782 



HISTORICAL GEOLOGY. 



Fig. 1305 represents the animal of an allied genus, called Belemnoteuthis. 

 The ink-bags of Belemnites are sometimes found fossil (Fig. 1304), and 



1800 



1300-1304. 



1801. 



1802 



1303 



1302 a 



1804 



Cephalopods. — Fig. 1300, Complete osselet of a Belemnlte, side view, reduced; 1301, dorsal view; 1302, a, 

 Belemnites paxillosus, Middle Lias; 1303, B. clav.atus ; 1304, ink-bag. 



Buckland states that he had drawings of the remains of extinct species made 

 with their own ink. 



1305. 



Fig. 1305, Belemnoteuthis antiqua (x j), of the Oxford clay. From Mantell. 



Crustaceans included forms of modern aspect, and among them species of 

 the highest of the divisions of Crabs, the Triangular Crabs — Palaeinachus 



