A monograph of the British fossil corals - kreidefossilien.de

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. xlvi BRITISH FOSSIL CORALS. coiiHuent, and not circumscribed in the compound species. Septa not distinct from the costae, and formed by complete, imperforate laminae, with the edge dentate, and the sides covered with styliform or echinidate processes, which, in general, meet so as to constitute numerous synapaticula , or transverse props, extending across the loculi like the bars of a grate. No dissepiments or tabulae, so that no part of the visceral chamber is completely closed. Walls basal, in general porous. The compound species increasing by submarginal gemmation, and not by fissiparity. Fii-st Tribe—CYCLOLITIN^. Corallum simple. Plate or basal wall having a well-developed epiiheca, presenting concentric folds. 1. Genns Cyclolites. Lamarck, Syst. des Anim. sans Vert., p. 369, 1801. Corallum circular, or nearly so, and covered with an immense number of very thin septa. Fossula oblong, narrow, and shallow. The small septa in general united to those of the older cycla. Typ. sp., Cyclolites ellipiica, Lamarck, loc. cit., p. 234. 2. Genus Pal^ocyclus. Milne Edw. and J. Haime, Comptes rend, de I'Acad. des Sc, vol. xxi.x, p. 71, 1849. Corallum circular. Fossula deep, very Inroad, and circular. Septa thick and not numerous ; none of them cemented together. Typ. sp., PalcBocyclus porpita, Milne Edw. and J. Haime, loc. cit. ; Madrepora porpita, Fougt, Lin. Amoen. Acad., t. i, tab. iv, fig. 5. Second Tribe—FUNGIN^. Corallum simple or composite. Plate or basal wall without an epitheca, in general strongly echinulate, and porous. 3. Genus Fungia. {In parte) Lamarck, Syst. des An. sans Vert., p. 369, 1801; Dana, Zooph., p. 287, 1846; Milne Edw. and J. Haime, Comptes rend., t. xxi.x, p. 71, 1849. Corallum simple, subdiscoidal. Septa very numerous, and united so as to appear ramified. Basal wall strongly echinulate, and perforated in an irregidar manner. Typ. sp., Fungia patellaris, Lamarck, loc. cit., p. 236 ; Milne Edw. and J. Haime, Ann. des Sc. Nat., t. ix, pi. vi, fig. 1
INTRODUCTION. xlvii 4. Genus Micbabacia. Milne Edw. and J. Haime, Comptes rendus, vol. xxix, p. 71, 1849. Corallum simple, lenticular, plano-convex. Septa not extremely numerous, straight. Wall scarcely echinulate, and perforated in a regular manner. Typ. sp., Micmbacia coronula, nob. ; Fungia coromda, Goldfuss, Petref. Germ., vol. i, tab. xiv, fig. 10. 5. Genus Anabacia. D'Orbigny MSS. ; Milne Edw. and J. Haime, loc. cit., p. 71, 1849. Corallum simple and lenticular. Septa extremely numerous, thin, and projecting on the under side of the corallum without forming a distinct basal wall or plate. Fossula shallow. Typ. sp., Anabacia orbulites, nob. ; Fungia orbulites, Lamouroux, Exp. Meth., tab. Ixxxiii, figs. 1, 2, 3. 6. Genus Genabacia. Milne Edw. and J. Haime, Comptes rend., t. x.xis, p. 71, 1849. CoraUum composite, formed by a parent coraUite similar to Anabacia, bearing young calicula arranged circularly. Typ. sp., Genabacia stellata, nob. ; Fungia stellata, D'Archiac, Mem. Soc. Geol. France. 7. Genus Herpolitha. Eschscholtz, Isis, 1825 ; Haliglossa, Ehrenberg, Corall., p. 50, 1834 ; Herpetolithus, Leuckart ; Dana, Zooph., p. 306, 1846. Corallum composite, free. Calicula sub-radiate, and of two sorts ; the central ones multi-lamellate, and arranged in a Une ; the others pauci-lamellate, and dispersed irregularly. Septa strong, and alternately thick and thin. Under surface of the common basal wall very echinulate. Typ. sp., Herpolitha limacina, nob. ; Madrepora piletis, Ellis and Solander, op. cit., tab. xlv. 8. Ge7ms Ckyptabacia. Milne Edw. and J. Haime, Comptes rend., t. xxix, p. 71, 1849. Corallum composite, free and convex above. Calices distinctly radiate ; the central ones arranged in a line, and more distinct than the others. Septa short, and not numerous. Under sm-face of the common basal walls strongly echinulated. Typ. sp., Cryptalatia talpa, nob. ; Fungia talpa, Lama.rck, Hist, des An. sans Vert., t. ii, p. 237.
