LEGION SPUMELLARIA.
Order DISCOIDEA.
Families PORODISCIDA et SPONGODISCIDA.
Fig. 1. _Porodiscus flustrella_, n. sp., × 300 493
Fig. 2. _Porodiscus perispira_, n. sp., × 200 495
The rings alone (equatorial section).
Fig. 3. _Porodiscus quadrigatus_, n. sp., × 200 494
The rings alone (equatorial section).
Fig. 4. _Porodiscus semispiralis_, n. sp., × 500 497
Fig. 5. _Perichlamydium saturnus_, n. sp., × 300 499
Fig. 6. _Porodiscus centrospira_, n. sp. (vel
_Perispongidium centrospira_), × 200 495
The rings alone (equatorial section).
Fig. 7. _Porodiscus irregularis_, n. sp. (vel
_Perispongidium irregulare_), × 200 498
The rings alone (equatorial section).
Fig. 8. _Stylodictya heliospira_, n. sp., × 400 512
Fig. 9. _Stylodictya centrospira_, n. sp., × 400 512
Fig. 10. _Stylochlamydium asteriscus_, n. sp., × 400 514
Fig. 11. _Stylotrochus geddesii_, n. sp., × 300 585
[Illustration: 1.-4. PORODISCUS, 5. PERICHLAMYDIUM. 6. 7. PERISPONGIDIUM,
8.-9. STYLODICTYA, 10. STYLOCHLAMYDIUM, 11. STYLOSPONGIDIUM.]
PLATE 42.
LEGION SPUMELLARIA.
Order DISCOIDEA.
Family PORODISCIDA.
Fig. 1. _Staurodictya elegans_, n. sp., × 500 507
Fig. 2. _Staurodictya ciliata_, n. sp., × 400 506
Fig. 3. _Staurodictya medusa_, n. sp., × 400 506
Fig. 4. _Staurodictya cruciata_, n. sp., × 300 507
Fig. 5. _Staurodictya cruciata_, n. sp., × 300 507
Vertical section through the disk.
Fig. 6. _Staurodictya grandis_, n. sp., × 300 508
Vertical section through the disk.
Fig. 7. _Tripodictya triacantha_, n. sp., × 400 505
Fig. 8. _Tripodictya trigonaria_, n. sp., × 400 505
Fig. 9. _Tripodictya tribelonia_, n. sp., × 400 505
Vertical section through the disk.
Fig. 10. _Xiphodictya amphibelonia_, n. sp., × 300 503
Marginal view.
Fig. 11. _Xiphodictya amphirrhopalia_, n. sp., × 400 504
Fig. 12. _Xiphodictya staurospira_, n. sp., × 500 504
[Illustration: 1.-6. STAURODICTYA, 7.-9. TRIPODICTYA, 10.-12. XIPHODICTYA.]
PLATE 43.
LEGION SPUMELLARIA.
Order DISCOIDEA.
Family PORODISCIDA.
Fig. 1. _Rhopalastrum malleus_, n. sp., × 100 527
Fig. 2. _Rhopalastrum ypsilinum_, n. sp., × 50 528
Fig. 3. _Rhopalastrum hexaceros_, n. sp., × 100 529
Fig. 4. _Rhopalastrum triceros_, n. sp., × 50 529
Fig. 5. _Rhopalastrum trispinosum_, n. sp. (vel
_Dictyastrum trispinosum_), × 150 525
Fig. 6. _Rhopalastrum arcticum_, n. sp., × 300 539
Fig. 7. _Rhopalastrum hexagonum_, n. sp. (vel _Dictyastrum
hexagonum_), × 100 525
Fig. 8. _Rhopalastrum irregulare_, n. sp., × 100 528
Fig. 9. _Euchitonia lanceolata_, n. sp., × 80 534
Fig. 10. _Euchitonia carcinus_, n. sp., × 300 535
Fig. 11. _Euchitonia echinata_, n. sp., × 120 536
Fig. 12. _Euchitonia stohrii_, n. sp., × 100 534
Fig. 13. _Hymeniastrum euclidis_, n. sp., × 200 531
Fig. 14. _Chitonastrum jugatum_, n. sp., × 200 537
Fig. 15. _Chitonastrum lyra_, n. sp., × 500 538
A living specimen observed. The entire shell is enveloped
by the calymma and surrounded by radiating pseudopodia
(drawn much too short). Between the two paired arms
arises a large "sarcode-flagellum." The central chamber
and the first enveloping ring are filled by the clear
nucleus; the other rings and all the chambers of the
arms contain numerous pink oil-globules.
