Proceedings of the Royal Physical Society. 
B. Sub-Leiodermarian or Sub-Clathrarian Forms. 
Sigillaria mutans, W., forma rhomboidea, Brongt. sp., W. and S., ibid., 
3. Sigiliaria 
2? 
2? 
De uly(e 
forma subrhomboidea, W. and Sterzel, zbid., p. 113, 
pl. xii., fig. 54. 
forma subleiodermaria, W. and Sterzel, idid., p. 120, 
Bl. Aix, gp. jf 2 
C. Clathrarian Forms. 
mutans, W., forma Wettinensis, Weiss, ibid., p. 122, pls. 
a9 
ry 
73 
7? 
+3 
17 
a7 
73 
19 
« 
viii., ‘fig. ‘55a; xii., figs. 55, 565 Xiil., figs. 
Sy (alter 
forma cancellata, Weiss, ibid., p. 128, pl. xv., 
fig. 62. 
forma wrceeolate, W. and Sterzel, zbid., p. 130, pl. 
xiv., fig. 59. 
forma Brardi, W. and Sterzel, ibed., p. 131. 
forma Brardi, var. typica, Sterzel, ibid., p. 133, 
pl. xv., fig. 60; pl. xx., fig. 82 (var. ottendor- 
Jensis, Sterzel on explanation to plate). 
forma Brardi, var. ottonis, W. and Sterzel, ibid., 
p. 188, pl. xvi., fig. 65. 
forma Brardi, var. sublaevis, Sterzel, ibid., p. 142, 
pl. xvi., fig. 63. 
forma Brardi, var. puncticulata, Sterzel, ibid., p.143, 
pl. xvii., fig. 67. 
forma Brardi, var. ottendorfensis, Sterze], ibid., 
p.al43y plex, ho ii7. 
forma Brardi, var. Germari-variens, Sterzel, ibid., 
p. 145, pl. xv., fig. 61; pl. xvii., fig. 66. 
forma Brardi, var. subcancellata, W. and Sterzel, 
ibid., p. 154, pl. xix., fig. 73 (? pl. xxi. fig. 84). 
forma Menardi, W. and Sterzel, ibid., p. 156. 
forma JMenardi, var. sub-Brardi, Sterzel, ibid., 
p- 158. 
forma Menardi, var. Autunensis, Sterzel, ibid., 
p. 159. 
forma Menardi, var. varians, Sterzel, tbid., p. 160, 
pL xviii., figs. 68, 69, 71. 
forma Menardi, var. subquadrata, Weiss, ibid., 
p. 168, pl. xix., fig. 74. 
forma Menardi, var. Alsenziensis, Sterzel, ibid., 
p- 164, pl. xx., fig. 78. 
forma Menardi, var. minima, Sterzel, ibid., p: 165, 
pl. xx., fig. 80. 
forma favulina, Weiss, ibid., p. 168, pl. xviii., 
fie. 70. 
forma Heerti, Sterzel, ibid., p. 170, pl. xix., 
fig, 75, 
