GASTEROPODA. 101 
Cerithium vetustum-majus, W. H. Hudleston, Brit. Jurass. 
Gasterop. Inf. Ool. (1889), pl. viii, f. 6 6, p. 150. “ Chemnitzia” 
vetusta major, W. H. Hudleston, G. M. dec. 2, 1x (1882), pl. vi, 
f,12, p. 248. Dogger Series; Blue Wyke. Leckenby Collection. 
C.? waltoni, J. Lycett, Supp. Mon. Moll. Gt. Ool. ete. (1863), 
pl. xl, f. 16, p. 92. Forest Marble; Laycock. Walton Col- 
lection. 
C. or Turritella sp, W. H. Hudleston, G. M. dec. 3, I (1884), 
pl. in, 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, vit (1880), pl. xii, 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. 8. 
XXXII (1877), pl. xin, f. 5, 5 a, p. 393. Abbotsbury Lronstone 
(Corallian); Abbotsbury. Fig. 5 presented by J. F. Walker, 
Esq., M.A. 
C. lineata (Sowerby), W. H. Hudleston, G. M. dec. 2, 1x (1882), 
pl. vi, f. 1 a, b, p. 241. Dogger Serves; Blue Wyke. Leckenby 
Collection. 
Another specimen, J. Leckenby, Q. J. G. S. xv (1859), pl. 11, 
f. 14, p. 13. W. H. Hudleston, G. M. dec. 2, 1x (1882), p. 246. 
Kelluways Rock; Scarborough. Leckenby Collection. 
C. lineata-procera, var. scarburgensis, Morris and Lycett, 
W. H. Hudleston, G. M. dec. 2, 1x (1882), pl. vi, f. 4, p. 243. 
Scarborough Limest ine; Scarborough. Leckenby Collection. 
C. vetusta, v. Cerithium vetustum. 
C. vittata (Phillips), W. H. Hudleston, G. M. dec. 2, 1x (1882), 
pl. vi, f. 5 a, b, 6, p. 244. Cornbrash ; Scarborough. Leckenby 
Collection. 
Cinulia ventricosa, v. Avellana ventricosa. 
Cloughtonia cincta (Phillips), W. H. Hudleston, G. M. dec. 2, 
IX (1882), pl. v, f. 14, p. 203. Scarborough Limestone; Cloughton 
Wyke, Scarborough. Leckenby Collection. 
Crepidula alta (Seeley), J. S. Gardner, Q. J. G. S. xxx (1877), 
p. 202, and G. M. dec. 2, 1v (1877), pl. xvi, f. 21, p. 557. Cre- 
