Chap. I. 



SUCCESSION OF ANIMALS AND TLANTS. 



95 



fully appreciate, ■who have had a hand in the work.' And even now, how many 

 important questions still await an answer ! 



und Abbililung der Versteinerungen des Rheinischen 

 Scliicliteiisystc'in.s in Nassau, Wiesbaden, 18.J0-.'J4, 

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 (J..) Illustratidns of tlie Geology of Yorkshire, Lon- 

 don, 1836, 2d vol., 4to. fig. — DeKoninck, (L..) 

 Descrijitions des aniinaiix fossiles qui se trouvcnt 

 dans le terrain lioiiilh>r de la Bcl^i(iue, Liege, 1842, 

 2 vols. 4to. fig. ; supj)!., efe. — lIcCoY, (Fr.,) Synop- 

 sis of the Carboniferous Fossils of Ireland, Dublin, 

 1844, 4to. fig. — Gi-.KMAR, (E. Fit.,) Die Versteine- 

 rungen des Steinkohlengebirges, Halle, 1844-53, 

 fol. fig. — Geinitz, (H. B.,) Die Versteinerungen 

 der Steinkohlenformation, Leipzig, 1855, fol. fig. — 

 For the Permian system : Quexstkut, (A.,) Ueber 

 die Identitat der Petrifieate des Thiiringischen und 

 Englischen Zechsteins, Wiegman's Archiv, 1835, I., 

 p. 75. — Geixitz, (II. R..) und Gutbier, (A.,) Die 

 Versteinerungen des Zechsteingebirges, etc., Dres- 

 den, 1849, 4to. fig. — King, (W.,) Monograph of 

 the Permian Fossils of England, (Paheont. Soc.,) 

 London, 1850, 4to. fig. — For the Triasic system: 

 Ai-itEiiTi, (Fk. \'.,) Beitrag zur einer !Monograpliic 

 des bunten Sandsteins, Mushelkalks, und Keupers, 

 Stuttgart und Tubingen, 1834, 8vo. — For the Jura, 

 Phillips, (J.,) Illustrations of the Geology of York- 

 shire, York, 1820, vol. 1, 4to. fig. — Pusch, (G. G.,) 

 Polens Pala;ontologic, etc., Stuttgart, 1836, 4to. fig. — 

 RuMER, (Fr. A.,) Die Versteinerungen des nord- 

 deutsehen Oolithen-Gebirges, Hannover, 1836, 4to. 

 fig. — ZiETEX, (C. II. V.,) Die Versteinerungen 'Wiir- 

 tembergs, Stuttgart, 1830-34, fol. fig. — Oribgny, 

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 TON, (S. G.,) Synopsis of the Remains of the Creta- 

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 — Geixitz, (II. Br.,) Cliarakteristik der Sehichten 

 und Petrefakten des Kreidegebirgcs, Dresden, 1839- 

 42, 4to. fig. — PicTET, (F. J.,) et Roix, (W.,) 

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verts des environs de Geneve, Mem. Soc. Phys., etc., 

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 Die Versteinerungen des norddentsehen Kreidege- 

 birgcs, Hannover, 1841, 4to. fig. — Die Kreide- 

 bildungcn von Texas, Bonn, 1852, 4to. fig. — Reuss, 

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 forniation, Stuttgart, 184.5-4G, 4to. fig. — MI'i.ler, 

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 of England, (Paheont. Soe.,) London, 1854, 4to. fig. — 

 Hall, (James,) Cretaceous Fossils of Nebraska, 

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 fiaries: Bkocciii, (G. B.,) Conchiologia fossile sub- 

 appennina, etc., Milano, 1814—43, 2 vols., 4to. tig. — 

 DesHayes, (G. p.,) Description des coquilles fossiles 

 des environs de Paris, 1824-37, 3 vols. 4to. Atl. — 

 Bronx, (H. G.,) Italiens Tertiiirgebilde, Heidelberg, 

 1831, 8vo. — Lea, (I.,) Contributions to Geology, 

 Philadelphia, 1833, 8vo. fig. — Conrad, (T. A.) 

 Fossil Shells of the Tertiary Formations of North 

 America, Philadelphia, 1832-36, 8vo. fig. — Grate- 

 loup, (Dr.,) Couchyliologie fossile du bassin de 

 I'Adour, etc., Bordeaux, 1837, 8vo. fig. — Mathkron, 

 (Ph.,) Catalogue methodique et descriptif des corps 

 organises fossiles, etc., Marseilles, 1842, 8vo. — 

 Berendt, (G. C.,) Organische Reste ini Bernstein, 

 Berlin, 1845-54, fol. fig. — "Wood, (S. V.,) A 

 Monograph of the Crag Mollusks, (Pateont. Soc.,) 

 1848-50, 4to. fig. — Edwards, (F. E.,) Eocene 

 Mollusca, (Paheont. Soc.,) London, 1849-52, 4to. fig. 

 — HoRXESS, (M.,) Die fossilen MoUusken des Ter- 

 tiiir-Beckens von Wien, Wien, 1851, 4to. fig. — 

 Bevrkii, (E.,) Die Coneliylien des norddentsehen 

 Tertiiirgebirges, Berlin, 1854-56, 8vo. fig. — Tlo- 

 MET, (M.,) and Holmes, (Fr. S.,) Fossils of South 

 Carolina, Charleston, 1855-56, 4to. fig. 



* Brcir, (L. v..) Petrifications recueillies en 

 Amcriqne par Mr. Alex, de Humboldt el par Mr. 

 Ch. Degenhard, Berlin, 1838, fol. fig. — Orbigny, 

 (Alc. d',) Voyage dans I'AnK'rique Meridionale, etc., 

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