Fig. 16. _Trigonastrum regulare_, n. sp. (vel _Chitonastrum
regulare_), × 200 539
[Illustration: 1.-8. RHOPALASTRUM, 9.-11. HYMENIASTRUM, 12. 13. EUCHITONIA,
14. 15. DICTYASTRUM, 16. CHITONASTRUM.]
PLATE 44.
LEGION SPUMELLARIA.
Order DISCOIDEA.
Family PORODISCIDA.
Fig. 1. _Stephanastrum capitatum_, n. sp., × 200 549
Fig. 2. _Pentinastrum asteriscus_, n. sp., × 300 557
Fig. 3. _Pentalastrum ophidiaster_, n. sp., × 100 557
Fig. 4. _Hexinastrum geryonidum_, n. sp., × 300 560
Fig. 5. _Hexalastrum orchidaceum_, n. sp., × 50 560
Fig. 6. _Amphibrachium dilatatum_, n. sp., × 50 517
Fig. 7. _Amphymenium zygartus_, n. sp., × 400 520
Fig. 8. _Amphymenium pupula_, n. sp., × 300 519
Fig. 9. _Amphymenium amphistylium_, n. sp., × 200 520
Fig. 10. _Amphicraspedum murrayanum_, n. sp., × 300 523
Fig. 11. _Amphymenium monstrosum_, n. sp., × 300 520
[Illustration: 1. STEPHANASTRUM, 2. 3. PENTALASTRUM, 4. 5. HEXALASTRUM, 6.
AMPHIBRACHIUM, 7.-11. AMPHYMENIUM.]
PLATE 45.
LEGION SPUMELLARIA.
Order DISCOIDEA.
Family PORODISCIDA.
Fig. 1. _Stauralastrum rhopalophorum,_ n. sp., × 200 541
Fig. 2. _Dicranastrum cornutum_, n. sp., × 200 551
Fig. 3. _Hagiastrum mosis_, n. sp., × 100 543
Fig. 4. _Hagiastrum mosis_, n. sp., × 50 543
Lateral view, from the edge.
Fig. 5. _Hagiastrum buddhæ_, n. sp., × 50 542
Fig. 6. _Stauralastrum cruciforme_, n. sp. (in glycerine), × 500 540
The central capsule contains a large central nucleus with
nucleolus, and is surrounded by the jelly calymma and
numerous small zooxanthellæ. The endoplasm is radially
striped.
Fig. 7. _Tesserastrum democriti_, n. sp., × 100 548
Fig. 8. _Tesserastrum straussii_, n. sp., × 500 547
Fig. 9. _Tesserastrum brunonis_, n. sp., × 200 548
Disk seen from the edge.
Fig. 10. _Amphirhopalum echinatum_, n. sp., × 300 522
Fig. 11. _Amphicraspedum maclaganium_, n. sp., × 100 523
Fig. 12. _Amphicraspedum wyvilleanum_, n. sp., × 300 523
[Illustration: 1.-6. HAGIASTRUM, 7.-9. HISTIASTRUM, 10. AMPHIRHOPALUM, 11.
12. AMPHICRASPEDUM.]
PLATE 46.
LEGION SPUMELLARIA.
Order DISCOIDEA.
Family PORODISCIDA.
Fig. 1. _Histiastrum boseanum_, n. sp., × 400 546
Fig. 2. _Histiastrum pentadiscus_, n. sp., × 200 546
Fig. 3. _Histiastrum quadrigatum_, n. sp., × 300 544
Fig. 4. _Histiastrum velatum_, n. sp., × 200 545
Fig. 5. _Stephanastrum quadratum_, n. sp., × 200 549
[Illustration: 1.-3. HISTIASTRUM, 4. DICTYASTRUM, 5. STEPHANASTRUM.]
PLATE 47.
LEGION SPUMELLARIA.
Order DISCOIDEA.
Family PORODISCIDA.
