GASTEROPODA. 101 



Cerlthlum vetustum-majus, W. H. Hudleston, Biit. Jiiiass. 

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

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

 f. 12, p. 248. Dogger Series; Blue Wr/ke. Leckenby Collection. 



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

 pi. xli, f. 16, p. 92. Fo7-est 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'Oibigny, 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. 

 XXXIII (1877), pi. xiii, f. 5, 5 a, p. 393. Abbotsbury Iromtone 

 {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. Ilneata-procera, var. scarburgensis, Morris and Lycett, 

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

 Scarborough Limest >m ; Scarborough. Leckenby Collection. 



C. vetusta, v. Cerithium vetustum. 



O. vlttata (Phillips), W. H. Hudleston, G. M. dec. 2, ix (1882), 

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

 Collection. 



Cinulia ventricosa, v. Avellana ventricosa. 



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



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



Wyke, Scarborotigh. Leckenby Collection. 



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

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



