232 E. A. Newell Arber. 



Renault, B., Note sur le geure Métacordaite. Bull. Soc. hist. nat. d'Autun, 

 Vol. IX, Proc.-Verb., p. 90. 1896. 



— . vide Bertrand and Renault. 1886—1887. 



Scott, D. H., On the Primary Structure of Certain Palïçozoic Stems with the 

 Dadoxylou type of Wood. Trans. Roy. Soc. Edinburgh, Vol. XL pt. 2 

 p. 331. 1902. 



Sterzel, J. T., Gruppe verkieselter Araucaritenstämme aus dem versteinerten Roth- 

 liegend- Walde von Chemnitz-Hilbersdorf. XIV. Ber. Nat. Gesellsch. Chem- 

 nitz, p. U. 1900. 



— , Ein verkieselter Riesenbaum aus dem Rothliegenden von Chemnitz. XV. Ber. 

 Nat. Gesellsch. Chemnitz. 1904. 



b) Impressions. 



(In the memoirs indicated by a *, petrifactions are also described ; in those which 

 are indicated by a -|-, Lower Carboniferous plants are also included.) 



1. Various groups, and organs of unknown affinity. 



KicLston, R., On the Fossil Flora of the Yorkshire Coal Field. 1st Paper. Trans. 



Roy. Soc. Edinburgh, Vol. XXXVIII pt. II p. 203. 1896. 2nd Paper. Ibid., 



Vol. XXXIX pt. 1 p. 33. 1897. 



[1st Paper on Dactylotheca plumosa (Artis). 2nd Paper on Sigillaria and 

 Sigillariostrobus.] 

 'H- Kidston, R., Carboniferous Lycopods and Sphenophylls. Trans. Nat. Hist. Soc. 



Glasgow, N. S., Vol. VI pt. 1 p. 25. 1901. 

 Potonié,H., Abbildungen und Beschreibungen fossiler Pflanzenreste der palseozoischen 



und mesozoischen Formationen. Lief. I, IL K. preuß. geol. Landesanst. 



Berlin. 1903-1904. 

 Sellards, E. H., Codonotheca, a new type of Spore-Bearing Organ from the Coal 



Measures. Amer. Journ. Sei , Vol. XVI p. 87. 1903. 

 Sterzel, J. T., Über einige neue Fossilreste. XV. Ber. Natur. Gesellsch. Chemnitz, 



p. LXIX. 1904. ^ 



[Sphenophylluni (Trizygia) cost», Sphferococcites dyadicus.] 



2. Pteridophyta : — Equisetales and Sphenophyllales. 



Fischer, E., Einige Bemerkungen über die Calamarien-Gattung Cingularia. Mitt. 



Naturforsch. Gesellsch. Bern, p. 1. 1893. 

 7 Geinitz, H. B., Die Calamarien der Steinkohlenformation und des Rothliegenden 



im Dresdener Museum. Mitt. k. miner.-geol. u. pnvhist. Mus. Dresden, 



Heft XIV. 1898. 



[Archœocalamites, Calamités, Calamitea, Sphenophyllum etc.] 

 Kidston, R., On a new Species of Calamité from the Middle Coal-measures (Eu- 



calamites (Calamités) britannicus, Weiss M. S. Ann. and Mag. Nat. Hist., 



Ser. 6 Vol. II p. 129. 1888. 

 — , On the Fructification of Sphenophyllum trichomatosum Stur, from the Yorkshire 



Coal Field. Proc. Roy. Phys. Soc. Edinburgh, Vol. XI p. 56. 1891. 

 —, On the Occurrence of the Genus Equisetum (E. Hemingwayi, Kidston) in the 



Yorkshire Coal Measures. Ann. and Mag. Nat. Hist., Ser. 6 Vol. IX p. 138. 



1892. 



