TRILOBITA. 



151 



Phillipsia gemmulifera (Phillips), H. Woodward, Brit. Garb. 

 Tril. (1883), pi. iii, f. 4, p. 17. Garhoniferous Limestone; 

 Derbyshire. 



P. truncatula (Phillips), H. Woodward, Brit. Garb. Tril. (1883), 

 pi. iii, f. 10 — 12, p. 21. Carboniferous Limestone; Hook Head, 

 CO. Wexford. 



Placoparia cambrensis, H. Hicks, Q. J. G. S. xxxi (187.5), pi. ix, 

 f. 1, p. 186. Llanvirn Beds ; Llanvirn Quarry. Presented by 

 Dr H. Hicks. 



Plutonia sedgwicki, H. Hicks, Q. J. G. S. xxvil (1871), pi. xv, 

 f. 1, 3, 4, .5, 7, p. 399. Harlech Beds ; Headland, near Nun's 

 Well, St Davids. Presented by Dr H. Hicks. 



Portlockia ? apiculata, v. Phacops apiculatus. 



P. gramdata, v. Phacops granulatus. 



Proetus brachypygus, J. E. Man-, and H. A. Nicholson, Q. J. 

 G. S. XLiv (1888), pi. xvi, f. 18, 19, p. 72.5. Skelgill Beds (zone 

 of Ampyx aloniensis); f. 18 from Skelgill, f 19 from Pull 

 Beck. Presented by J. E. Marr, Esq., F.R.S. 



P. champernowni, G. F. Whidbome, Devonian Fauna S. Eng. 

 (1889), pi. ii, f. 13, p. 23. Middle Devonian; Lummaton, 

 near Torquay. 



P. fletcheri, Salter, Cat. (1873), p. 134. Wenlock Limestone; 

 Dudley. Fletcher Collection. 



PsilocephaluB infiatus, J. W. Salter, Appendix to A. C. Ramsay 

 Geol. North Wales (1866), p. 316, woodcut 8 a, and ibid, second 

 edition (1881), p. .512, and Mon. Brit. Tril. (1866), p. 176, 

 woodcut 41 a. Lower Tremadoc ; Penmorfa Road. Presented 

 by D. Homfray, Esq. 



P. innotatUB, J. W. Salter, Appendix to A. C. Ramsay, Geol. 

 North Wales (1866), pi. vi, f. 9, 9 a, 10, 12, p. 315, and ibid. 

 second edition (1881), p. .511, and Mon. Brit. Tril. (1866), 

 pi. XX, f. 14, 17, 19, p. 17.5. Lower Tremadoc; near Borth, 

 Portmadoc. Presented by D. Homfray, Esq. 



SphaBrexochus boops, J. W. Salter, Mon. Brit. Tril. (1864), pi. vi, 

 f. 28, p. 79. Ceraurus clavifrons (Dalman), F. McCoy, Brit. 



