PLATE 128.Cœlographida.Diam.Page.Fig. 1.Cœlospathis ancorata, n. sp.,×501754Lateral view of the entire shell. The central capsule is visible between the two valves of the inner shell. The galeæ and rhinocannæ of the two inner valves are filled up by the black phæodium.Fig. 2.Cœlospathis ancorata, n. sp.,×1001754The two valves of the inner shell; the galeæ andrhinocannæof which are filled up by the black phæodium. Between the mouth of the two rhinocannæ is prominent the proboscis of the astropyle, arising from the radiate operculum of the central capsule. The latter contains numerous crystals and a big dark nucleus. Lateral view.Fig. 3.Cœlospathis ancorata, n. sp.,×2001754The rhinocanna or the nasal tube of one valve, and the latticed frenulum which connects its mouth with the top of the galea.Fig. 4.Cœlospathis ancorata, n. sp.,×801754Distal end of a style.Fig. 5.Cœlospathis ancorata, n. sp.,×2001754Terminal branches of a style.Fig. 6.Cœlospathis ancorata, n. sp.,×6001754Lateral branch of a style, with an anchor-pencil.Fig. 7.Cœlospathis ancorata, n. sp.,×3001754The lateral margins of the latticed valves of the outer shell or mantle, catching into one another, without being connected directly.Fig. 8.Cœlospathis octostyla, n. sp.,×3001754Terminal branches of a style.Fig. 9.Cœlospathis octodactyla, n. sp.,×4001755A single terminal branch of a style.Plate 128.
Fig. 1.Cœlospathis ancorata, n. sp.,
Plate 128.
PLATE129.
Legion ACANTHARIA.
Orders ACTINELLIDA et ACANTHONIDA.
FamiliesAstrolophida,Litholophida,ChiastolidaetAstrolonchida.
Fig. 1.Actinelius primordialis, n. sp.,
PLATE 129.Astrolophida,Litholophida,ChiastolidaetAstrolonchida.Diam.Page.Fig. 1.Actinelius primordialis, n. sp.,×100730The red central capsule, coloured by carmine, contains numerous intensely stained nuclei.Fig. 2.Litholophus decapristis, n. sp.,×300735The conical central capsule contains numerous nuclei. The calymma exhibits on the distal end of each spine a coronet of myophriscs.Fig. 3.Chiastolus amphicopium, n. sp.,×150738Sixteen diametral spines pierce the spherical, red coloured capsule. The conical sheets of the calymma bear myophriscs.Figs. 3a, 3b. Two isolated diametral spines exhibiting the peculiar spiral revolution at their central part,×300Fig. 4.Xiphacantha ciliata, n. sp.,×300761The spherical central capsule is coloured red. The yellowish calymma envelops the radial spines completely. The polygonal network of lines, in which the radiating pseudopodia are symmetrically arranged, is partly visible.Fig. 5.Xiphacantha ciliata, n. sp.,×300761The central part of the skeleton, exhibiting the central junction of the radial spines.Fig. 6.Acanthometron dolichoscion, n. sp.,×300743Central capsule of a young specimen; in its upper half the peculiar kidney-shaped nucleus is visible, with its invagination; in the lower half some nucleated yellow cells are visible (intracapsular xanthellæ). These and the nucleus are stained by carmine.Fig. 7.Acanthometron dolichoscion, n. sp.,×300743Cleavage of an isolated nucleus, with four buds.Fig. 8.Acanthometron dolichoscion, n. sp.,×300743A central capsule with four large budding nuclei; and numerous small spherical nuclei produced by gemmation.Fig. 9.Acanthonia tetracopa, n. sp.,×400749Central capsule of s young specimen, with a large, irregularly lobate nucleus.Fig. 10.Acanthonia tetracopa, n. sp.,×400749An isolated nucleus, exhibiting the peculiar invagination, with its circular folds, and the connection with the flatly conical nucleolus.Fig. 11.Acanthonia tetracopa, n. sp.,×800749Four flagellate spores.Plate 129.
Fig. 1.Actinelius primordialis, n. sp.,
Plate 129.
PLATE130.
Legion ACANTHARIA.
Order ACANTHONIDA.
FamilyAstrolonchida.
