EQUISETITES. 27 
the result of iron pyrites. At first sight these rough projecting 
parts remind one of Phyllotheca sporangia, but in reality they have 
no real connection with the stem. Pounceford. Mantell Coil. 
The following registered specimens are smaller, or less worthy 
of note :—V. 2318, Rufford Coll.; 3575-3578, 3580, 3585-3590, 
3992, 3593, 3595-3597, 3599, 3600, 3602-3606, 10,835-10,839, 
10,847, 38,375, Mantel! Coll. 
2,.—Equisetites Burchardti, Dunker. 
1824. ? Carpolithus Mantelli, Stokes and Webb, Trans. Geol. Soc. vol. i. 
ser. ii. p. 423, pl. xlvi. figs. 3 and 4, and pl. xlvii. fig. 1. 
1833. ? Carpolithus Mantelli, Mantell, Geol. S.E. England, p. 245, and fig. 
p. 246. 
1846. Eguisetites Burchardti, Dunker, Wealdenbildung, p. 2, pl. v. fig. 7. 
1846. Carpolithus cordatus, Dunker, loc. cit. p. 22, pl. ii. figs. 7 and 10. 
1846. Carpolithus Huttoni, Dunker, loc. cit. p. 22, pl. 1. fig. 8. 
1846. Carpolithus Lindleyanus, Dunker, loc. cit. p. 22, pl. ii. fig. 7. 
1846. ? Carpolithus Mantelli, Dunker, Joc. cit. p. 21, pl. ii. fig. 9. 
1848. ? Carpolithus Mantelli, Bronn, Index Pal. Nomencel. p. 239. 
1848. Carpolithus Brongniarti, Bronn, loc. cit. p. 239. 
1848. Carpolithus cordatus, Bronn, loc. cit. p. 239. 
1848. Carpolithus Huttoni, Bronn, loc. cit. p. 239. 
1848. Carpolithus Lindleyanus, Broun, loc. cit. p. 239. 
1849. Lquisetites Burchardti, Brongniart, Tableau, p. 107. 
1850. Hguisetites Burchardti, Unger, Gen. spec. plant. foss. p. 59. 
1851. Lquisetites Burchardti, Ettingshausen, Haidinger Abh. vol. iv. 
Abth. i. p. 66. 
1852. Hquisetites Burchardti, Ettingshausen, Abh. k.-k. geol. Reichs. p. 10, 
pl. i. figs. 3 and 4. 
1854. ? Carpolithes Mantelli, Morris, Brit. foss. p. 5. 
1869. Equisetites Burchardti, Schimper, Trait. pal. vég. vol. i. p. 264. 
1870-72. Cycadinocarpus ? cordatus, Schimper, loc. cit, vol. ii. p. 211. 
1870-72. Cycadinoearpus? Huttoni, Schimper, loc. cit. vol. ii. p. 210. 
1870-72. Cycadinocarpus Lindleyanus, Schimper, Joe. cit. vol. i. p. 240. 
1870-72. ? Cycadinoearpus Mantelli, Schimper, loc. cit. vol. ii. p. 211, 
Atlas, pl. Ixxii. fig. 21. 
1871. Lguwisetites Burehardti, Schenk, Paleontographica, vol. xix. p. 206, 
pl. xxii. figs. 1-5. 
1874. Equisetites Burchardti, Schimper, Joc. cit. vol. iii. p. 453. 
1878. Eguisetites Burchardti, Dixon, Geol. Sussex, edit. iii. p. 282. 
1882. LHquisetites Burchardti, Renault, Cours bot. foss. vol. ii. p. 151. 
1889. Hquisetites Burchardti, Bristow, Mem. Geol. Sury. p. 288. 
1890. Hquisetites Burchardti, Saporta, Compt. Rend. vol. cxi. p. 250. 
