( 14 ) 



DIVISION I. SEPIACEiE. 



GENERA. 



1. Loligo. Lam, Calmar. 



A plate of horn on the V. Animal, p. 54. 



back, instead of a shell, 

 in the form of a sword or 

 lancet. PI. l,fig. 2. 



2. Sepia. Lam. 



Shell oval, thick, gib- V. Animal, p. 54. 



bous ; composed of an in- 

 finity of very thin cal- 

 careous plates, parallel, 

 joined together by innu- 

 merable little hollow co- 

 lumns. PI. 1, fig. 1 (1). 



* i 



(1) Being friable, from its structure, it is employed to polish various substances ; 

 it is also given to young birds to sharpen their beaks. 



