﻿PLATE XIII. 



DEVONIAN SPECIES. 



Fig. 



1. Rhynchonella acuminata, Martin. Middle Devonian, Woolborough Quarry. Mus. Geol. Survey. 



2. „ „ Torquay. Collection of the Geol. Soc. Found by Sir H. De la Beche. 



3. ,, „ Woolborough Quarry. Collection of Mr. Vicary. 



4. „ „ From Woolborough. British Museum. 



5. „ triangularis, Sow. (Atrypa, Sow.), from the figure 1 Geol. Trans.,' vol. v, 2nd ser., 



pi. liv, fig. 9. Professor M'Coy considers this shell to be a varietal 

 form of R. acuminata. 



6. 7. „ reniformis, Sow. Lummaton, near Torquay. Collection of Mr. Cliampernowne. Fig. 7, 



R. suhdentata, Phillips (not Sow.), Upper Devonian, Petherwin, Cornwall. 

 Mus. Geol. Survey. 



8 — 10. „ pugnus, Martin. Fig. 8, Woolborough Quarry. Collection of Mr. Pengelly. Fig. 9, id. 



Collection of Mr. Lee. Fig. 10, Upper Devonian, Petherwin. Collection of 

 Mr. Pengelly. 



11 — 13. „ pleurodon, Phillips. Fig. 12, Upper Devonian, near Barnstaple. Collection of Mr. J. M. 



Hall. Fig. 13, South Petherwin. Collection of Mr. Pengelly. 



14. „ sphcerica, Sow. The original specimen figured in the ' Trans. Geol. Soc.,' 2nd series, 



pi. lvii, fig. 3 ; but I believe it is a Silurian (not Devonian) fossil, which got 

 accidentally in the Collection of the Rev. W. V. Hennah. The specimen is in 

 the Collection of the Geol. Soc. 



15. ,, subdentata, Sow. Sowerby's figure in the 'Trans. Geol. Soc.,' vol. v, 2nd ser., pi. liv, 



fig. 7. This is a very doubtful species. 



16. 17. ,, culoides, Sow. From Lanes or Woolborough Quarry. Collection of Mr. Vicary. 



18,19. ,, ,, {Atrypa crenulata, Sow.) Fig. 18, Barton, near Torquay. Collection of Mr. 



Lee. Fig. 19, Plymouth. Collection of Geol. Soc. 



20. „ „ {Atrypa impleta, Sow.) From the original example. Plymouth. Collection 



of Geol. Soc. 



21. ,, „ Lummaton. Collection of Mr. Pengelly. 



