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), pi. 

 ix, f. 14, p. 98. Calymene brevicapitata, Portlock, F. McCoy, 

 Brit. Palseoz. Foss. (1851), pi. i F, f. 4, 5, p. 165. Bala Beds; 

 Nant-yr-A rian. 



C. hopkinsoni, H. Hicks, Q. J. G. S. xxxi (1875), pi. x, f. 4, 5, 

 p. 187. Llanvim Beds; Llanvirn Quarry. Presented by Dr 

 H. Hicks. 



C. parvifrons, J. W. Salter, Appendix to F. McCoy, Brit. Palseoz. 

 Foss. (1855), p. iii. F. McCoy, ibid. (1851), pi. i F, f. 7, 7 a, 

 p. 167. J. W. Salter, Mon. Brit. Tril. (1865), pi. ix, f. 25, and 

 woodcut 22, p. 101. Arenig Group; Tai-hirion. 



C. senaria, Conrad. C. brevicapitata, Portlock, F. McCoy, Brit. 



Paheoz. Foss. (1851), pi. i F, f. 6, p. 165. Middle Bala; 



Applethwaite Common. 



C. baylei, Barrande, F. McCoy, ibid. (1851), pi. 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. Pateoz. Foss. (1851), pi. i G, f. 11. Middle 



Bala; Alt-yr- Anker. 

 Carausia meneviensis, H. Hicks, Q. J. G. S. xxvm (1872), 



pi. vi, f. 7, p. 178. Menevian Beds; Porth-y-rhaw, St Davids. 

 Ceraurus clavifrons, v. Cheirurus juvenis and Sphaerexochus 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), pi. v, f. 4, p. 63. Ceraurus williamsi, F. McCoy, 



A. M. N. H. ser. 2, iv (184-9), p. 408, and Contrib. Brit. Pal. 



