48 EXPLANATION OF THE PLATES. 
PEAT 2c. 
FOSSILS OF THE LLANDOVERY ROCKS. 
MOLLUSCA.—CONCHIFER A. 
Fic. 1.—MyYtibvs MYTILIMERIS, Conrad, sp. 
Memoirs Geological Survey, vol. ii., part i, p. 564, pl. xx., figs. 7, 8, 9. 
Sil., 4th ed. ; Foss. 61, fig. 6, p. 229. 
From Memoirs Geological Survey, vol. ii., part i., pl. xx., fig. 7. 
Carapoc ? LLANDOVERY to LupLow.—Sil., 4th ed., p. 530. “ Caradoc 
sandstone (Upper Llandovery) of May Hill. Wenlock limestone of Dud- 
ley ; Ludlow rocks of Golden Grove, Llandeilo ;” M. G. S., vol. ii., part i., 
p. 365. Llandovery and May Hill, Sil., 4th ed., p. 211. ‘* Plentiful in 
Wenlock rocks ;” zbid., p. 229. 
Fic. 2.—ANODONTOPSIS BULLA, M‘Coy, sp. 
Luceina, Sil. Foss. Irel., p. 17, pl. ii., fig. 1. Anodontopsis, Brit. Pal. Foss., 
pl. 1 K, figs. 11-13. Sil., 4th ed., foss. 61, fig. 5, p. 229. 
Internal cast. From Brit. Pal. Foss., pl. 1 K, fig. 13. ? Upper Llandovery 
rocks, Galway. 
LLANDOVERY and LupLtow.—Sil., 4th ed., p. 529. “A species first de- 
scribed by M‘Coy from Galway; lived on to the close of the Ludlow 
rocks.” Jbid., p.211. ‘‘ It abounds in the sandstone of Tonlegee, Cong ; 
in the state of casts.” Sil. Foss. Irel., p. 17. Upper Ludlow Rock, 
Kirkby Moor, Kendal. M‘Coy, Brit. Sil. Foss. (Explanation of Plate 
i. Ie). 
Fig. 3, —CTENODONTA EASTNORI, Sowerby, sp. 
Arca, Sil. Syst., p. 635. Ctenodonta, Sil., 4th ed., p. 529, pl. x., fig. 9. 
Original. Internal cast in sandstone (Upper Llandovery) from Obelisk Lane, 
Malvern, Mus. G. S. I. 
LLANDOVERY.—Sil., 4th ed., p. 529. Upper Liandovery— It abounds with 
Ctenodonta subeequalis, near Malvern’; ibid., p. 211. _ Eastnor Park. Sil. 
Syst., p. 635. 
Fic. 4. CTENODONTA LINGUALIS, Phillips, sp. 
Nucula, Mem. Geol. Surv., vol. i1., part i., p. 367. Ctenodonta, Sil., 4th ed., 
p. 529. From pl. xxii., fig 6, in the vol. cited. 
LLANDOVERY.—Sil., 4th ed., p.29. In sandstone; Obelisk, Malvern. 
