24 STUDIES IN GEOLOGY, No. 4 



Genus CALAMOSTACHYS Schimper 

 Calamostachys sp. 



The Paracas material contains several fragmentary speci- 

 mens of a poorly preserved calamite fructification belonging 

 to the genus Calamostachys. The material is too poor for 

 proper identification or illustration. 



Genus LEPIDODENDRON Sternberg 



Lepidodendron rimosum Sternberg 



PLATE VIII 



Lepidodendron rimosum Boulay, Terr. Houil. Nord. France, p. 

 37, 1876. 



Brongniart, Prodrome, p. 86, 1828. 

 Dawson, Acadian Geol. 2nd ed., p. 487, 1868. 



Quart. Journ. Geol. Soc., Lond., vol. XXII, p. 161, pi. IX, fig. 

 42, 1866. 



Canadian Nat, vol. VIII, p. 450, 1863. 



Foss. Plants of Lower Carb. Canada, p. 37, 1873. 

 Etheridge, Cat. Australian Fossils, p. 31, 1878. 

 Ettingshausen, Steinkf. v. Radnitz, p. 56, 1854. 

 Grand 'Eury, Flore Carbon Dep. Loire, p. 139, 1877. 

 Lesquereux, Coal Flora, p. 393, pi. LXIV, fig. n, 1880. 



Geol. of Pennsyl., vol. II, p. 874, 1858. 

 Morris, Trans. Geol. Soc., Lond., 2nd ser., vol. V, p. 488. 

 Renault, Cours Botan. Foss., p. 15, pi. V, figs. 6, 7, 1882. 

 Roehl, Foss. Fl. Steinkf. Form. Westph., p. 132, pi. VIII, fig. I, 



pi. X, fig. 2, 1869. 



Sauveur, Veget. Foss. Belgique, pi. LXII, fig. I, 1848. 

 Sternberg, Vers. I, fasc. i, pp. 21, 23, pi. X, fig. i, 1820; fasc. 4, 



p. XI, 1826. 

 Unger, Synop. Plant Foss., p. 131, 1845. 



Genera et Species, p. 257, 1850. 



Neues Jahrbuch, p. 608, 1842. 

 Fischer, in Potonie, Abbildungen und Beschreibungen foss. 



Pflanzen, Lief 4, 1906. 

 Sagenaria rimosa Bronn, Index Palaeont, p. 1106, 1848. 



Eichwald, Lethsea Rossica, vol. i, p. 125, pi. VII, fig. 7, 1860. 

 Feistmantel, Zeitsch. Deut. Geol. Gesell., vol. XXV, p. 595. 



Vers. Bohm. Kohlenab., p. 210, pi. XLVIII, fig. i, pi. XIX, 



fig. i, 1875- 



