130 CEPHALOPODA. 



Orthoceras sericeum, J. W. Salter, Appendix to A. C. Ramsay, 

 Geol. North Wales (1866), pi. x, f. 4, 5, p. 356, and ibid, second 

 edition (1881), p. 564. J. F. Blake, Brit. Fobs. Ceph. part i 

 (1882), pi. xiii, f. 2, p. 138. Upper Tremadoc ; GaHh, Port- 

 madoc. Presented by D. Homfray, Esq. 



Orthoceras sp., H. Hicks, Q. J. G. S. xxrx (1873), pi. iii, f. 27, 

 p. 51. Tremadoc Rocks; Tremaenhir, near Solva. Presented 

 by Dr H. Hicks. 



O. striato-punctatum, Miinster, var. origlnale, Barrande. 0. 

 originate, J. F. Blake, Brit. Foss. Ceph. part i (1882), pi. vii, 

 f. 10, p. 110. Wenlock Shale ; Builth Bridge. 



O. striatulum, J. de C. Sowerby, Trans. Geol. Soc. ser. 2, V (1840), 

 pi. liv, f. 20. Upper Devonian ; South Fetherwin. 



O. subundulatum, Portlock. Creseis sedgwicki, E. Forbes, Q. J. 

 G. S. I (1845), p. 146, woodcut 2. Denbighshire Flags; Cefn- 

 ddu, Denbighshire. 



O. tenuiannulatum (McCoy), J. F. Blake, Brit. Foss. Ceph. 

 part i (1882), pi. v, f. 9, 9 a, p. 98. Lower Ludlow ; near 

 Aymestry. 



Cycloceras tenuiannidatum, F. McCoy, A. M. N. H. ser. 2, 

 VII (1851), p. 46, and Contrib. Brit. Pal. (1854), p. 181, and 

 Brit. PaliBoz. Foss. (1852), pi. i L, f. 31, 31 a, p. 320. Lower 

 Ludlow ; Green Quarry, Leintwardine. 



O. vagans, J. W. Salter, Appendix to F. McCoy, Brit. Palseoz. 

 Foss. (1855), p. vi. F. McCoy, ibid. (1852), pi. i L, f. 28, 29, 

 29 a, p. 318. Coniston Limestone ; Coniston. 



O. sp., J. de C. Sowerby, Trans. Geol. Soc. ser. 2, V (1840), pi. liv, 

 f. 21. Upper Devonian ; South Fetherwin. 



O. sp., J. de C. Sowerby, Trans. Geol. Soc. ser. 2, V (1840), pi. liv, 

 f. 22. Upper Devonian ; Beacon Gove, Maiugan. 



O. sp., Salter, Cat. (1873), p. 159. Wenlock Limestone; Dudley. 

 Fletcher Collection. 



O. sp., Salter, Cat. (1873), p. 187. Upper Ludlow; High Thorns, 



Underbarrow. 

 Phragmoceras intermedium, v. Cyrtoceras (Meloceras) m'coyi. 

 F. (Gomphoceras) liratum, v. Orthoceras barrandei. 



