TRILOBITA. 145 



Griffithides seminiferus, H. Woodward, Brit. Garb. Tril. (1883), 

 pi. v, f. 4, p. 28. Carboniferous Limestone ; Derbyshire. 



G. seminiferus ?, H. Woodward, Brit. Garb. Tril. (1884), pi. viii, 

 f. 14, p. 28. Carboniferous Limestone ; Settle. Burrow Collec- 

 tion. 



Harpes angustus, J. E. Marr and H. A. Nicholson, Q. J. G. S. 

 XLIV (1888), pi. xvi, f. 15, 16, 16 a, p. 724. Skelgill Beds; 

 Skelgill. Fig. 15 from the zone of Ampyoc aloniensis, fig. 16 

 from the zone of Phacops glaber. Presented by J. E. Marr, 

 Esq., F.R.S. 



H. judex, J. E. Marr and H. A. Nicholson, Q. J. G. S. XLIV (1888), 

 pi. xvi, f. 13, 14, 14 a, p. 723. Skelgill Beds; Skelgill Fig. 13 

 from the zone of Ampyx aloniensis, fig. 14 from the zone of 

 Phacops glaber. Presented by J. E. Marr, Esq. 



H. parvulus, F. McCoy, A. M. N. H. ser. 2, vm (1851), p. 387, 

 and Contrib. Brit. Pal. (1854), p. 209, and Brit. Palseoz. Foss. 

 (1852), pi. i L, f. 3, p. 336 (footnote). Middle Bala; Wrae 

 Quarry, Upper Tweed. 



Holocephalina inflata, H. Hicks, Q. J. G. S. xxvm (1872), 



pi. vi, f. 810, p. 178. Menevian Beds; Porth-y-rhaw, St 



Davids. 

 Homalonotus bisulcatus. J. W. Salter, Appendix to F. McCoy, 



Brit. Palseoz. Foss. (1855), p. v. F. McCoy, ibid. (1851), pi. 



i G, f. 2431, p. 168 (f. 24, 25, 28 and 29 missing). J. W. 



Salter, Mon. Brit. Tril. (1865), pi. x, f. 7, 8 (missing), p. 105. 



Middle Bala ; Bryn Eithin, Acton Scott, and Ravenstone Dale. 

 H. bisulcatus ?, J. W. Salter, Appendix to A. C. Ramsay, Geol. 



North Wales (1866), pi. xi A, f. 8, p. 328, and ibid, second 



edition (1881), p. 526. Arenig Group; Ty-obry. Presented 



by D. Homfray, Esq. 

 H. cylindricus, J. W. Salter, Mon. Brit. Tril. (1865), woodcuts 



27, 28, pp. 1167. Woolhope Limestone; Woolhope. Fig. 28 



(from the Strickland Collection) is missing. 

 H. goniopygaeus, H. Woodward, G. M. dec. 2, ix (1882), pi. iv, 



f. 1, p. 157. Middle Devonian; Smuggler's Cove, Torquay. 



Presented by E. B. Tawney, Esq., M.A. 

 H. monstrator, v. Neseuretus sp. 



w. C. 10 



