CEPHALOPODA. 127 



and Contrib. Biit. Pal. (1854), p. 240, and Biit. Palajoz. Foss. 

 (18.52), pi. ii A, f. 14, 14 a, p. 405. Devonian ; Plymouth. 



Discites trochlea, F. McCoy, Brit. Palasoz. Foss. (1855), pi. iii H, 

 f. 16, 16 a, p. 561. Garhmiiferous Limestone; Kendal. 



Endoceras proteiforme, v. Orthoceras araneosum ? 



Endosiphonites carinatus, v. Clymenia undulata. 



E. minutus, v. Clymenia undulata. 



E. milnsteri, v. Clymenia miinsteri. 



Gomphoceras aequale, Salter, Cat. (1873), p. 160. J. F. Blake, 

 Brit. Foss. Ceph. part i (1882), pi. xxvi, f. 6, 6 a, b, p. 188. 

 Wenlock Limestone; Dudley. Fletcher Collection. The spe- 

 cimens in the Museum do not agree with the figures. 



O. ellipticum (McCoy). Poterioceras ellipticum, F. McCoy, A. 

 M. N. H. ser. 2, vii (1851), p. 45, and Contrib. Brit. Pal. 

 (1854), p. 180, and Brit. Palseoz. Foss. (1852), p. 321. Lower 

 Ludlow ; Aymestry. This specimen cannot be found. 



O. neglectum, J. F. Blake, Brit. Foss. Ceph. part i (1882), 

 pi. xxiii, f. 3, 3 a, b, p. 197. Orthoceras {Poterioceras) pyriforme 

 (Sowerby), F. McCoy, Brit. Pateoz. Foss. (1852), p. 322. 

 Phragmoceras {Gomphoceras) pyriforme (Sowerby), Salter, 

 Cat. (1873), p. 174. Loiuer Ludlow; near Aymestry. 



Or. ventricosum (Sowerby). Phragmoceras ventricosum, J. F. 

 Blake, Brit. Foss. Ceph. part i (1882), pi. xxiv, f. 2, 2 a, p. 200. 

 May Hill Sandstone ; May Hill. 



Goniatites henslowi (Sowerby). Ammonites henslowi, J. Sowerby, 

 Min. Conch. Ill (1821), pi. cclxii, p. 111. Carboniferous Lime- 

 stone ; Scarlet Point, Isle of Man. 



Or. vinctus, J. de C. Sowerby, Trans. Geol. Soc. ser. 2, v (1840), 

 pi. liv, f. 18. Upper Devonian; South Petherwin. 



Lituites anguiformis, v. Trocholites undosus. 



Nautilus {Trocholites) anguiformis, v. Trocholites anguiformis. 



Nautilus costato-coronatuB, F. McCoy, A. M. N. H. ser. 2, xii 

 (1853), p. 194, and Contrib. Brit. Pal. (1854), p. 263, and Brit. 

 Pala;oz. Foss. (1855), pi. iii H, f. 15*, p. 558. Carboniferous 

 Limestone; Luwick, 



