144 TRILOBITA. 



Cyphaspis megalops (McCoy), J. W. Salter, Organic Remains, 



dec. viz (Mem. Geol. Survey, 1853), pi. v, f. 2, 7. Wenlock 



Limestone ; Dudley. Fletcher Collection. 



Another specimen, H. A. Nicholson and R. Etheridge jun., 



Mon. Sil. Foss. Girvan I, fascic. II (1880), p. 140. May Hill 



Beds ; Mullock Quarry, near Girvan. 

 Deiphon forbesi, Barrande, J. W. Salter, Mon. Brit. Tril. (1865), 



pi. vii, f. 11, p. 88. Wenlock Limestone; Dudley. Fletcher 



Collection. 

 Dikelocephalus (Centropleura) ftirca, J. W. Salter, Appendix 



to A. C. Ramsay, Geol. North Wales (1866), pi. vi, f. 4, p. 303, 



and ibid, second edition (1881), p. 497. Lower Tremadoc; 



Penmorfa. Presented by D. Homfray, Esq. 

 Diplorhina triplicata ?, v. Agnostus m'coyi. 

 Dysplanus centrotus, v. Illsenus 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), pi. xxxii, f. 2, 3, 5, p. 403. Wenlock 



Shale ; Malvern. Fletcher Collection. 



E. sexcostatus (Salter), J. W. Salter, Appendix to F. McCoy, Brit. 

 Palasoz. Foss. (1855), p. iv. Zethus sexcostatus, F. McCoy, ibid. 

 (1851), pi. i G, f. 6, 7, p. 157. Middle Bala; Rhiwlas. 



Erinnys venulosa, Salter, H. Hicks, Q. J. G. S. xxvm (1872), 

 pi. vi, f. 14, 6, p. 177. Menevian Beds; /. 14 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. Garb. Tril. (1883), 

 pi. vi, f. 2, 10, pi. vii, f. 3, p. 32, and G. M. dec. 2, x (1883), 

 p. 483. Carboniferous Limestone; Settle. 



Q. mesotuberculatus, v. Phillipsia eichwaldi var. mucronata. 



G. moriceps, H. Woodward. Brit. Garb. Tril. (1884), pi. vii, f. 9 

 11, p. 39, and G. M. dec. 2, x (1883), p. 487. Carboniferous 

 Limestone; Settle. 



