12 HYDROZOA. 



Didymograptus sparsus, J. Hopkinson, Rep. Brit. Assoc. (1872), 

 p. 108, and Q. J. G. S. xxxi (1875), pi. xxxiii, f. 2 a d, 

 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. S. 

 xxxi (1875), pi. 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. 130. Llandeilo Beds'? ; Gogofau, Carmarthenshire. 



D. rectangularis, v. Climacograptus scalaris. 



Glossograptus ciliatus, Emmons, C. Lapworth, Q. J. G. S. xxxi 

 (1875), pi. xxxiv, f. 7 a c, p. 659. Llanvirn Beds ; Llanvirn 

 Quarry. Presented by Dr H. Hicks. 



Oraptolites lotus, v. Didymograptus latus and Monograptus priodon. 

 G. lobiferus, v. Monograptus lobiferus. 

 G. millipeda, v. Monograptus lobiferus. 

 G. sedgwicki, v. Monograptus sedgwicki. 

 G. tennis, v. Monograptus tenuis. 



Monograptus lobiferus (McCoy). Graptolites lobiferus, F. 



McCoy, A. M. N. H. ser. 2, VI (1850), p. 270, and Contrib. 



Brit. Pal. (1854), p. 154, and Brit. Palaeoz. Foss. (1855), pi. i B, 



f. 3, 3 a, p. 4. Birkhill Shales; Mo/at. 



Graptolites millipeda, F. McCoy, A. M. N. H. ser. 2, vi 



(1850), p. 271, and Contrib. Brit. Pal. (1854), p. 155, and Brit. 



Palseoz. Foss. (1855), pi. i B, f. 6, 6 a, p. 5. Birkhill Sliaks ; 



Moffat. 

 M. priodon (Bronn). Graptolites latus, F. McCoy (pars), Brit. 



Palaeoz. Foss. (1851), pi. i B, f. 7, 7 ac, p. 4. Wenlock Shale; 



Builth Bridge. 



M. sedgwicki (Portlock). Graptolites sedgwicki, F. McCoy, 

 Brit. Palseoz. Foss. (1851), pi. i B, f. 2, 2 a, p. 6. Birkhill 

 Shales; Moffat. 



M. tenuis (Portlock). Graptolites tenuis, F. McCoy, Brit. Palseoz. 

 Foss. (1851), pi. i B, f. 4, 5, p. 6. Birkhill Shales; Moffat. 