Fig. 1. _Dicranastrum bifurcatum_, n. sp., × 200 552
Fig. 1_a._ Central disc of the same, × 600
Fig. 2. _Dicranastrum furcatum_, n. sp., × 100 550
Fig. 3. _Dicranastrum wyvillei_, n. sp., × 100 551
Fig. 4. _Pentophiastrum forcipatum_, n. sp., × 50 559
Fig. 5. _Pentophiastrum caudatum_, n. sp., × 50 559
Fig. 6. _Myelastrum papilio_, n. sp., × 50 554
Fig. 7. _Myelastrum decaceros_, n. sp., × 20 554
Fig. 8. _Myelastrum heteropterum_, n. sp., × 20 553
Fig. 9. _Myelastrum anomalum_, n. sp., × 50 556
Fig. 10. _Myelastrum farfalla_, n. sp., × 50 554
Fig. 11. _Myelastrum dodecaceros_, n. sp., × 100 554
Fig. 12. _Myelastrum octocorne_, n. sp., × 90 553
Fig. 13. _Myelastrum medullare_, n. sp., × 50 553
[Illustration: 1. 2. DICRANASTRUM, 3. TRICANASTRUM, 4. 5. PENTALASTRUM,
6.-13. MYELASTRUM.]
PLATE 48.
LEGION SPUMELLARIA.
Orders PRUNOIDEA ET DISCOIDEA.
Families ELLIPSIDA, ARTISCIDA, SPONGURIDA, CENODISCIDA, PORODISCIDA et
PYLODISCIDA.
Fig. 1. _Cenodiscus phacoides_, n. sp., × 100 411
Fig. 1_a._ Vertical section.
Fig. 2. _Crucidiscus endostaurus_, n. sp., × 200 416
Equatorial section.
Fig. 3. _Trochodiscus stellaris_, n. sp., × 200 418
Fig. 4. _Axoprunum stauraxonium_, n. sp., × 300 298
Equatorial section.
Fig. 5. _Stylartus bipolaris_, n. sp., × 200 357
Vertical section.
Fig. 6. _Spongocore puella_, n. sp., × 300 347
Fig. 7. _Spongoprunum amphilonche_, n. sp., × 300 347
Fig. 8. _Stomatodiscus osculatus_, n. sp., × 600 503
Fig. 9. _Archidiscus stauroniscus_, n. sp., × 400 487
Fig. 9_a._ Marginal view.
Fig. 10. _Archidiscus hexoniscus_, n. sp., × 400 488
Fig. _10a._ Marginal view.
Fig. 11. _Archidiscus pyloniscus_, n. sp., × 400 488
Fig. _11a._ Marginal view.
Fig. 12. _Triolena primordialis_, n. sp., × 800 564
Fig. 13. _Triopyle hexagona_, n. sp., × 600 565
Fig. 14. _Triodiscus spinosus_, n. sp., × 600 565
Fig. 15. _Pylolena armata_, n. sp., × 300 568
Fig. 16. _Hexapyle dodecantha_, n. sp., × 300 569
Fig. 17. _Pylodiscus triangularis_, n. sp., × 400 570
Fig. 18. _Discozonium hexagonium_, n. sp., × 400 572
Fig. 19. _Discopyle osculata_, n. sp., × 400 573
Fig. 20. _Discopyle elliptica_, n. sp., × 400 573
[Illustration: 1.-3. CENODISCUS, 4. AXOPRUNUM, 5. STYLARTUS, 6. SPONGOCORE,
7. SPONGOPRUNUM, 8. STOMATODISCUS, 9.-11. ARCHIDISCUS, 12.-20. PYLODISCUS.]
PLATE 49.
LEGION SPUMELLARIA.
Order LARCOIDEA.
Families LITHELIDA, STREBLONIDA, PHORTICIDA et SOREUMIDA.
Fig. 1. _Spirema melonia_, n. sp., × 300 692
Fig. 2. _Lithelius solaris_, n. sp. (the first central
convolutions only), × 300 695
Fig. 3. _Larcospira quadrangula_, n. sp., × 300 696
Fig. 4. _Pylospira octopyle_, n. sp., × 300 698
Fig. 5. _Tholospira cervicornis_, n. sp., × 300 700
Fig. 6. _Tholospira dendrophora_, n. sp., × 300 700
Fig. 7. _Spironium octonium_, n. sp., × 300 701
Fig. 8. _Streblacantha siderolina_, n. sp., × 300 706
Fig. 8_a_. Outlines of the chambers, × 200
Fig. 9. _Streblopyle helicina_, n. sp., × 300 707
Fig. 10. _Phorticium pylonium_, n. sp., × 300 709
Fig. 11. _Spongophortis larnacilla_, n. sp., × 200 711
Fig. 11_a._ The upper half of the cortical shell is
removed.
