SEFHINIA. 35 



Order II. SEPHINIA. 



Body elongate, oblong, or cylindrical, sometimes without any 

 cervical band. Fins developed, lateral or dorsal, posterior. 

 Mantle supported by a fleshy band, or by cartilaginous buttons 

 and loops. 



Head smaller than the body. Eyes free in the orbit, turning in 

 every direction in the very large orbital cavity. Buccal mem- 

 brane largely developed. Aquiferous apertures on the lips 

 and arms, but none on the head. 



Arms ten ; eight sessile, often edged with membranes ; two ten- 

 tacular, elongated, coming out between the third and fourth 

 pairs of sessile arms and the lips. Cups oblique, peduncled, 

 strengthened with a horny ring, sometimes formed into a claw. 



Siphuncle almost always provided with an internal valve. 



Shell internal, longitudinal, occupying and strengthening the 

 middle of the back. 



Sepia Linn. S. N. 



Ceph. antepedia Sephinia Rajin. Anal. Nat. 139. 1815. 



Cephalopoda decapoda Leach, Zool. Misc. iii. 1817; Ferussac, Tahl. 



Syst. 18. 1821 ; Gray, Proc. Zool. Soc. 1847, 205. ; Menke, Syn. 



i. 1828 ; Cantraine, Mai. Medit. 13. 1841. 

 Antliobrachiophora Sepiaphora Gray, Lond. Med. Rep 1821. 

 Cryptodibranchiata decacera Blainv. D. S. N. xxii. 1824 ; Menke, 



Syn. ed. 2. 1830. 

 Cephalopoda decapoda enterostea Latr. Fam. Nat. 160. 1825. 

 Loliginea Gravenh. Thier. 34. 1834. 

 Decabrachides Blainv. 

 Sepiacese Blainv. Diet. Sci. Nat. xii. 90. 1818; Ehrenb. Sym. 



Phys. 1831. 

 Sepiadae Fleming, Brit. Anim. 252. 1828. 

 Sepiae (les Seiches) Feruss. Tab. Syst. 24. 1821. 

 Sepisephora Gray, Lond. Med. Rep. 1821 ; Desh. Ency. Meth. iii. 



946. 

 Sepiophora Gray, Mem. B. M. 92. 1843; Herrmannsen^ Ind. 



ii. 442. 

 Sepialea (pars) (les Sepiales) Lamck. Phil. Zool. 1809. 

 Sepiolea XamcA. Extrait du Cour. 1812; Desh. Ency. Meth. p. 236. 



1830. 

 Sepiaria (pars) (les Sepiares) Lamck. Hist. vii. 654. 1822. 

 Sepiina Macgillivray, Moll. Aherd. 22. 1843. 

 SepiidaB Cantrain. Malac. Med. 13. 1841 ; Leach, Zool. Misc. iii. 



138. 1817. 



c 6 



