.Stylosphæra lithatractus, n. sp.,×300The entire shell.Fig. 5.Stylosphæra lithatractus, n. sp.,×300The greater part of the cortical shell and the two spines taken off.The description ofStylosphæra lithatractus(intermediate betweenStylosphæra jugataandStylosphæra terpsichore, p.137) is by mistake not given in the text.Fig. 6.Stylosphæra calliope, n. sp.,×400134Fig. 7.Stylosphæra clio, n. sp.,×400134Fig. 8.Druppatractus ostracion, n. sp.,×300326The entire shell.Fig. 9.Druppatractus ostracion, n. sp.,×300326The anterior half of the cortical shell has been removed.Fig. 10.Druppatractus hippocampus, n. sp.,×300324The entire shell.Fig. 11.Druppatractus hippocampus, n. sp.,×300324The greater part of the cortical shell has been removed.Fig. 12.Stylosphæra nana, n. sp.,×300136The entire shellFig. 13.Stylosphæra nana, n. sp.,×300136The greater part of the cortical shell taken off.Fig. 14.Sphærostylus ophidium, n. sp.,×300140The entire shell.Fig. 15.Sphærostylus ophidium, n. sp.,×300140The medullary shell alone.Fig. 16.Saturnulus ellipticus, n. sp.,×400141Fig. 17.Saturnulus planetes, n. sp.,×400142Plate 16.
Fig. 1.Stylosphæra melpomene, n. sp.,
Plate 16.
PLATE17.
Legion SPUMELLARIA.
Orders SPHÆROIDEAetPRUNOIDEA.
FamiliesStylosphærida,DruppulidaetSpongurida.
Fig. 1.Stylatractus giganteus, n. sp. (velAmphistylus giganteus),
PLATE 17.Stylosphærida,DruppulidaetSpongurida.Diam.Page.Fig. 1.Stylatractus giganteus, n. sp. (velAmphistylus giganteus),×300329Fig. 2.Stylatractus sethoporus, n. sp.,×400330The greater part of the cortical shell taken off.Fig. 3.Stylatractus sethoporus, n. sp.,×400330The entire cortical shell.Fig. 4.Stylatractus compactus, n. sp.,×400329Fig. 5.Amphisphæra cronos, n. sp. (velAmphistylus cronos),×400144Fig. 6.Stylatractus neptunus, n. sp. (velAmphisphæra neptunus),×300328Fig. 7.Amphisphæra pluto, n. sp.,×300144The entire cortical shell.Fig. 8.Amphisphæra pluto, n. sp.,×300144Meridional section through the three concentric shells.Fig. 9.Xiphatractus glyptodon, n. sp.,×400334The entire cortical shell.Fig. 10.Xiphatractus glyptodon, n. sp.,×400334The greater part of the cortical shell taken off.Fig. 11.Xiphatractus armadillo, n. sp.,×400332Fig. 12.Spongoxiphus prunococcus, n. sp.,×300354The spongy cortical shell.Fig. 13.Spongoxiphus prunococcus, n. sp.,×600354The two concentric latticed medullary shells.Plate 17.
Fig. 1.Stylatractus giganteus, n. sp. (velAmphistylus giganteus),
Plate 17.
PLATE18.
Legion SPUMELLARIA.
Order SPHÆROIDEA.
FamiliesLiosphæridaetAstrosphærida.
Fig. 1.Centrocubus cladostylus, n. sp.,
PLATE 18.LiosphæridaetAstrosphærida.Diam.Page.Fig. 1.Centrocubus cladostylus, n. sp.,×100278Fig. 2.Octodendron spathillatum, n. sp.,×300280The entire inner shell, but a small part only of the outer shell is represented.Fig. 3.Octodendron cubocentron, n. sp.,×400279The central capsule (somewhat irregular by compression?) exhibits a large excentric nucleus (probably dislocated artificially?).Fig. 4.Octodendron spathillatum, n. sp.,×800280Free distal end of a radial spine, with the spathillæ on the end of the branches.Fig. 5.Rhizosphæra serrata, n. sp.,×300284Fig. 6.Rhizosphæra serrata, n. sp.,×300284Medullary shell.Fig. 7.Rhizosphæra serrata, n. sp.,×600284A single radial spine.Fig. 8.Plegmosphæra exodictyon, n. sp.,×20089The central shell-cavity encloses the spherical central capsule and the concentric nucleus.Fig. 9.Spongodrymus elaphococcus, n. sp.,×150272The entire inner shell, but only a small part of the outer spongy envelope is represented.Plate 18.
Fig. 1.Centrocubus cladostylus, n. sp.,
Plate 18.
PLATE19.
Legion SPUMELLARIA.
Order SPHÆROIDEA.
FamilyAstrosphærida.
Fig. 1.Drymosphæra polygonalis, n. sp.,
PLATE 19.Astrosphærida.Diam.Page.Fig. 1.Drymosphæra polygonalis, n. sp.,×200249Fig. 2.Leptosphæra hexagonalis, n. sp.,×200244Showing the central capsule (forming numerous club-shaped protuberances) and the simple spherical nucleus in its centre. The skeleton is nearly the same as inDiplosphæra hexagonalis(fig. 3).Fig. 3.Diplosphæra hexagonalis, n. sp.,×200246The spherical central capsule, with radially striped protoplasm, is enclosed in the inner shell, and exhibits in its centre the clear spherical nucleus.Fig. 4.Astrosphæra hexagonalis, n. sp.,×300250Fig. 5.Astrosphæra stellata, n. sp.,×300251The central capsule, enclosed in the inner shell, exhibits a distinct radial striation of the protoplasm, and in the centre a clear spherical nucleus.Fig. 6.Haliomma rhodococcus, n. sp. (velSethosphæra rhodococcus),×400237The greater part of the outer shell is removed.Plate 19.
Fig. 1.Drymosphæra polygonalis, n. sp.,
Plate 19.
PLATE20.
Legion SPUMELLARIA.
Order SPHÆROIDEA.
FamiliesLiosphæridaetAstrosphærida.
Fig. 1.Drymosphæra dendrophora, n. sp.,