NO. 24, Jongmans, List of species of Calamites and figures (1915). 31 
C. suckowi Stur, Calam. Schatzl. Sch, 1887, PI. 9, fig. 2. 
Asterophyllites. 
C. suckowi Lesquereux, 3. Rept. Indiana, 1884, Pl. 5, fig. 5. 
Indeterminable. 
C. swckowi Dawson, Geol. Hist. of plants, 1888, fig. 46a. 
Indeterminable. 
C. suckowi Toula, Die Steinkohlen, 1888, PI. 5, fig. 26. 
Asterophyllites. 
C. suckowi Toula, Die Steinkohlen, 1888, Pl. 6, fig. 4. 
Indeterminable. 
C. suckowi Renault, Plant. foss., 18S8, fig. 12. Indeterminable. 
C. suckowi Lesley, Dict. Foss Penna, [, 1889, Textfig. on p. 105. 
Indeterminable. 
C. suckowi Grand’ Eury, Gard, 1890, Pl. 3 bis, fig. 24; Pl. 17, fig. 3. 
Indeterminable. 
C. suckowi Sterzel, Plau. Grund, 1893, Pl. 10, fig. 1. Doubtful. 
C. (typ.) suckowi Potonié, Lehrbuch, 1897, fig. 188, 189. 
Indeterminable. 
= 
C. suckowi Sterzel, Karbon Baden, 1907, PI. 18, fig. 2; PL. 19, fig. 1; 
Pl 32: fig. 4; Pl 57,-fig. We, 3,4, 57: Pl, 58, Agel, Ar Bind 
fig. 1. Indeterminable. 
C. suckowi Sterzel, Karbon Baden, 1907, Pl. 57, fig. 2a. 
C. undulatus Sternb. 
C. suckowi Zalessky, Bull. Com. géol. St. Pétersbourg, XXVI, 1907, 
p. 363, fig. 1. Indeterminable. 
C. suckowi Schuster, Geogn. Jahreshefte, XX, 1908, Textbeil. L, 
Bes 1-2, Indeterminable. 
C. suckowi Arber, Fossil Plants, 1909, Pl. on p. 52. 
Indeterminable. 
C. suckowi Jongmans, Anleitung, 1, 1911, fig. 141. 
C. undulatus Sternb. 
C. suckowi Jongmans, Anleitung, 1, 1911, fig. 142, C. haueri Stur. 
C. suckowi Jongmans, Anleitung, 1, 1911, tig. 144, 
C. approximatiformis Stur. 
C. suckowi Grand’ Eury, Rech. géobot. forèts et sols fossiles, 1, 1, 
1912, Pl. A. fig. 1, Textfig. 4, 5. Indeterminable. 
C. suckowi Bet. forma cisti Sterzel, Karbon Baden, 1907, Pl. 32, 
fig. 2; PL. 68, fig. 4. C. eisti Bet. 
C. suckowi Bet. var. major Bgt., in Murcuison, Géol. de la Russie, 
1845 II 3, te -Dyf.e dab. C. gigas Bgt. 
C. suckowi Bgt. var. major Sterzel, Plau. Grund, 1893, PI. 10, fig. 1. 
Doubtful. 
