40 LOLIGINID^. 



Sub-gen. heteroteuthis, Gray. 



Cups of three pairs of lateral arms very large, peduncled, dis- 

 tant ; cups of other arms small, crowded, equal. Tentacular 

 arms tapering. 



dispar, Ruppell. Jacobi, Ball. 



Owenii, Ball. 



Genus SEPIOLA, Roncleletius. 



Head attached to the back of the mantle by a broad 

 cervical band. Fins short, in the middle of the sides of the 

 back. Cups of sessile arms nearly sessile. 



Shell narrow, vrith one central and two marginal ribs. 



EoG. S. Atlantica, D''Orh%gny and Ferussac, pi. 4, fig. 7. 

 Shell, S. Atlantica, fig. 7, a. 



The body of this genus is round and purse-like, and the 

 short dorsal fins are rounded and contracted at the base. 

 These small Cuttles are found in various seas ; the shores of 

 Britain acknowledge one, one is from Jaj)an, another from 

 the Mauritius, one from New Holland, and another from 

 the Atlantic Ocean. 



Species of Sepiola. 



Atlantica, UOrh. and Ferus. Rondeletii, Gesner. 

 Japonica, UOrh. and Ferus. stenodactyla, Grant. 

 Oweniana, D'Orb. and Ferus. 



Sub-gen. sepiolidea, D'Orbigny. 



Body and head tubercular beneath ; internal cartilage of man- 

 tle broad, contracted in the middle. 



lineata, Qiioi/ and Gaim. 



