[90] There are still more perfect casts from Sézanne in
Prof. Munier-Chalmas’ Geological collection in the Sorbonne. The best
examples have not yet been figured.
[96] Williamson (87) Pl. XV. p. 45. A very fine
specimen, similar to that in the Manchester Museum, has recently been
added to the School of Mines Museum in Berlin; Potonié (90).
[97] The British Museum collection contains a specimen of
Stigmaria preserved in the same manner as the example shown in
fig. 12.
[151] Lindley and Hutton (31) vol. III. p. 4. See
also Schenk (88) p. 202.
[152] Saporta (79) (77). Eopteris is included among
the ferns in Schimper and Schenk’s volume of Zittel’s Handbuch der
Palaeontologie (p. 115), and in some other modern works.
[154] Williamson has drawn attention to the occurrence of
such borings and coprolites in Coal-Measure plant tissues. E.g.
Williamson (80) Pl. 20, figs. 65 and 66.