386 CALAMITES. [CH. 



Archaeocalamites scrobiculatus (Schloth.). Fig. 103. 



1720. Lithoxylon, Volkmann'. 

 1820. Calmtdtes scrobiculatus, Schlotheim^. 

 1825. Bornia scrobiculata, Sternberg^. 

 1828. Calamites radiatus, Brongniart*. 

 1841. Pothocites Orantoni, Paterson^ 

 1852. Calamites transitionis, Goppert". 

 Stigmatocanna Volkmanniana, ibid. 



Anarthrooanna tuberculata, ibid. 



Calamites variolatus, ibid. 



C. ohliquus, ibid. 



C. tenuissimus, ibid. 



Asterophyllites elegans, ibid. 



1866. Calamites laticulatits, Ettingshausen^. 



Equisetites Oopperti, ibid. 



Sphenophyllum furcatum, ibid. 



1873. Asterophyllites spaniophyllus, Feistmantel**. 

 1880. Asterocalamites scrobictdatus, Zeiller^. 



For other lists of synonyms reference may be made to 

 Binney^", Stur", Kidston^'' and other authors. 



Some of the best specimens of this species are to be seen in 

 the Museums of Breslau and Vienna, which contain the original 

 examples described by Goppert and Stur. An examination of 

 the original specimens, figured by Goppert under various names, 

 enables one to refer them with confidence to the single species, 

 Archaeocalamites scrobiculatus. The generic name Archaeo- 

 calamites, which has been employed by some authors, was 

 suggested by Schimper" in 1862, as a subgenus of Calamites, 

 on account of the occurrence of a deeply divided leaf-sheath, 

 attached to the node of a pith-cast, which seemed to differ from 



I Volkmann (1720), p. 93, PI. vii. fig. 2. 



^ Schlotheim (20), p. 402, PI. xxii. fig. 4. » Sternberg (25). 



« Brongniart (28'-^), p. 122, PI. xxvi. figs. 1 and 2. 



^ Paterson (41), PI. iii. ^ Goppert (52), Pis. iii., v., vi., vm., xxxviii. 



7 Ettingshausen (66), Pis. i.— iv. » Feistmantel (73), PI. xiv. fig. 5. 



9 Zeiller (80), p. 17. '» Binney (68), p. 7. 



II Stur (75), p. 3. 12 Kidston (86), p. 35. 



12 Sohimper and Koeohlin-Schlumberger (62), PI. i. The original specimens 

 of Schimper's figures are in the Strassburg Museum. 



