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 Coll. 



The following registered specimens are smaller, or less worthy 

 of note : V. 2318, Rufford Coll. ; 3575-3578, 3580, 3585-3590, 

 3592, 3593, 3595-3597, 3599, 3600, 3602-3606, 10,835-10,839, 

 10,847, 38,375, Mantell Coll. 



2. Equisetites Bur char dti, Dunker. 



1824. ? Carpolithus Mantelli, Stokes and Webb, Trans. Geol. Soc. vol. i. 



ser. ii. p. 423, pi. xlvi. figs. 3 and 4, and pi. xlvii. fig. 1. 



1833. ? Carpolithus Mantelli, Mantell, Geol. S.E. England, p. 245, and fig. 



p. 246. 



1846. Equisetites Burchardti, Dunker, Wealdenbildung, p. 2, pi. v. fig. 7- 



1846. Carpolithus cordatus, Dunker, loc. cit. p. 22, pi. ii. figs. 7 and 10. 



1846. Carpolithus Huttoni, Dunker, loc. cit. p. 22, pi. ii. fig. 8. 



1846. Carpolithus Lindleyanus, Dunker, loc. cit. p. 22, pi. ii. fig. 7. 



1846. ? Carpolithus Mantelli, Dunker, loc. cit. p. 21, pi. ii. fig. 9. 



1848. ? Carpolithus Mantelli, Bronn, Index Pal. Nomencl. 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, Bronn, loc. cit. p. 239. 



1849. Equisetites Burchardti, Brongniart, Tableau, p. 107. 



1850. Equisetites Burchardti, linger, Gen. spec, plant, foss. p. 59. 



1851. Equisetites Burchardti, Ettingsbausen, Haidinger Abb. vol. iv. 



Abtb. i. p. 65. 



1852. Equisetites Burchardti, Ettingsbausen, Abb. k.-k. geol. Reichs. p. 10, 



pi. i. figs. 3 and 4. 



1854. ? Carpolithes Mantelli, Morris, Brit. foss. p. 5. 

 1869. Equisetites Burchardti, Schimper, Trait, pal. veg. vol. i. p. 264. 

 187072. Cycadinocarpus ? cordatus, Schimper, loc. cit. vol. ii. p. 211. 

 1870-72. Cycadinocarpus? Huttoni, Schimper, loc. cit. vol. ii. p. 210. 

 1870-72. Cycadinocarpus Lindleyanus, Schimper, loc. cit. vol. ii. p. 240. 

 1870-72. ? Cycadinocarpus Mantelli, Schimper, loc. cit. vol. ii. p. 211, 



Atlas, pi. Ixxii. fig. 21. 

 1871. Equisetites Burchardti, Schenk, Palaeontographica, vol. xix. p. 205, 



pi. xxii. figs. 1-5. 



1874. Equisetites Burchardti, Schimper, loc. cit. vol. iii. p. 453. 

 1878. Equisetites Burchardti, Dixon, Geol. Sussex, edit. iii. p. 282. 

 1882. Equisetites Burchardti, Renault, Cours bot. foss. vol. ii. p. 151. 



1889. Equisetites Burchardti, Bristow, Mem. Geol. Surv. p. 288. 



1890. Equisetites Burchardti, Saporta, Compt. Rend. vol. cxi. p. 250. 



