PLATE XIII. 
Fia. 
1. Nerinella (B1). 2. Nevinella (B 2). Lincolnshire Limestone, Weldon. My 
Collection. (Page 198.) 
3. Nerinea parva, Witchell. Oolite Marl, Longridge. My Collection. (Page 199.) 
4a, 4b, 4c. Nerinza oolitica, Witchell. Specimens showing different stages 
of growth. Oolite Marl, Longridge. My Collection. (Page 199.) 
5. Nerinea Longfordensis, sp.nov. Pea-grit (upper bed), Longfords. My Collec- 
tion. (Page 200.) 
6 a. Nerina attenuata, Witchell (usualform). Oolite Marl, Longridge. My Col- 
lection. (Page 201.) . 
6 b. Nerinea expansa, sp. noy. Lincolnshire Limestone, Wakerly. My Collec- 
tion. (Page 201.) 
6, 7. Nerinea, varieties of N. oolitica or expansa. Oolite Marl, Longridge. 
My Collection. 
8. Nerinea deducta, sp. nov. Pea-grit, The Knap. My Collection. (Page 202.) 
9. Nerinea pseudocylindrica, D’Orb. (fide Lycett). Oolite Marl, Longridge. 
My Collection. (Page 203.) 
10 a. Nerinea altivoluta, Witchell. Specimen showing the apical condition. 
Pea-grit (upper bed), Longfords. 10%. Thesame. Fragment showing 
aperture. Lincolnshire Limestone, Weldon. 10 c¢. The same. Section 
of a fragment. Pea-grit, Crickley. 10d. The same (in this case the 
apical ornaments are presumed to have been obliterated). Pea-grit, 
Longfords. My Collection. (Page 203.) 
11. Nerina, fragment of species, ? allied to pseudocylindrica. Lincolnshire 
Limestone, Weldon. My Collection. (Page 203.) 
