PLATE IX. 



DEVONIAN SPECIES. 



Fig. 



1 — 10. Cyrtina heteroclita, Def. All the figures, with the exception of fig. 2, from 



Middle Devonian, Barton and Luraraaton. Fig. 2, 

 from Woolborough. Fig. 4, Sp. subconica, var., Sow., 

 not Martin. Collections of Messrs. Lee, Pengelly, &c, 

 Fig. 9, interior of the ventral valve, enlarged. Fig. 

 10, longitudinal section of the shell. 



11' — 14. „ „? var. Sp. cuspidatus, Phillips, not Martin ('Pal. Foss., 



t. xxix, fig. 124). Barton and Lummaton, near Tor- 

 quay. Collections of Messrs. Lee and Sharpe, &c. 



15 — -17. ,, DemarJii, Bouchard. Barton, near Torquay. Collection of Mr. Lee. 



18 — 20. ,, ? amblyyona, Phill. Fig. 18, Ter. amblyyona, Phill., from the original 



example, Barton. Collection of Mr. Lee. Figs. 19 

 and 20 from Barton and Lummaton, near Torquay. 



21. Spirifera Newtoniensis, n. sp. Woolborough. British Museum. 



22. „ curvata, Schloth., var. of Sp. curvatus? Woolborough Quarry. 



Collection of Mr. Champernowne. 



23. ,, meyaloba?, Phill. After Phill., 'Pal. Foss. of Devon,' &c, pi. xxxi, 



fig. 140. Brushford. Undeterminable fragment. 



24. 25. „ rudis?, Phill. After Phill., 'Pal. Foss./ tab. xxxi, fig. 136. Baggy 



Point. Undeterminable fragments. 

 26, 27. ,, curvata, Schloth. Fig. 26, Middle Devonian, Darlington, near 



Totness. Fig. 27, Hope's Nose. Collection of Mr. 

 Champernowne. 



