A monograph of the British fossil corals - kreidefossilien.de

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Ixxxii BRITISH FOSSIL CORALS. 12. Genus Melit^a. Lamoui-oux, Polyp. Flex., p. 4G1, 1816. A.xis composed of joints, wbicli are alternately calcareous and suberous. Typ. sp., Meliteea ochracea, Lamouroux, loc. cit., p. 462. Thii-d Tribe- CORALLINvE. Dana, loc. cit., p. 6.39, 1846. Common axis inarticulate, solid and calcareous. 13. Genus Corallium. Lamarck, Hist, des Anim. sans Vert., t. ii, p. 295, 1816. Typ. sp., Corallium niLnun, Cavolini, Mem. per Servire all. Hist, des Polypi Marini, tab. ii. Family III. PENNATULID.'E. Pennatula, Linnseus, Syst. Nat., lOtli ed., p. 818 ; Pallas, Eleu. Zooph., p. 362, 1766 ; Polypi natantes, Lamarck, op. cit., p. 415 ; Pennatulido:, Fleming, Brit. Animals, p. 507, 1828 ; Pennatularia, Blainville, Manuel, p. 512, 1830; Calomides, Latreille, Fam. du Reg. Anim. p. 543; Pennatulina, Ehrenberg, loc. cit., p. 63, 1834 ; Pennatulidce, Johnston, Brit. Zooph., p. 175 ; Dana, Explor. Exped. p. 587, 1846. Polypi aggregate, and having a common peduncle, the centre of which is occupied by a peculiar cavity, and usually contains a solid axis ; this sclerobasis styliform, and never expanding at its under extremity, so as to adhere to extraneous bodies. The polypi mass is consequently free. 1 . Genus Pennatula. (In parte.) Linnteus, Syst. Nat., 10th cd., p. 818, 1760; Lamarck, Syst. des An. sans Vert., p. 380, 1801. Polype mass plinne-shaped, with the shaft composed of contractile common tissue, containing a short subosseous axis, and bearing on each side of its upper part a series of large spreading pinnules, on the upper edge of which, the retractile exhalic portion of the polypi protudes. The axis is cylindrical at its upper part, and more or less quadrangular towards its lower end ; its structure is somewhat iibrous, and its tissue is not very brittle. Typ. sp., Pennahda setacea, Esper, Pflanz., Penuat. tab. vii.
INTRODUCTION. Ixxxiii 3. Ge7lUS ViRGULARIA. Lamarck, Hist, des Anim. sans Verteb. vol. ii, p. 429, 181G. Differs from Pennatula by the length of its shaft and the shortness of its pinnules, which assume the form of lunate lobes, or simple transverse striae. Axis cylindrical, calcareous, very long, slender, tapering, and presenting in its transverse section a radiate structure. Typ. sp., Viryularia mirahilis, Lamk. ; Pennatula niirabilis, Miiller, Zool. Danica, vol. i, tab. xi. 3. Geims Pavonari.-v. Cuvier, Regne Animal, vol. iv, p. 8.5, 1816 ; Funicularia, Lamarck, op. cit., p. 423, 181 G. Polype mass vu'gate ; the polypi not retractile, arranged on one side of the stem. Axis quadrangular, long, and very tapering. Typ. sp., Pavonaria quadrangularis, Cuv. ; Pennatula antennina, Lin. ; Johnston, Brit. Zooph., tab. xx.xi. 4. Getius Graphularia. Corallum styliform, straight, very long, cylindroid towards the lower extremity, subtetrahedral at the upper part, and presenting on one side a broad shallow furrow. Transverse section showing the existence of a thin coating, and a radiate structm'e in the body of the coral. Typ. sp., Graphularia Wetherelli, nob. ; Pennatula, Sowerby and Wetherell, in Geol. Trans. 2d series, vol. V, part i, p. 136, tab. viii. fig. 2. 5. Genus Umbelltjlaria. Cuvier, Regne Animal, vol. iv, 1807. Resembling Pavonaria, but having all the polypi collected in a terminal bunch at the extremity of the stem. Axis quadrangular and twisted. Typ. sp., Umbellularia Groenlandica, Cuv. ; Hydra Marina arctica, Ellis, Corallines, tab. xxxvii. 6. Genus Veretillum. Cuvier, Regne Animal, vol. iv. Resembhng Pennatula, but not having any lateral pinnules, with the polypi arranged all round the upper part of the stem. Axis rudimentary, and of a fonn almost navicular. Typ. sp., Feretillum cynomorium, Cuvier; Pennatula diyitifonids, Ellis.
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THE PALiEONTOGRAPHICAL SOCIETY. INS
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i. E. ADLJIED, PBINTr.B, BARTHOLOME
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e 7b-^,pi'? PRINTED BY C. AND .1. A
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INTRODUCTION. iii centre of the ram
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INTRODUCTION. v certain parts of th
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INTRODUCTION. vii in which the mult
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INTRODUCTION. ix Sub-class 1. CORAL
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; INTRODUCTION. xi Sub-order 1. ZOA
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INTRODUCTION. xiii 3. Genus Acantho
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; INTRODUCTION. xv formed by proces
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; INTRODUCTION. xvii IS. Genus Plat
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INTRODUCTION. xix Aberrant Group. P
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INTRODUCTION. xxi 8. Genus Amphelia
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INTRODUCTION. xxiii 3. Genus Dkndra
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INTRODUCTION. xxv 5. Genus Ccelosmi
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INTRODUCTION. xxvii in the two prec
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; INTRODUCTION. xxix 23. Genus Pler
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Page 51 and 52: ; INTRODUCTION. xli 64. Genus Astro
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Page 59 and 60: INTRODUCTION. xlix 14. Genus Ctclos
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Page 63 and 64: INTRODUCTION. liii 7. Genus Stephan
Page 65 and 66: INTRODUCTION. Iv Family VII. PORITI
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Page 73 and 74: INTRODUCTION. Ixiii Family X. SERIA
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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
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Page 89 and 90: INTRODUCTION. Ixxix 1 7. Ge?ius Dis
Page 91: INTRODUCTION. Ixxxi 8. Genus Soland
Page 95: INTRODUCTION. Ixxxv Order 3. PODACT
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Page 110 and 111: CORALS FROM THE UPPER GREENSAND. 57
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Page 138: 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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