GASTEROPODA. 109 
Natica punctura (Bean) var. bajocensis, d’Orbigny, W. H. 
Hudleston, G. M. dec. 2, Ix (1882), pl. v, f. 10 a, b, p. 201. 
Dogger Series; Blue Wyke. Leckenby Collection. 
N. texata, J. Lycett, Supp. Mon. Moll. Gt. Ool. ete. (1863), pl. xlv, 
f. 30, 30 a, p. 96. Forest Marble; Laycock. Walton Col- 
lection. 
Naticopsis? glaucinoides, v. Natica parva. 
Nerinza cingenda (Phillips), W. H. Hudleston, G. M. dec. 3, 
I (1884), pl. iv, f 3, 3 a, 4, 4 a, p. 111, and Brit. Jurass. 
Gasterop. Inf. Ool. (1890), pl. xiv, f. 13 a, b, p. 210. Dogger 
Series ; Blue Wyke. Leckenby Collection. 
N. cingenda ? (Phillips), W. H. Hudleston, G. M. dec. 3, 1 (1884), 
pl. iv, f. 6,6 a, p. 111. Dogger Series; Blue Wyke. Leckenby 
Collection. 
NV.? cingenda (Sowerby), v. Cerithinella? sp. 
N. fusiformis, d’Orbigny, W. H. Hudleston, G. M. dec. 2, vir 
(1880), pl. xvi, f. 7 a, b, p. 486. Coral Rag; Malton. Leckenby 
Collection. 
N. pseudovisurgis, W. H. Hudleston, G. M. dec. 2, vit (1880), 
pl. xvu, f. 1, p. 529. Coralline Oolite ; near Pickering. Leck- 
enby Collection. 
N. remeri, Phillipi, W. H. Hudleston, Proc. Geol. Assoc. v 
(1878), pl. iv, f 2 a, b, p. 475, and G. M. dec. 2, vir (1880), 
pl. xvii, f. 2 a, b, p. 530. Coralline Oolite ; near Scarborough. 
Leckenby Collection. 
N. tumida, W. Keeping, Foss. Upware and Brickhill (1883), 
pl. iu, f. 8, p. 94. Probably Cerithiwm, T. Roberts, Q. J. G.S. 
XLII (1887), p. 267. Lower Greensand ; Upware. 
N. sp. (?fasciata, Roemer), W. H. Hudleston, G. M. dec. 3, I 
(1884), pl. iv, £10, p. 114. Cornbrash; Scarborough. Leckenby 
Collection. 
N. sp., W. Keeping, Foss. Upware and Brickhill (1883), pl. i, f. 7, 
7a, p. 94. Probably Cerithiwm, T. Roberts, Q. J. G.S. XLItr 
(1887), p. 267. Lower Greensand ; Upware. 
Nerita buvignieri, J. Lycett, Supp. Mon. Moll. Gt. Ool. ete. 
