CEPHALOPODA. 



33 



cylindrical, fins posterior and large ; eyes large, and 

 covered with a skin having a small transparent spot. — 

 1 species. 



Found in the Greenland seas. 



Sepiola. Schneider. — Shell, a pen shorter than the 

 body. Animal, the body short and round, in the middle 

 of which the round fins are placed ; arms short, four rows 

 of suckers on the tentacula, which are retractile ; eyes 

 covered. — 6 species. 



Found in the Atlantic, Indian, and Australian seas, and 

 considered in many places good for food. Philippi has the 

 following as sub-genera : — Rossia Owen ; Heteroteuthis 

 Gray ; and Sepioloidea D 'Orb. 



Fjdenas. Gray. — Shell very imperfectly known. Ani- 

 mal, the body oblong, rounded behind; fins oblong, on 

 the sides of the back ; head moderate, eyes large ; arms 

 elongated, tapering, free, except the third and fourth pair, 

 which are united by a web : suckers very small, in two 

 rows; tentacula doubtful. (Gray.) — 1 species. 



One specimen brought in spirits from Singapore. 



Sepioteuthis. Blainville. (Chondrosepia Leuckart.) 

 — Shell, a horny pen with a central keel. Animal, body 

 cylindrical, fins as long as the body, arms with suckers in 

 two rows, eyes covered. — 13 species. 



The animals inhabit the seas of warm climates, are of 

 very active habits, and frequently rise out of the water. 



Sepia. Linn. — Shell calcareous, oval, thick ; back 

 hard, concave on both sides, terminated posteriorly by a 



Sepia officinalis. 

 I) 



