TRILOBITA. 141 
p. 166. Fig. 9, Aymestry Limestone ; Leintwardine. Fig. 10, 
Coniston Flags; Coniston Water Head. These specimens 
cannot be found. 
Calymene brevicapitata, v. C. cambrensis and C. senaria. 
Calymene cambrensis, J. W. Salter, Mon. Brit. Tril. (1865), pl. 
ix, f. 14, p. 98. Calymene brevicapitata, Portlock, F. McCoy, 
Brit. Palzoz. Foss. (1851), pl. iF, f 4, 5, p. 165. Bala Beds ; 
Nant-yr-Arian. 
C. hopkinsoni, H. Hicks, Q. J. G. S. xxx1 (1875), pl. x, f. 4, 5, 
p. 187. Llanvirn Beds; Llanvirn Quarry. Presented by Dr 
EH. Elicks. 
C. parvifrons, J. W. Salter, Appendix to F. McCoy, Brit. Paleoz. 
Boss; (1855), p.. 1. F: McCoy, tbed: (1851), pli F, f. 7, 7 a, 
p. 167. J. W. Salter, Mon. Brit. Tril. (1865), pl. ix, f. 25, and 
woodcut 22, p. 101. <Arenig Group ; Tar-hirion. 
C. senaria, Conrad. UC. brevicapitata, Portlock, F. McCoy, Brit. 
Paleeoz. Foss. (1851), pl. iF, f. 6, p. 165. Middle Bala; 
Applethwaite Common. 
C. baylei, Barrande, F. McCoy, wid. (1851), pl. i F, f. 8, 8 
a, b, p. 165. Llandeilo Beds ; Tre-gib, Llandeilo. 
C. subdiademata, v. Calymene blumenbachi. 
C. ultima, Salter, Cat. (1873), p. 22. Arenig Beds; Ramsey 
Island. Presented by Dr H. Hicks. This specimen cannot be 
found. 
C’. vexata, v. Neseuretus sp. 
C.?, F. McCoy, Brit. Palzoz. Foss. (1851), pl.i«, f 11. Middle 
Bala ; Alt-yr-Anker. 
Carausia meneviensis, H. Hicks, Q. J. G. 8S. xxvin (1872), 
pl. vi, f. 7, p. 178. Menevian Beds ; Porth-y-rhaw, St Davids. 
Ceraurus clavifrons, v. Cheirurus juvenis and Sphzrexochus boops. 
C. octolobatus, v. Cheirurus octolobatus. 
C. williamsi, v. Cheirurus bimucronatus. 
Chasmops odini, v. Phacops conophthalmus. 
Cheirurus bimucronatus (Murchison), J. W. Salter, Mon. Brit. 
Tril. (1864), pl. v, f. 4, p. 63. Ceraurus williamsi, F. McCoy, 
A. M. N. H. ser. 2, tv (1849), p. 408, and Contrib. Brit. Pal. 
