﻿BRITISH FOSSIL CEPHALOPODA. 



Plate XXIX. 



Fig. 



1. Trochoceras speciostjm. — From the Wenlock Limestone, Ledbury. In the 



collection of Dr. Grindrod. 



2. Ibid. — From the same locality and collection. Outline of the radial section. 



3. Trochoceras asperum. — From the Wenlock Shale, Eastnor Park. In the 



collection of Dr. Grindrod. a, diagram of the radial section. 



4. Trochoceras gtrans. — From the "Wenlock Limestone, Eastnor Park. In the 



collection of Dr. Grindrod. 



5. Trochoceras striatum. — From the Lower Ludlow, Ledbury. In the collection 



of Dr. Grindrod. 



6. Nautilus (Trocholites) scoticus. — From the Bala Series, Glenwhapple. In 



the Museum of Practical Geology. 



7. Trochoceras regulare. — From the Wenlock Limestone, Dudley. Iu the 



British Museum. 



8. Nautilus (Trocholites) planorbiformis. — From the Lower Llandovery, 



Golengoed. In the Museum of Practical Geology, a, front view of the 

 same. Salter's figured specimen. 



9. Ibid. — From the Bala Limestone, Chair of Kildare. In the Museum of Prac- 



tical Geology, a, outline of front to show curve of the sutures ? Salter's 

 type of Lituites hibernicus. 



