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— Diploxylum, ein neues Geschlecht vorweltl. Pflanzen (Verhandl. 

 d. Gesellsch. d. vaterlând. Muséums). Prag 1840. 



— Zur Kunde d. Karpolithen, namentlich jener der Steinkohlenforma- 

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— Die foss. Pflanzen d. bôhm. Kreideform. in Reuss (a. E.). Die Ver- 

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GoTTA (G. Bernh.), Die Dendrolithen in Beziehung auf ihren innern 

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— Ueber Lepidodendron punctatum (N. Jahrb. f. Minerai., 1836). 

 Dawes (J. s.). Remarks upon the internai Structure of Halonia (Quart. 



Journ. Geol. Soc, 1847). 



— Remarks on the Structure of Galamite (ibid., 1849). 



Dawson, (J. W.). On Foss. Plants from the Devonian Rocks of Ganada 

 (Quart. Journ. Geol. Soc, 1869). 



— On the vegetable Structure of Goal (ibid., 1859). 



— The Fossil Plants of the Devonian and Upper Silurian Formations of 

 Ganada. Montréal 1871, 8". 



— Report on the geolog. Structure and Minerai resources of Prince 

 Edward Island. Montréal 1871, 8«. 



— Acadian Geology. The geolog. Structure, Organ. Remains etc. of Nova 

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— On the conditions of the déposition of Goal, illustr. by the coal-for- 

 mation of Nova Scotia and New Brunswick (Quart Journ. Geol. Soc, 

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— On the Flora of the Devonian Period in North-eastern America (ibid., 

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— Further Observations on the Devonian Plants of Maine, Gaspé and 

 New-York (ibid., 1863). 



— On new Tree-Ferns from the Devonian (ibid., 1871). 



— On the Structure and Affinities of Sigillaria, Calamités and Calamo- 

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— Synopsis of the Flora of the Garboniferous Period in Nova Scotia. 

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DuNKER (W.), Ueber den Norddeutschen s. g. Wâlderthon u. dessen 

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