Figs. 11_b_ to _11d_. The enclosed medullary
_Larnacilla_-shell. _b_, Dorsal view; _c_, lateral
view; _d_, basal view.
Fig. 12. _Soreuma irregulare_, n. sp., × 200 713
Fig. 13. _Sorolarcus larnacillifer_, n. sp., × 300 715
[Illustration: 1.-7. LITHELIUS, 8. 9. STREBLONIA, 10. 11. PHORTICIUM, 12.
13. SOREUMA.]
PLATE 50.
LEGION SPUMELLARIA.
Order LARCOIDEA.
Families LARCARIDA, LARNACIDA et ZONARIDA.
Fig. 1. _Larnacilla typus_, n. sp., × 300 617
From the sagittal pole (dorsal view).
Fig. 1_a_. From the lateral pole (sagittal section).
Fig. 1_b_. From the principal pole (equatorial section).
Fig. 2. _Larnacalpis lentellipsis_, n. sp., × 400 620
From the sagittal pole (dorsal view).
Fig. 2_a_. From the lateral pole (sagittal section).
Fig. 2_b_. From the principal pole (equatorial section).
Fig. 3. _Larnacalpis triaxonia_, n. sp., × 400 621
From the sagittal pole (dorsal view).
Fig. 4. _Larnacantha hexacantha_, n. sp., × 400 622
From the sagittal pole (dorsal view).
Fig. 5. _Larnacantha bicruciata_, n. sp., × 300 623
Frontal view.
Fig. 6. _Larnacantha prismatica_, n. sp., × 300 623
Half frontal, half lateral view.
Fig. 7. _Cenolarcus primordialis_, n. sp., × 300 607
From the sagittal pole.
Fig. 7_a_. From the lateral pole.
Fig. 7_b_. From the principal pole.
Fig. 8. _Larcidium dodecanthum_, n. sp., × 300 612
From the sagittal pole.
Fig. 8_a_. From the principal pole.
Fig. 9. _Zonarium octangulum_, n. sp., × 300 685
Frontal view.
Fig. 10. _Zoniscus tetracanthus_, n. sp., × 300 687
Frontal view.
Fig. 11. _Zoniscus hexatholius_, n. sp., × 400 687
Dorsal view (from the sagittal pole).
Fig. 11_a_. Lateral view (from the frontal pole).
Fig. 12. _Zonidium octotholium_, n. sp., × 300 688
Frontal section (from the sagittal pole).
Fig. 12_a_. Lateral view (from the frontal pole).
[Illustration: 1. LARNACILLA, 2-6. LARNACALPIS, 7. CENOLARCUS, 8.
LARCIDIUM, 9-12. ZONARIUM.]
PLATE 51.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Families TRIPOCALPIDA, PHÆNOCALPIDA et CYRTOCALPIDA.
Fig. 1. _Tripterocalpis phylloptera_, n. sp., × 400 1138
Fig. 2. _Tripterocalpis conoptera_, n. sp., × 300 1138
Fig. 3. _Tripterocalpis ogmoptera_, n. sp., × 300 1138
Fig. 4. _Tripterocalpis ogmoptera_, n. sp., × 500 1138
A group of confluent pores, more enlarged.
Fig. 5. _Tripterocalpis ogmoptera_, n. sp., × 300 1138
Central capsule. In the centre the striate podoconus, above
it four oil-globules, to the right the nucleus.
Fig. 6. _Tripocalpis triserrata_, n. sp., × 600 1136
Fig. 7. _Tridictyopus conicus_, n. sp., × 300 1145
Fig. 8. _Tridictyopus vatillum_, n. sp., × 400 1145
Fig. 9. _Cyrtophormis spiralis_, n. sp., × 400 1166
Fig. 10. _Archicorys ovata_, n. sp., × 300 1185
Fig. 11. _Cyrtocalpis gromia_, n. sp., × 400 1188
Fig. 12. _Archicorys microstoma_, n. sp., × 400 1185
Fig. 13. _Cyrtocalpis urceolus_, n. sp., × 500 1186
The ovate central capsule exhibits in the lower half the
podoconus, in the upper half the spherical nucleus and
three oil-globules. Between the capsule and the shell
numerous xanthellæ, partly protruded through the
shell-mouth along the radiating pseudopodia.
