PLATE VIII. 



Bellbrophon labyrinthodes, n. sp. (Page 63.) 

 Fig. 



1. Specimen, retaining the surface, X 3. 1 a, portion of surface X 8. Kingdon's, 



Shirwell. Barnstaple Athengeum. 



2. Specimen with still finer ornament, X 6. 2 «, upper view showing the zigzag 



course of the superficial ornament, and the traces of transverse lines 

 beneath it. 2 b, portion of surface, X 15. Baggy Point. Museum of 

 Practical Geology. 



Bellerophon sdhglobatus, M'Goij. (Page 64.) 



3. Specimen of a cast which has more obliquely flattened sides than usual, 



X 2"5. 3 (7, upper view, showing umbilicus. Marwood Beds. Museum of 

 Practical Geology. 



Salpingostoma? macromphalus, F. a. Bonier, sp. (Page 66.) 



4. Specimen of a cast defective about the mouth, showing the rising of the 



sinus-band, X f • 4 a, upper view, showing the large umbilicus and 

 elliptic coiling. Kingdon's, Shirwell. Barnstaple Athenaeum. 



5. Another specimen, much obscured by matrix, but showing some part of the 



oral expansion. 5 a, another view, showing the contour of the whorl 

 near the mouth. Kingdon's, Shirwell. Barnstaple Athenaeum. 



Tropidodisous trilobatus, Sowerhy, sp. ? var. bisulcatus, F. A. Bomer. (Page 68.) 



6. Specimen, showing the concavity of the sides, and the extremely wide 



umbilicus, X 3. 6 a, lateral view. Baggy Point. Museum of Practical 

 Geology. 



Bellerophon, sp. (Page 65.) 



7. Lower view of a specimen in poor preservation, X 3. Vicarage Well, Pilton, 



Barnstaple Athenaeum. 



Lbptodomus constkicta, IP Coy (Page 75). 



8. A large specimen, shghtly invaded by matrix below. Marwood. Museum of 



Practical Geology. 



9. Small specimen, lying rather obliquely in the matrix, which slightly overlaps 



its anterior and inferior margins, and presenting a great likeness to Phillips's 

 figure of his Cypricardia impressa. Sow. Roborough. Porter Collection. 



Panenka anglioa (Page 72.) 



10. A large specimen, apparently somewhat shortened by pressure, in which the 



median ribs are narrower than those on each side. Top Orchard. Barn- 

 staple Athenaeum. 



11. Another specimen, longitudinally compressed, showing the recurved umbo and 



the narrowness of the median ribs. 11 «, upper view. Barnstaple. 

 Woodwardian Museum. 



