CEPHALOPODA. 



31 



Family 2. — SEPIA CEA. 



The genera of this family have a perfect inner shell, 

 sometimes horny, at others shelly, and cellulose, never 

 chambered, so as to receive the body of the animal. 



Cranciiia. Leach. — Shell, a slender pen, as long as 

 the body, and pointed. Animal having the body large, 

 ventricose ; fins small, and near each other ; head small ; 

 arms short, suckers in two rows ; the tentacula long ; eyes 

 covered by a skin. — 2 species. 



Found in the Atlantic. 



Loligopsis. Lam. (Leachia Lesueur, Perot his Esch.) — 

 Shell, a slender pen. Animal, body elongated, with two 

 fins; arms short, with two rows of suckers; tentacula 

 very long and slender; eyes naked, and wide open: the 

 funnel has no valve. — 8 species. 



Found in deep waters in the temperate and tropic seas. 



Histioteuthis. D' Orb. — Shell, a short horny pen. 

 Animal, body short, the head well defined ; six of the 

 arms connected by a deep web, lower pair free ; tentacula 

 long, and with six rows of suckers on the dilated ends. 

 — 2 species. 



Found in the Mediterranean. 



Onycitoteutiiis. Lichtenstein. — Shell, a narrow, elon- 

 gated, horny pen. Animal, body long, with two fins ; 

 arms short, with two rows of suckers ; tentacula long, and 

 the dilated ends armed with several rows of hooks and 

 suckers ; eyes naked. — 6 species. 



Found in the Atlantic and Indian seas. Philippi men- 

 tions the following as subgenera; Enoploteuthis UOrb., 

 Ancistrocheirus Gray, Abralia Cray, Octopoteuthis Rup- 

 /)( /, Acanthoteuthis Wagner, Ancistroteuthis Gray, Ony- 

 chia Lesueur. 



