110 GASTEROPODA. 
(1863), pl. xli, f. 7, 7 a. Forest Marble; Farleigh. Walton 
Collection. 
Nerita minuta, Sowerby, var. tumidula (Phillips), W. H. 
Hudleston, G. M. dec. 3, 1 (1884), pl. ix, f. 5 a, b, p. 297. 
Dogger Series; Blue Wyke. Leckenby Collection. 
N. nodulosa, A. J. Jukes-Browne, Q. J. G. S. xxx (1877), 
pl. xxi, f. 7, 8, p. 499. Cambridge Greensand ; Cambridge. 
Presented by J. Carter, Esq., F.G.S. 
N. pseudo-costata, d’Orbigny, W. H. Hudleston, G. M. dec. 3, 
1 (1884), pl. ix, f. 7, 8, 9, p. 298. Dogger Series; Blue Wyke. 
Leckenby Collection. 
N. (Neritopsis) scalaris, H. G. Seeley, A. M. N. H. ser. 3, vil 
(1861), pl. xi, f. 13, p. 288. Cambridge Greensand ; Cambridge. 
Neritopsis archiact, v. N. canaliculata. 
Neritopsis canaliculata (d’Archiac), W. H. Hudleston, G. 
M. dec. 3, 1 (1884), pl. ix, f 12 a, 6, p..301. DN. archrag 
(dOrbigny), J. Lycett, Supp. Mon. Moll. Gt. Ool. (1863), 
pl. xxxi, f. 7, 7 a, p. 21. Cornbrash ; Scarborough. Leckenby 
Collection. 
N. guerrei, Hébert and Deslongchamps, W. H. Hudleston, G. M. 
dec. 2, vit (1881), pl. i, f. 3.¢, p. 50. Coralline Oolite; near 
Scarborough. Leckenby Collection. 
N. (?' Turbo) levigata (Phillips) var. A, W. H. Hudleston, G. M. 
dec. 3, 1 (1885), pl. 1, f. 1, p. 50. Dogger Series; Blue Wyke. 
Leckenby Collection. 
N. sp., W. H. Hudleston, G. M. dec. 3, 1 (1884), pl. ix, f. 13 a, b, 
p. 302. Kellaways Rock; Scarborough. Leckenby Collection. 
Onustus burtonensis, J. Lycett, Supp. Mon. Moll. Gt. Ool. ete. 
(1863), pl. xlv, f. 11, 11 a, p. 103. Forest Marble; Burton 
Bradstock. Walton Collection. 
O. ornatissimus (d’Orbigny), W. H. Hudleston, G. M. dec. 3, 1 
(1884), pl. ix, f 1, p. 298. Dogger Series; Blue Wyke. 
Leckenby Collection. 
O. pyramidatus (Phillips), W. H. Hudleston, G. M. dee. 3, 1 
(1884), pl. ix, f. 3 a, b, p. 295. Dogger Series; Blue Wyke. 
Leckenby Collection. 
