[1372] Seward (03) p. 83.
[1373] Zeiller (95) p. 616.
[1374] Feistmantel (79).
[1375] Kurtz (94).
[1376] Schimper and Mougeot (44) A. Pl. XXXVIII.
[1377] Blanckenhorn (85) p. 127, Pls. XVII.–XIX.
[1378] Vol. I. p. 292.
[1379] Zeiller (002).
[1380] Blanckenhorn (85) p. 129, Pl. XXI.
[1381] Blanckenhorn loc. cit. The specimens figured by this author are in the Strassburg Museum, as are also some of those figured by Schimper and Mougeot.