NO, 24, Jongmans, List of species of Calamites and figures (1915). 17 
C. frumentarius Gutbier, Gaea v. Sachsen, 1843, p. 98. 
No Calamites. 
C. (Bguisetum) fucinii Stefani, Flore carb. e perm. della Toscana, 1901, 
PisOmho.8: Doubtful. 
C. (Arthropitys) gallicus Renault, Commentry, 1888, PL. 75, fig. 15—19; 
id. Notice sur les Calam., II, 1896, Pl. 2, 3. Anatomy. 
C. (Eguisetites) geïnitziù G. E., Loire, 1877, Pl. 5. tig. 5. 
ef. C. brittsii White and especially C. crassicaulis Ren. 
C. geïnitzij G. E., Gard, 1890, Pl. 14, fig. 1. 
ef. C. brittsii White and especially C. erassicaulis Ren. 
C. geniculosus Matthew, Trans. Roy. Soc. Canada, (2), XII, Sect. IV, 
dOOOMBIR2 AEN 5; Pl. 85 hes 1, Indeterminable. 
C. germarianus Goeppert. 
C. germarianus Stur, Calam. Schatzl. Schicht, 1887, Pl. 14b, fig. 5. 
C. brittsii White. 
C. germarianus Stur, Calam. Schatzl. Schicht, 1887, Pl. 15b, fig. 1. 
Asterophyllites longifolius Sternb. 
C. gibbosus Schloth., Petrefactenkunde, 1820, p. 400. 
Indeterminable. 
C. gibbosus Bischolf, Die kryptog. Gewächse, 1828, Pl. 6, fig. 6. 
Indeterminable. 
C. giganteus Bean. Jurassic. Equisetites beani Presl. 
C. (Hippurites) giganteus Eichwald, Lethaea rossica, L, 1860, Pl. 14, 
fig. 4. Calamites species (Pith cast). 
C. giganteus Grand’ Eury, Rech. géobot. sur les forèts et sols fos- 
Siiesmls 1019 PI 4,hg: 45 Textor: Indeterminable. 
C. (Hippurites) giganteus L. et H., Fossil Flora, II, 1834, Pl. 114. 
Outer surface of some Calamites. 
C. ef. giganteus (L. et H.) Weiss, Steink. Calam., II, 1884, Pl. 47, 
fig. 2, 3. Indeterminable. 
C. gigas Bet. 
C. gigas Boulay, Terr. houill. Nord de la France, 1876, p. 21. 
Indeterminable. 
C. gigas Jongmans, Anleitung, 1, 1911, fig. 150. 
C. undulatus Sternb. 
C. (Arthropitys) gigas Renault, Les plantes fossiles, 1S8S, fig. 20 
(copied from Geinrrz, 1855, Pl. 14, fig. 2). Doubtful. 
C. (Arthropitys) gigas Renault, Commentry, 188890, Pl. 53, fig. 3, 
BRREI 55 ifig. 1, 2; Pl. -56,fig: 1; Pl'57, heg. % 
! C. undulatus Sternb. 
C. (Arthropitys) gigas Renault, Commentry, 1888—90, Pl. 75, fig. 
20—26. Anatomy. 