[Illustration: 1.-6. TRIPTEROCALPIS, 7. 8. TRIDICTYOPUS, 9.-13.
CYRTOCALPIS.]
PLATE 52.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Families TRIPOCALPIDA, PHÆNOCALPIDA, CYRTOCALPIDA et ANTHOCYRTIDA.
Fig. 1. _Cyrtophormis pila_, n. sp., × 300 1165
Fig. 2. _Cyrtophormis ærostatica_, n. sp., × 300 1166
Fig. 3. _Cyrtophormis ærostatica_, n. sp., × 300 1166
Longitudinal section.
Fig. 4. _Cyrtocalpis sethopora_, n. sp., × 600 1187
Fig. 5. _Cyrtocalpis lithomitra_, n. sp., × 400 1187
Fig. 6. _Cyrtocalpis lithomitra_, n. sp., × 400 1187
Longitudinal section.
Fig. 7. _Cyrtocalpis compacta_, n. sp., × 400 1187
Fig. 8. _Cyrtocalpis compacta_, n. sp., × 400 1187
Longitudinal section.
Fig. 9. _Carpocanistrum flosculum_, n. sp., × 400 1171
Fig. 10. _Carpocanistrum cephalum_, n. sp., × 300 1171
Fig. 11. _Carpocanistrum evacuatum_, n. sp., × 400 1172
Fig. 12. _Carpocanium verecundum_, n. sp., × 400 1284
Vertical section through the top of the shell.
Fig. 13. _Carpocanium verecundum_, n. sp., × 400 1284
Fig. 14. _Carpocanium irregulare_, n. sp., × 400 1284
Fig. 15. _Carpocanium hexagonale_, n. sp., × 400 1282
Fig. 16. _Carpocanium peristomium_, n. sp., × 500 1283
Fig. 17. _Carpocanium peristomium_, n. sp., × 500 1283
Vertical section.
Fig. 18. _Carpocanium trepanium_, n. sp., × 600 1282
Peristome.
Fig. 19. _Carpocanium petalospyris_, n. sp., × 300 1283
Fig. 20. _Carpocanium virgineum_, n. sp., × 600 1285
Fig. 21. _Tripodiscium sphærocephalum_, n. sp., × 400 1144
Fig. 22. _Tripodiscium tristylospyris_, n. sp. (vel
_Tristylospyris tripodiscium_), × 600 1143
Fig. 23. _Tripodiscium ramosum_, n. sp. (vel
_Tristylospyris ramosa_), × 600 1144
[Illustration: 1.-8. CYRTOCALPIS, 9.-20. CARPOCANIUM, 21.-23.
TRIPODISCIUM.]
PLATE 53.
LEGION NASSELLARIA.
Orders SPYROIDEA ET CYRTOIDEA.
Families ZYGOSPYRIDA, TRIPOCALPIDA, PHÆNOCALPIDA et CYRTOCALPIDA.
Fig. 1. _Archicapsa triforis_, n. sp., × 300 1191
Lateral view.
Fig. 2. _Archicapsa triforis_, n. sp., × 300 1191
Basal view.
Fig. 3. _Halicapsa triglochin_, n. sp., × 200 1190
Lateral view.
Fig. 4. _Halicapsa triglochin_, n. sp., × 200 1191
Basal view.
Fig. 5. _Halicapsa hystrix_, n. sp., × 200 1191
Lateral view.
Fig. 6. _Halicapsa hystrix_, n. sp., × 200 1191
Basal view.
Fig. 7. _Cantharospyris platybursa_, n. sp. (vel
_Platybursa compressa_), × 400 1051
Fig. 8. _Tessarospyris clathrobursa_, n. sp. (vel
_Clathrobursa dictyopus_), × 400 1045
Fig. 9. _Peridium spinipes_, n. sp., × 500 1154
Fig. 10. _Peridium palmipes_, n. sp., × 500 1154
Fig. 11. _Archiscenium quadrispinum_, n. sp., × 500 1150
In the spherical central capsule the dark nucleus is
visible.
Fig. 12. _Euscenium eucolpium_, n. sp., × 500 1147
Fig. 13. _Cladoscenium ancoratum_, n. sp., × 400 1149
Fig. 14. _Pteroscenium pinnatum_, n. sp., × 400 1152
Lateral view.
Fig. 15. _Pteroscenium pinnatum_, n. sp., × 400 1152
Vertical section.
Fig. 16. _Pteroscenium pinnatum_, n. sp., × 400 1152
Basal view.
