﻿PLATE XII. 



DEVONIAN SPECIES. 



Fig. 



1 — 7. Hhynchonella triloba, Sow. Fig. I, original specimen from the Middle Devonian 



Limestone of Plymouth. Collection of Geol. Soc. Figs. 

 2 and 5, Woolborough Quarry. Collection of Mr. Pengelly. 

 Fig. 3, id. Collection of Mr. Vicary. Figs. 4, 6, id., 

 Geol. Survey. Fig. 7, Atrypa latissima, Sow., Plymouth. 

 Collection of Geol. Soc. 

 8, 9. Pengelliana, Dav. From Looe, Cornwall. Fig. 8, Collection of 



Mr. Pengelly ; fig. 9, of Mus. Geol. Soc. 

 10, 11. ,, bifera, Phillips. Middle Devonian, Hope's Nose, near Torquay. 



Fig. 10, Phillips' type. Fig. 11, a smaller specimen, from 

 same locality. Both from the Mus. of the Geol. Survey. 

 12 — 14. pugnus, var. anisodonta, Phillips. Figs. 12 and 14, Phillips' types of 



T. anisodonta. Middle Devonian, Barton, near Torquay. 

 Collection of Mr. Lee. Fig. 13, Lummaton. Collection of 

 Mr. Champernowne. 



