GASTEROPODA. 101 



Cerithium vetustum-majus, W. H. Hudleston, Brit. Jurass. 

 Gasterop. Inf. Ool. (1889), pi. viii, f. 6 b, p. 150. " Chemnitzia " 

 vetusta major, W. H. Hudleston, G. M. dec. 2, ix (1882), pi. vi, 

 f. 12, p. 248. Dogger Series; Blue Wyke. Leckenby Collection. 



O.? waltoni, J. Lycett, Supp. Mon. Moll. Gt. Ool. etc. (1863), 

 pi. xli, f. 16, p. 92. Forest Marble; Laycock. Walton Col- 

 lection. 



C. or Turritella sp., W. H. Hudleston, G. M. dec. 3, I (1884), 

 pi. iii, f. 15, 15 a, p. 62. Dogger Sands ; Blue Wyke. Leck- 

 enby Collection. 



Chemnitzia cf. corallina, d'Orbigny, W. H. Hudleston, G. M. 

 dec. 2, vii (1880), pi. xiii, f. 4, p. 396. Coral Rag; Malton 

 district (probably Langton Wold). Leckenby Collection. 



C. ferruginea, J. F. Blake and W. H. Hudleston, Q. J. G. S. 

 xxxin (1877), pi. xiii, f. 5, 5 a, p. 393. Abbotsbury Ironstone 

 (Corallian); Abbotsbury. Fig. 5 presented by J. F. Walker, 

 Esq., M.A. 



C. lineata (Sowerby), W. H. Hudleston, G. M. dec. 2, ix (1882), 

 pi. vi, f. 1 a, b, p. 241. Dogger Series; Blue Wyke. Leckenby 

 Collection. 



Another specimen, J. Leckenby, Q. J. G. S. xv (1859), pi. iii, 

 f. 14, p. 13. W. H. Hudleston, G. M. dec. 2, ix (1882), p. 246. 

 Kellaways Rock; Scarborough. Leckenby Collection. 



C. lineata-procera, var. scarburgensis, Morris and Lycett, 

 W. H. Hudleston, G. M. dec. 2, ix (1882), pi. vi, f. 4, p. 243. 

 Scarborough Limest >ne ; Scarborough. Leckenby Collection. 



C. vetusta, v. Cerithium vetustum. 



C. vittata (Phillips), W. H. Hudleston, G. M. dec. 2, ix (1882), 

 pi. vi, f. 5 a, 6, 6, p. 244. Gornbrash ; Scarborough. Leckenby 

 Collection. 



Cinulia ventncosa, v. Avellana ventricosa. 



Cloughtonia cincta (Phillips), W. H. Hudleston, G. M. dec. 2, 



ix (1882), pi. v, f. 14, p. 203. Scarborough Limestone; Cloughton 



Wyke, Scarborough. Leckenby Collection. 



Crepidula alta (Seeley), J. S. Gardner, Q. J. G. S. xxxni (1877), 

 p. 202, and G. M. dec. 2, iv (1877), pi. xvi, f. 21, p. 557. Ore- 