Fig. 1.Acanthometron bulbiferum, n. sp.,
PLATE 130.Astrolonchida.Diam.Page.Fig. 1.Acanthometron bulbiferum, n. sp.,×300745Fig. 2.Acanthometron cylindricum, n. sp.,×200743Fig. 3.Lithophyllium gladiatum, n. sp.,×200754Fig. 4.Stauracantha quadrifurca, n. sp.,×300764Fig. 5.Stauracantha orthostaura, n. sp.,×200762Fig. 6.Phatnacantha icosaspis, n. sp.,×400765Fig. 7.Pristacantha polyodon, n. sp.,×300766Fig. 8.Pristacantha dodecodon, n. sp.,×300766Only the central parts and the leaf-cross.Fig. 9.Pristacantha octodon, n. sp.,×200765Plate 130.
Fig. 1.Acanthometron bulbiferum, n. sp.,
Plate 130.
PLATE131.
Legion ACANTHARIA.
Order ACANTHONIDA.
FamilyQuadrilonchida.
Fig. 1.Quadrilonche mesostaura, n. sp.,
PLATE 131.Quadrilonchida.Diam.Page.Fig. 1.Quadrilonche mesostaura, n. sp.,×300777Fig. 2.Quadrilonche platystaura, n. sp.,×100777Fig. 3.Xiphoptera dodecactena, n. sp.,×200778The central capsule with the central part of the skeleton.Fig. 4.Lonchostaurus bifurcus, n. sp.,×300773Fig. 5.Lonchostaurus crystallinus, n. sp.,×400773Fig. 6.Lonchostaurus rhomboides, n. sp.,×200772The radial spines are completely enclosed in the rhombic calymma, the surface of which is covered with small plates, similar to those in the shell of the Sphærocapsida.Fig. 7.Zygostaurus amphithectus, n. sp.,×300774The square central capsule envelops the half skeleton.Fig. 8.Zygostaurus sagittalis, n. sp.,×300775Fig. 9.Lithoptera tetraptera, n. sp.,×300779Fig. 10.Lithoptera quadrata, n. sp.,×300780The central part of the skeleton is enclosed by the four-lobed central capsule.Plate 131.
Fig. 1.Quadrilonche mesostaura, n. sp.,
Plate 131.
PLATE132.
Legion ACANTHARIA.
Orders ACTINELLIDAetACANTHONIDA.
FamiliesAstrolophida,AstrolonchidaetAmphilonchida.
Fig. 1.Amphilonche lanceolata, n. sp.,
PLATE 132.Astrolophida,AstrolonchidaetAmphilonchida.Diam.Page.Fig. 1.Amphilonche lanceolata, n. sp.,×300783Fig. 2.Amphilonche hydrotomica, n. sp.,×300786The spindle-shaped central capsule is filled up with small granules. The clear calymma forms conical sheaths for the spines, with myophriscs.Fig. 3.Amphilonche diodon, n. sp.,×300783Fig. 4.Amphilonche concreta, n. sp.,×100787A complete specimen with the cylindrical central capsule.Fig. 4a. Central part of the skeleton,×400Fig. 5.Amphilonche violina, n. sp.,×300787Fig. 6.Amphilonche conica, n. sp.,×300785The ellipsoidal central capsule contains numerous nuclei and is enclosed by the calymma. The conical sheaths of the latter include the radial spines completely and exhibit coronets of myophriscs.Fig. 7.Acantholonche amphipolaris, n. sp.,×200790Fig. 8.Acantholonche peripolaris, n. sp.,×300791Fig. 9.Amphibelone pyramidata, n. sp.,×300789Fig. 10.Amphibelone cultellata, n. sp.,×400789The central capsule contains numerous spherical nuclei and is enclosed by the hyaline calymma, which forms conical sheaths around the spines.Fig. 11.Stauracantha johannis, n. sp.,×400763Basal part of a radial spine, exhibiting the peculiar torsion of the basal leaf-cross and the central apex.Fig. 12.Astrolophus solaris, n. sp.,×200732Fig. 12a. A group of larger and smaller radial spines united in the centre.Fig. 12b. Three isolated spines (one larger and two smaller),×200Plate 132.
Fig. 1.Amphilonche lanceolata, n. sp.,
Plate 132.
PLATE133.
Legion ACANTHARIA.
Order SPHÆROPHRACTA.
FamiliesSphærocapsida,DorataspidaetPhractopeltida.
Fig. 1.Phractopelta dorataspis, n. sp.,