GASTEROPODA. 103 



(missing), J. Lycett, Supp. Mon. Moll. Ot. Ool. etc. (1863), 

 pi. xxxi, f. 3, p. 13. Cornhrash; Scarborough. Leckenby 

 Collection. 



Euomphalus calyptrsBa, Salter, Cat. (1873), p. 157. Wenlock 

 Limestone ; Dudley. Fletcher Collection. 



E. costellatus (McCoy). StraparoUus costellatus, F. McCoy, A. 

 M. N. H. ser. 2, xii (1853), p. 194, and Contrib. Brit. Pal. 

 (1854), p. 262, and Brit. Palaeoz. Foss. (1855), pi. iii H, f. 3, 3 a, 

 3 b, p. 538. Carboniferous Limestone ; Lowick. 



E. dlonysU (De Montfort), G. F. Whidbome, Devonian Fauna 

 S. Eng. (1891), pi. xxiii, f. 20, 20 a, p. 244. Devonian; 

 Lummaton. 



E. lyratus, v. Trochonema lyrata. 



E. maris, Salter, Cat. (1873), p. 156. Wenlock Limestone; 

 Dudley. Fletcher Collection. 



E. pacificatus, Salter, Cat. (1873), p. 156. Wenlock Limestone; 

 Dudley. Fletcher Collection. 



E. triporcatus, v. Trochonema triporcata. 



Exelissa weldonis, W. H. Hudleston, Brit. Jurass. Gasterop. Inf. 

 Ool. (1889), pi. xi, f. 8 a, p. 179. Cerithium (Kilvertia) comp- 

 toneme, W. H. Hudleston, G. M. dec. 3, i (1884), pi. iii, f. 14, 

 p. 62. Millepore Rock; Yorkshire Coast. Leckenby Collection. 



Fibula canina, W. H. Hudleston, Brit. Jurass. Gasterop. Inf. Ool. 

 (1889), pi. xi, f. 2 b, p. 175. Cerithium I caninum, W. H. 

 Hudleston, G. M. dec. 3, i (1884), pi. iv, f 2, p. 108. Dogger 

 Series ; Blue Wyke. Leckenby Collection. 



Funis ? brevis, H. G. Seeley, A. M. N. H. ser. 3, vii (1861), 

 pi. xi, f. 8, p. 286. Cambndge Oreensand ; Cambridge. 



Fusus quinquecostatus, H. G. Seeley, A. M. N. H. ser. 3, vii 

 (1861), pi. xi, f 5, p. 284. Cambridge Oreensand ; Cambridge. 



F. smithi (Sowerby), A. J. Jukes-Browne, Q. J. G. S. xxxi 

 (1875), pi. xiv, f. 4, 5, p. 291. Pyrula (Myristica) sowerbyi, 

 H. G. Seeley, A. M. N. H. ser. 3, vii (1861), p. 283. Cambridge 

 Oreensand; Cambridge. 



F. tricostatus, H. G. Seeley, A. M. N. H. ser. 3, vii (1861), pi. xi, 