Fig. 17. _Calpophæna hexarrhabda_, n. sp., × 400 1176
Fig. 18. _Calpophæna hexarrhabda_, n. sp., × 400 1176
Basal plate.
Fig. 19. _Tetraspyris tetracorethra_, n. sp., × 400 1044
With the four-lobed central capsule, in each lobe an
oil-globule.
Fig. 20. _Tetraspyris tetracorethra_, n. sp., × 800 1044
Shell more enlarged.
[Illustration: 1. 2. ARCHICAPSA, 3.-6. HALICAPSA, 7. PLATYBURSA, 8.
CLATHROBURSA, 9. 10. ARCHIPERA, 11. 12. ARCHISCENIUM, 13. CLADOSCENIUM,
14.-16. PTEROSCENIUM, 17. 18. ACROCORONA, 19. 20. TETRACORETHRA.]
PLATE 54.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Families PHÆNOCALPIDA, CYRTOCALPIDA, ANTHOCYRTIDA et SETHOCYRTIDA.
Fig. 1. _Bathropyramis quadrata_, n. sp., × 300 1159
Fig. 2. _Sethopyramis quadrata_, n. sp., × 300 1254
Fig. 3. _Bathropyramis trapezoides_, n. sp., × 300 1160
Fig. 4. _Bathropyramis ramosa_, n. sp., × 300 1161
Fig. 5. _Peripyramis circumtexta_, n. sp., × 300 1162
Fig. 6. _Plectopyramis dodecomma_, n. sp., × 400 1258
Fig. 7. _Cinclopyramis infundibulum_, n. sp., × 300 1161
Fig. 8. _Plectopyramis trapezomma_, n. sp., × 400 1258
Fig. 9. _Cornutella hexagona_, n. sp., × 400 1180
Fig. 10. _Cornutella sethoconus_, n. sp., × 400 1180
Fig. 11. _Sethoconus orthoceras_, n. sp., × 400 1294
Fig. 12. _Sethoconus bimarginatus_, n. sp., × 400 1295
[Illustration: 1.-4. BATHROPYRAMIS, 5. PERIPYRAMIS, 6.-8. CINCLOPYRAMIS,
9.-12. CORNUTELLA.]
PLATE 55.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Families PHÆNOCALPIDA, ANTHOCYRTIDA et SETHOCYRTIDA.
Fig. 1. _Sethoconus facetus_, n. sp. (vel _Phlebarachnium
facetum_), × 300 1296
Upper part of the shell.
Fig. 2. _Sethoconus venosus_, n. sp. (vel _Phlebarachnium
venosum_), × 250 1297
Shell including the four-lobed central capsule.
Fig. 3. _Sethophormis aurelia_, n. sp. (vel _Leptarachnium
aurelia_), × 100 1248
Shell seen from above.
Fig. 4. _Sethophormis aurelia_, n. sp., × 400 1248
Cephalis more enlarged, with the enclosed four-lobed
central capsule.
Fig. 5. _Cladarachnium ramosum_, n. sp., × 300 1165
Apical view.
Fig. 6. _Cladarachnium ramosum_, n. sp., × 70 1165
Lateral view.
Fig. 7. _Bathropyramis interrupta_, n. sp., × 300 1160
Apical part of the shell, from above.
Fig. 8. _Litharachnium araneosum_, n. sp., × 300 1163
Apical part of the shell, from above.
Fig. 9. _Litharachnium epeira_, n. sp., × 500 1164
Oblique view of the shell.
Fig. 10. _Litharachnium araneosum_, n. sp., × 50 1163
Lateral view.
Fig. 11. _Periarachnium periplectum_, n. sp., × 500 1297
Shell enclosing the trilobed central capsule.
[Illustration: 1. 2. PHLEBARACHNIUM, 3. 4. LEPTARACHNIUM, 5.-10.
LITHARACHNIUM, 11. PERIARACHNIUM.]
PLATE 56.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Families TRIPOCYRTIDA, ANTHOCYRTIDA et SETHOCYRTIDA.
Fig. 1. _Lithomelissa bütschlii,_ n. sp. (vel _Sethomelissa
bütschlii_), × 400 1207
Fig. 2. _Lithomelissa decacantha,_ n. sp. (vel
_Sethomelissa decacantha_), × 400 1208
Fig. 3. _Psilomelissa calvata,_ n. sp., × 400 1209
The cephalis alone, with the three collar beams.
