12 HYDROZOA. 
Didymograptus sparsus, J. Hopkinson, Rep. Brit. Assoc. (1872), 
p: 108, and) Q, J: G. S/ xxxt (1875); pl. xxx) £2 5a, 
p- 643. Lower Arenig; Road-uchaf, Ramsey Island.  Pre- 
sented by J. Hopkinson, Esq. F.G.S. 
Diplograptus foliaceus (Murchison), C. Lapworth, Q. J. G. 8. 
XXXI (1875), pl. xxxv, f. 7 a, b, p. 656. Lower Llandeilo ; 
Abereiddy Bay. Fig. 7 a, presented by J. Hopkinson, Esq. 
Fig. 7 b, presented by Dr H. Hicks. 
D. persculptus [Salter MS.], W. Carruthers, G. M. v (1868), 
p. 1380. Llandeilo Beds? ; Gogofuu, Carmarthenshire. 
D. rectangularis, v. Climacograptus scalaris. 
Glossograptus ciliatus, Emmons, C. Lapworth, Q. J. G.S. XXxI 
(1875), pl. xxxiv, f. 7 a—e, p. 659. Llanvirn Beds ; Llanvirn 
Quarry. Presented by Dr H. Hicks. 
Graptolites latus, v. Didymograptus latus and Monograptus priodon. 
Gt. lobiferus, v. Monograptus lobiferus. 
G. millipeda, v. Monograptus lobiferus. 
G. sedgwickt, v. Monograptus sedgwicki. 
G. tenuis, v. Monograptus tenuis. 
Monograptus lobiferus (McCoy). (raptolites lobiferus, F. 
McCoy, A. M. N. H. ser. 2, vi (1850), p. 270, and Contrib. 
Brit. Pal. (1854), p. 154, and Brit. Palzeoz. Foss. (1855), pl. 1B, 
f, 3,3, p.4. Birkhill Shales ; Moffat. 
Graptolites millipeda, F. McCoy, A. M. N. H. ser. 2, vi 
(1850), p. 271, and Contrib. Brit. Pal. (1854), p. 155, and Brit. 
Palwoz. Foss. (1855), pl. iB, f. 6, 6a, p. 5. Burkhill Shales ; 
Moffat. 
M. priodon (Bronn). Graptolites latus, F. McCoy (pars), Brit. 
Paleoz. Foss. (1851), pl. iB, f. 7, 7 a—c, p. 4. Wenlock Shale ; 
Builth Bridge. 
M. sedgwicki (Portlock). Graptolites sedgwicki, F. McCoy, 
Brit. Paleoz. Foss. (1851), pl. i B, f 2, 2 a, p. 6. Barkhill 
Shales ; Moffat. 
M. tenuis (Portlock). Graptolites tenuis, F. McCoy, Brit. Palsoz. 
Foss. (1851), pl. iB, £ 4, 5, p. 6. Burkhill Shales; Moffat. 