Page 5: THE PALiEONTOGRAPHICAL SOCIETY. INS
Page 8 and 9: i. E. ADLJIED, PBINTr.B, BARTHOLOME
Page 10: e 7b-^,pi'? PRINTED BY C. AND .1. A
Page 13 and 14: INTRODUCTION. iii centre of the ram
Page 15 and 16: INTRODUCTION. v certain parts of th
Page 17 and 18: INTRODUCTION. vii in which the mult
Page 19 and 20: INTRODUCTION. ix Sub-class 1. CORAL
Page 21 and 22: ; INTRODUCTION. xi Sub-order 1. ZOA
Page 23 and 24: INTRODUCTION. xiii 3. Genus Acantho
Page 25 and 26: ; INTRODUCTION. xv formed by proces
Page 27 and 28: ; INTRODUCTION. xvii IS. Genus Plat
Page 29 and 30: INTRODUCTION. xix Aberrant Group. P
Page 31 and 32: INTRODUCTION. xxi 8. Genus Amphelia
Page 33 and 34: INTRODUCTION. xxiii 3. Genus Dkndra
Page 35 and 36: INTRODUCTION. xxv 5. Genus Ccelosmi
Page 37 and 38: INTRODUCTION. xxvii in the two prec
Page 39 and 40: ; INTRODUCTION. xxix 23. Genus Pler
Page 41 and 42: ; INTRODUCTION. xxxi 30. Genus Hete
Page 43 and 44: INTRODUCTION. xxxiii 30. Genm Symph
Page 45 and 46: ;; INTRODUCTION. xxxv 44. Gentts Tr
Page 47 and 48: LNTRODUCTION. xxxvii 50. Genus Dipl
Page 49 and 50: INTRODUCTION. xxxix Section IV.—
Page 51 and 52: ; INTRODUCTION. xli 64. Genus Astro
Page 53 and 54: INTRODUCTION. xliii which thus form
Page 55: ; INTRODUCTION. xlv 79. Genus Oclan
Page 59 and 60: INTRODUCTION. xlix 14. Genus Ctclos
Page 61 and 62: INTRODUCTION. li the sclerenchyma,
Page 63 and 64: INTRODUCTION. liii 7. Genus Stephan
Page 65 and 66: INTRODUCTION. Iv Family VII. PORITI
Page 67 and 68: . INTRODUCTION. Ivii Second Tribe
Page 69 and 70: INTRODUCTION. lix 4. Genus Fistulip
Page 71 and 72: INTRODUCTION. hi but much shorter,
Page 73 and 74: INTRODUCTION. Ixiii Family X. SERIA
Page 75 and 76: ; INTRODUCTION. Ixv Family XIII. CY
Page 77 and 78: INTRODUCTION. kvii 7. Gejius Hallia
Page 79 and 80: INTRODUCTION. hix 17. Genus Gonioph
Page 81 and 82: INTRODUCTION. Ixxi or costal radii
Page 83 and 84: INTRODUCTION. • Ixxiii The genera
Page 85 and 86: INTRODUCTION. Ixxv Family I. ALCYON
Page 87 and 88: INTRODUCTION. Ixxvii Second Tribe
Page 89 and 90: INTRODUCTION. Ixxix 1 7. Ge?ius Dis
Page 91 and 92: INTRODUCTION. Ixxxi 8. Genus Soland
Page 93 and 94: INTRODUCTION. Ixxxiii 3. Ge7lUS ViR
Page 95: INTRODUCTION. Ixxxv Order 3. PODACT
Page 98 and 99: CORALS OF THE UPPER CHALK. 46 towar
Page 100 and 101: CORALS OF THE UPPER CHALK. 47 Famil
Page 102 and 103: : CORALS FROIM THE UPPER CHALK. 49
Page 104 and 105: CORALS FROM THE UPPER CHALK. 51 Tho
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CORALS FROM THE LOWER CHALK. 53 CHA
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CORALS FROM THE LOWER CHALK. 55 the
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CORALS FROM THE UPPER GREENSAND. 57
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; CORALS FROM THE UPPER GREENSAND.
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CORALS FROM THE GAULT. CHAPTER VI.
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; CORALS FROM THE GAULT. 03 3. Genu
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CORALS FROM THE GAULT. 65 found nea
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CX)RALS FROM THE GAULT. G7 and have
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' Petref. : ; CORALS FROM THE GAULT
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; CORALS FROM THE LOWER GREENSAND.
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TAB. IX. CORALS FROM THE UPPER CHAL
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TAB. XI. CORALS FROM THE GAULT. Cya
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302 TABLE OF BRITISH FOSSIL CORALS.
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304 TABLE OF BRITISH FOSSIL CORALS.
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A. GENERAL INDEX;
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308 GENERAL INDEX.
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310 GENERAL INDEX.
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312 GENERAL INDEX. Dendrophyllia de
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314 GENERAL INDEX. . Halysites cate
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310 GENERAL INDEX.
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318 GENERAL INDEX.
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320 GENERAL INDEX.
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322 GENERAL INDEX. Xenia Zaphrentis
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