I 



386 CALAMITES. [CH. 



Archaeocalamites scrohiculatus (Schloth.). Fig, 103. 



1720. Lithoxylon^ Volkmann^ 



1820. Calamites scrohiculatus, Schlotheim^. 



1825. Bornia scrohiculata, Sternberg 3. 



1828. Calamites radiatus, Brongniart^. 



1841. Pothocites Gra7itoni, Paterson''. 



1852. Calamites transitionis, Goppert''. 



Stigmatocanna Volkmanniana, ibid. 



^ Anarthrocanna tuherculata, ihid. 



Calamites variolatus, ihid. 



— — C. obliquus, ibid. 



 C. tenuissimus, ibid. 



Asterophyllites elegans, ibid. 



1866. Calamites laticulatus, Ettiiigshausen''. 



Equisetites Oopperti, ibid. 



Sphenophyllum furcatum, ibid. 



1873. Asterophyllites spaniophyllus, Feistmantel^. 



1880. Asterocalamites scrohiculatus, 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 scrohiculatus. The generic name Aixhaeo- 

 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 



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



- Schlotheim (20), p. 402, PI. xxii. fig. 4. 3 Sternberg (25). 



-* Brongniart (28"-^), p. 122, PL xxvi. figs. 1 and 2. 



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



7 Ettingsbausen (66), Pis. i.— iv. « Feistmantel (73), Pi. xiv. fig. 5. 



" Zeiller (80), p. 17. i« Binney (68), p. 7. 



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



1=* Scbimper and Koecblin-Scblumberger (62), PI. i. The original specimens 

 of Schimper's figures are in the Strassburg Museum. 



