PLATE XL. 
Fie. 
La, b. Plewrotomaria granulata, Sowerby. (Elevated variety with coarse granu- 
lation == var. celata, Deslong.) Sauzei-bed, Oborne. Front and 
enlargement. (Page 440.) 
Qa—c. Pl. plicopunctata, Deslongchamps. Parkinsoni-zone, Burton Bradstock. 
Apical, base and front. (Page 442.) 
3a—c. Pl. Palemon, @Orbigny. Parkinsoni-zone, Vitney Cross. Apical, base 
and front. (Page 443.) 
4a—d. Pl. phyla, sp. nov. Sauzei-bed, Oborne. Apical, front, base, and 
enlargement. (Page 441.) 
5a, 5b. Pl. trapeza, sp. nov. Parkinsoni-zone, Burton Bradstock. Base and 
front. (Page 444.) 
6a, 6b. Nerita costulata, Deshayes. Pea-grit, Crickley. Front and back X 4. 
(Page 332.) 
7a, 7b. Nerita subrugosa, sp. Nov. Scarborough Limestone, Scarborough. 
Apical and back X 4. (Page 334.) 
8. Another specimen. Northampton Sand, Duston. Front Xx 4. 
9 a, b. “ Neritina subtransversa.” Oolite Marl of the Cotteswolds. (Page 336.) 