Fig. 4. _Lychnodictyum scaphopodium,_ n. sp., × 400 1231
Fig. 5. _Sethophormis pentalactis,_ n. sp. (vel
_Pentaphormis pentalactis_), × 400 1244
Oblique view of the shell, from below.
Fig. 6. _Sethophormis hexalactis,_ n. sp. (vel _Hexaphormis
hexalactis_), × 400 1245
Central part of the shell, with the cortinar septum.
Fig. 7. _Sethopyramis enneactis,_ n. sp. (vel
_Cephalopyramis enneactis_), × 400 1254
Fig. 8. _Plectopyramis polypleura,_ n. sp. (vel
_Sethopyramis polypleura_), × 200 1260
Fig. 9. _Sethophormis eupilium,_ n. sp. (vel _Craspedilium
eupilium_), × 400 1247
Fig. 10. _Plectopyramis spongiosa,_ n. sp. (vel
_Spongopyramis spongiosa_), × 400 1261
Fig. 11. _Arachnocorys araneosa,_ n. sp., × 500 1266
Fig. 12. _Sethophormis dodecaster,_ n. sp. (vel
_Astrophormis dodecaster_), × 200 1248
Fig. 13. _Sethocephalus eucecryphalus,_ n. sp., × 400 1298
[Illustration: 1. 2. SETHOMELISSA, 3. 4. PSILOMELISSA, 5. PENTAPHORMIS, 6.
HEXAPHORMIS, 7. CEPHALOPYRAMIS, 8. 9. SETHOPYRAMIS, 10. PLECTOPYRAMIS, 11.
12. ARACHNOCORYS, 13. SETHOCEPHALUS.]
PLATE 57.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Families TRIPOCYRTIDA, ANTHOCYRTIDA et SETHOCYRTIDA.
Fig. 1. _Dicolocapsa microcephala_, n. sp., × 400 1312
Fig. 2. _Sethocapsa pyriformis_, n. sp., × 300 1310
Fig. 3. _Lithopera ananassa_, n. sp., × 500 1234
Fig. 4. _Sethamphora favosa_, n. sp. (vel _Cryptoprora
favosa_), × 400 1252
Fig. 5. _Sethamphora microstoma_, n. sp. (vel _Cryptoprora
microstoma_), × 300 1252
Fig. 6. _Clistophæna hexolena_, n. sp., × 300 1287
Fig. 7. _Clistophæna armata_, n. sp., × 300 1288
Fig. 8. _Clathromitra pterophormis_, n. sp., × 400 1219
Fig. 9. _Sethophormis rotula_, n. sp. (vel _Enneaphormis
rotula_), × 400 1246
Fig. 10. _Dictyophimus sphærocephalus_, n. sp., × 400 1195
Fig. 11. _Peromelissa phalacra_, n. sp., × 400 1236
Fig. 12. _Peromelissa calva_, n. sp., × 300 1237
Fig. 13. _Sethochytris triconiscus_, n. sp., × 300 1239
Fig. 14. _Micromelissa bombus_, n. sp., × 300 1235
[Illustration: 1. SETHOCAPSA, 2. 3. LITHOPERA, 4. 5. CRYPTOPRORA, 6. 7.
SETHOPHATNA, 8. PTEROPHORMIS, 9. ENNEAPHORMIS, 10. DICTYOPHIMUS, 11. 12.
PEROMELISSA, 13. SETHOCHYTRIS, 14. SETHOPERA.]
PLATE 58.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Families TRIPOCYRTIDA, SETHOCYRTIDA, PHORMOCYRTIDA et THEOCYRTIDA.
Fig. 1. _Cecryphalium sestrodiscus_, n. sp., × 400 1399
Apical view.
Fig. 2. _Cecryphalium lamprodiscus_, n. sp., × 400 1398
Apical view.
Fig. 3. _Clathrocyclas coscinodiscus_, n. sp., × 400 1389
Apical view.
Fig. 4. _Clathrocyclas coscinodiscus_, n. sp., × 700 1389
The cephalis alone, with the two horns.
Fig. 5. _Clathrocyclas semeles_, n. sp., × 400 1388
Lateral view.
Fig. 6. _Sethoconus capreolus_, n. sp., × 400 1291
Lateral view.
Fig. 7. _Lampromitra quadricuspis_, n. sp., × 400 1214
Apical view.
