EXPLANATION OF PLATE XXIII. 
Fic. 
55 BELEMNITES GIGANTEUS. 
/. Lateral aspect. (From the Inferior Oolite, near Sherborne, Dorsetshire.) 
In the Collection of Mr. Reed, Salisbury. 
The specimen was cracked and displaced after being enclosed in the 
rock. 
56 BELEMNITES QUINQUESULCATUS. 
i’. Lateral aspect, with six-channelled apex (From near Sherborne.) In the 
Collection of Mr. Reed. 
