1. 
279 
EXPLANATION OF THE PLATES. 
Prats IV. 
Lucina sUBGLOBOSA, n. sp., natural size. Great Oolite, 
Tiltup’s End, near Nailsworth. (Page 272.) 
NERINZA COMPLICATA, Nn. sp., natural size. Great Oolite, 
Tiltup’s End. (Page 272.) 
a5 a section magnified. 
= (Trocnaria) Evpesu, M. & L., natural size. 
Great Oolite, Tiltup’s 
End. (Page 273.) 
$6 5 > another example, natu- 
ral size. 
7” ee > another example, show- 
ing the aperture. 
a a 5, section of the interior of 
Cplhenree one of the volutions. 
9 [= SIMPLEX, |n. sp., natural size. Nerinea bed, 
Great Oolite, Tiltup’s End. (P. 274.) 
s e section of the interior. 
ay INTERMEDIA, n. sp., natural size. Nerinea bed, 
Great Oolite, Tiltup’s End, and 
Pl. V., fig. 1, la. (P. 274.) 
Sg 99 section of the interior. 
TRIGONIA UNDULATA, From. var. PLaynet, natural size. 
Forest Marble, Calcot. (P. 277.) 
Puate V. 
NERIN#A INTERMEDIA, 0. sp., natural size. Nerinea 
bed, Great Oolite, Tiltup’s End, 
near Nailsworth. (Page 274.) 
and Pl. 1, fig. 5. 
et & section of the interior. 
