GASTEROPODA. 99 



Cerithinella ? sp., W. H. Hudleston, Brit. Jurass. Gasterop. Inf. 

 Ool. (1890), pi. xii, f. X. Neiincea ? dngenda (Sowerby), 

 W. H. Hudleston, G. M. dec. 3, i (1884), pi. iv, f. 9, 9 a, p. 112. 

 Dogger Series ; Blue Wyke. Leek enby Collection. 



Cerithium abbreviatum, J. Leckenby, Q. J. G. S. xv (1859), 

 pi. iii, f. 12, p. 13. Kellaways Rock; the Castle Rock, Scar- 

 borough. Leckenby Collection. 



C. bicinctum, W. H. Hudleston, G. M. dec. 2, vii (1880), pi. xvi, 

 f. 4 a, 6, p. 483. Coral Rag; Malton (probably Langton Wold). 

 Leckenby Collection. 



C? caninum, v. Fibula canina 



C. circe, d'Orbigny, W. H. Hudleston, Brit. Jurass. Gasterop. 

 Inf. Ool. (1889), pi. X, f. 4, p. 168. Inferior Oolite; Bridport. 



C. comma, Miinster, W. H. Hudleston, Brit. Jurass. Gasterop. 

 Inf Ool. (1889), pi. X, f. 2, p. 167. Inferior Oolite (Cadomensis- 

 bed); Obarne, near Sherbo7'ne. 



C. comma, Munster, var. near to C. unitorquatum, Hubert and 

 Deslongchamps, W. H. Hudleston, Brit. Jurass. Gasterop. Inf 

 Ool. (1889), pi. X, {. 3, p. 168. Inferior Oolite (Fark-insoni-zone); 

 Bridport Harbour. 



C. {Kilvertia) comptotiese, v. Exelissa weldonis. 



C costigerum, Piette, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. 



(1863), pi. xli, f. 11, 11 a, 6, p. 92. Forest Marble; Laycock. 



Walton Collection. 

 C. culleni, v. Cerithium muricatum va7: culleni. 



C. cf. grandlneum, Buvignier, W. H. Hudleston, G. M. dec. 2, vii 

 (1880), pi. xvi, f 2 a, b, c, p. 482. Coral Rag ; Ayton, near 

 Scarborough. Leckenby Collection. 



C? hemicinctum, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 

 pi. xli, f 17, p. 91. Fwest Marble; Laycock. Walton Col- 

 lection. 



C. leckenbyi, W. H. Hudleston, G. M. dec. 3, I (1884), pi. iii, 

 f 12, p. 61, and Brit. Juras,s. Gasterop. Inf. Ool. (1889), pi. ix, 

 f 4, p. I.i8. Dogger Series ; Blue Wyke. Leckenby Collection. 



C. maroUinum, d'Orbigny, W. Keeping, Foss. Upware and 

 Brickhill (1883), pi. iii, f 6, p. 93. Lotuer Grexnsnnd; Upware. 



7—2 