Fig. 8. _Lampromitra furcata_, n. sp., × 400 1215
The collar septum after removal of the cephalis.
Fig. 9. _Lampromitra dendrocorona_, n. sp., × 400 1216
Apical view.
[Illustration: 1. 2. CECRYPHALIUM, 3.-6. EUCECRYPHALUS. 7.-9. LAMPROMITRA.]
PLATE 59.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Families TRIPOCYRTIDA, PODOCYRTIDA et PHORMOCYRTIDA.
Fig. 1. _Lampromitra huxleyi_, n. sp., × 400 1215
Fig. 2. _Amphiplecta callistoma_, n. sp., × 400 1224
Fig. 3. _Corocalyptra agnesæ_, n. sp., × 400 1323
Fig. 4. _Corocalyptra emmæ_, n. sp., × 400 1323
The shell encloses the trilobate central capsule, with the
trilobate nucleus.
Fig. 5. _Clathrocyclas cassiopejæ_, n. sp., × 400 1390
Fig. 6. _Clathrocyclas alcmenæ_, n. sp., × 400 1388
Fig. 7. _Clathrocyclas latonæ_, n. sp., × 400 1389
Apical view.
Fig. 8. _Diplocylas bicorona_, n. sp., × 400 1392
Fig. 9. _Clathrocyclas ionis_, n. sp., × 400 1389
Fig. 10. _Corocalyptra elisabethæ_, n. sp., × 400 1323
Oblique apical view of the shell, with the quadrilobate
central capsule enclosed.
Fig. 11. _Clathrocyclas europæ_, n. sp., × 400 1388
Apical view of the shell, after removal of the cephalis.
Fig. 12. _Clathrocyclas europæ_, n. sp., × 400 1388
Central capsule, seen from above, with the quadrilobate
nucleus.
Fig. 13. _Clathrocyclas danaës_, n. sp., × 300 1388
Vertical section through the cephalis and the quadrilobate
central capsule, with the quadrilobate nucleus.
Fig. 14. _Clathrocyclas danaës_, n. sp., × 300 1388
Apical view of the shell.
[Illustration: 1.-10. EUCECRYPHALUS, 11.-14. CECRYPHALIUM.]
PLATE 60.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Family TRIPOCYRTIDA.
Fig. 1. _Dictyophimus cienkowskii_, n. sp. (vel
_Lamprotripus squarrosus_), × 300 1200
Shell seen from the side.
Fig. 2. _Dictyophimus bütschlii_, n. sp. (vel _Lamprotripus
horridus_), × 300 1201
Fig. 3. _Dictyophimus hertwigii_, n. sp. (vel _Lamprotripus
spinosus_), × 400 1201
The cephalis of the shell includes the central capsule,
with three lobes depending in the pyramidal thorax.
Fig. 4. _Dictyophimus platycephalus_, n. sp., × 400 1198
Central capsule with four thoracic lobes, each of which
contains an oil-globule; kidney-shaped nucleus in the
cephalic lobe.
Fig. 5. _Dictyophimus platycephalus_, n. sp., × 400 1198
Shell seen from the side.
Fig. 6. _Dictyophimus brandtii_, n. sp., × 300 1198
Shell seen from the base, with the four large pores of the
collar septum, two minor jugular and two major cardinal
pores.
Fig. 7. _Lampromitra coronata_, n. sp., × 400 1214
Shell seen from below, with the quadrilobate central
capsule.
Fig. 7_a_. A portion of the shell-margin, × 800 1214
Fig. 8. _Lampromitra arborescens_, n. sp., × 400 1216
Shell from above.
Fig. 8_a_. The collar septum with the four crossed rods of
the cortina, × 400 1216
Fig. 9. _Tripocyrtis plectaniscus_, n. sp., × 400 1202
Fig. 10. _Tripocyrtis plagoniscus_, n. sp., × 400 1201
[Illustration: 1.-6. LAMPROTRIPUS, 7.-10. LAMPROMITRA.]
PLATE 61.
LEGION NASSELLARIA.
Order CYRTOIDEA.
Family TRIPOCYRTIDA.
Fig. 1. _Dictyophimus cortina_, n. sp., × 400 1197
Fig. 2. _Lychnocanium pudicum_, n. sp., × 200 1230
Fig. 3. _Dictyophimus longipes_, n. sp., × 400 1197
Fig. 4. _Lychnocanium clavigerum_, n. sp., × 300 1230