PLATE XLIV. 



Fig. 



1 a, 1 h. Paludina Langtonensis, sp. nov. Paludina-hed, Langton Bridge, Oxon. 



Back and front ; natural size. (Page 488.) 



2 a, 2 b. Valvata comes, sp. nov. Paludma-hed, Langton Bridge. Base and 



apical X 7. (Page 489.) 



3 a, 3 b. Deljyhimda (Margarita) species, near to D. Santonis, Hudleston. Cold 



Comfort, near Cheltenham. Front and back X If . (Page 490.) 

 4) a, 4 b. Nerinsea {Nerinella) neghcta, sp. nov. Lincolnshire Limestone, 



Weldon. Front and back X 2. (Page 487.) 

 5. Gerithinella, species. Lincolnshire Limestone, Leadenham. Longitudinal 



section X ^^ (Page 487.) 



6 a, 6 b. Gerithinella, probably the same species as fig. 5. Lincolnshire Lime- 



stone, Hungerton Hall. Front and back X 3^, 



7 a, 7 b. ? Fibula velox, sp. nov. Murchisonse-zoiie of the Cotteswolds. Front 



and back X If- (Page 486.) 



8. Nerinsea [Ptygmatis) cf. cingenda, Phillips. Lincolnshire Limestone, Stoke 



Lodge. Back ; natural size. Fig. 8 a, portion enlarged. Fig. 8 b, 

 longitudinal section enlarged. (Page 488.) 



9. Purpuroidea, species. Lincolnshire Limestone, Rauceby. Apical view; 



natural size. (Page 483.) 

 10. Pleurotomaria subfasciata, d'Orbigny. 8aiizei-hed, neighbourhood of Sherborne. 



Natural size. (Page 420.) 

 11 a — c. PI. amata, d'Orbigny. Hnmphriesianus-zone, Louse Hill. Front, back 



and base, natural size. (Page 418.) 

 12. Girrvs, species or variety. Lincolnshire Limestone, Stoke lodge. Back X 4. 



(Page 490.) 

 13 a, 13 b. Wilsonia liassica, sp. nov. Junction of Middle and Upper Lias, 



Thorncombe, near Bridport. Front and back X 2|. Fig 13 c, 



aperture further enlarged. (Page 492, foot-note.) 



