TRILOBITA. 145 
Griffithides seminiferus, H. Woodward, Brit. Carb. Tril. (1883), 
pl. v, f. 4, p. 28. Carboniferous Limestone ; Derbyshire. 
G. seminiferus ?, H. Woodward, Brit. Carb. Tril. (1884), pl. 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), pl. xvi, f. 15, 16, 16 a, p. 724. Skelgill Beds ; 
Skelgill. Fig. 15 from the zone of Ampyx aloniensis, fig. 16 
from the zone of Phacops glaber. Presented by J. E. Marr, 
Esgq., F.R.S. 
H. judex, J. E. Marr and H. A. Nicholson, Q. J. G.S. xiv (1888), 
pl. 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, vim (1851), p. 387, 
and Contrib. Brit. Pal. (1854), p. 209, and Brit. Palaeoz. Foss. 
(1852), pl. i 1, f. 3, p. 336 (footnote). Middle Bala; Wrae 
Quarry, Upper Tweed. 
Holocephalina inflata, H. Hicks, Q. J. G. S. xxvii (1872), 
pl. vi, f. 8—10, p. 178. Menevian Beds; Porth-y-rhaw, St 
Davids. 
Homalonotus bisulcatus, J. W. Salter, Appendix to F. McCoy, 
Brit. Paleoz. Foss. (1855), p. v. F. McCoy, abd. (1851), pl. 
i G, f. 24—31, p. 168 (f. 24, 25, 28 and 29 missing). J. W. 
Salter, Mon. Brit. Tril. (1865), pl. 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), pl. xi A, f. 8, p. 328, and zbid. 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. 116—7. Woolhope Limestone; Woolhope. Fig. 28 
(from the Strickland Collection) is missing. 
H. goniopygeus, H. Woodward, G. M. dec. 2, 1x (1882), pl. iv, 
f. 1, p. 157. Middle Devonian; Smugglers Cove, Torquay. 
Presented by E. B. Tawney, Esq., M.A. 
H. monstrator, v. Neseuretus sp. 
WaC: 10 
