144 TRILOBITA. 
Cyphaspis megalops (McCoy), J. W. Salter, Organic Remains, 
dec. vir (Mem. Geol. Survey, 1853), pl. v, f. 2, 7. Wenlock 
Limestone ; Dudley. Fletcher Collection. 
Another specimen, H. A. Nicholson and R. Etheridge jun., 
Mon. Sil. Foss. Girvan 1, fascic. 1f (1880), p. 140. May Hill 
Beds ; Mulloch Quarry, near Girvan. 
Deiphon forbesi, Barrande, J. W. Salter, Mon. Brit. Tril. (1865), 
pl. vii, f. 11, p. 88. Wenlock Limestone; Dudley. Fletcher 
Collection. 
Dikelocephalus (Centropleura) furca, J. W. Salter, Appendix 
to A. C. Ramsay, Geol. North Wales (1866), pl. vi, f. 4, p. 303, 
and zbid. second edition (1881), p. 497. Lower Tremadoc; 
Penmorfa. Presented by D. Homfray, Esq. 
Diplorhina triplicata ?, v. Agnostus m‘coyi. 
Dysplanus centrotus, v. Illenus bowmanni. 
Eccoptochile sedgwicki, v. Cheirurus sedgwicki. 
Encrinurus multiplicatus, Salter, Cat. (1873), p. 51. Middle 
Bala; Barking, Dent. 
E. punctatus (Wahlenberg). Cybele punctata, T. W. Fletcher, 
Q. J. G. S. vi (1850), pl. xxxu, f. 2,°3, 5, p. 403. Wexteck 
Shale; Malvern. Fletcher Collection. 
E. sexcostatus (Salter), J. W. Salter, Appendix to F. McCoy, Brit. 
~ Paleeoz. Foss. (1855), p. iv. Zethus sexcostatus, F. McCoy, abid. 
(1851), pl.iG, f. 6,7, p. 157. Middle Bala; Rhiwlas. 
Erinnys venulosa, Salter, H. Hicks, Q. J. G. S. xxvim (1872), 
pl. vi, f. 1—4, 6, p. 177. Menevian Beds; f. 1—4 from 
Porth-y-rhaw, St Davids, presented by Dr H. Hicks. Figs. 5, 
6, from the Waterfall Valley, Maentwrog, f. 6 presented by 
D. Homfray, Esq. 
Griffithides acanthiceps, H. Woodward, Brit. Carb. Tril. (1883), 
pl. vi, f£ 2, 10, pl. vu, f. 3, p. 32, and G. M. dee. 2, x (1883), 
p. 483. Carboniferous Limestone ; Settle. 
G. mesotuberculatus, v. Phillipsia eichwaldi var. mucronata. 
G. moriceps, H. Woodward. Brit. Carb. Tril. (1884), pl. vu, f. 9— 
11, p. 39, and G. M. dec. 2, x (1883), p. 487. Carboniferous 
Limestone ; Settle. 
