44 CATALOGUE Or CEPHALOPODA. 



arms twelve times as long as the body, with a lanceolate club. 

 Shell very narrow ; the lowest part with the longest and broadest 

 expansion. 



Loligopsis Coindetii Verany, MS. 



Loligopsis Yeranyi Feruss. Mag. de Zool. 1834, t. 65,, Hegne 



Animal de Cuv. t. 6. 

 Chiroteuthis Veranyi D'Orb. Ceph. Acet. Calmars, t. 2. t. 4. f. 17 



—23. 1839, Moll. Viv. et Fos. i. 377. t. 24. 



Hab. Mediterranean. 



2. Chiroteuthis Bonplandi. 



Body elongate, conical. Head moderate. Fins half the length of 

 the body, together rhomboidal. Sessile arms subulate, with 

 rounded tubercles at the end, unequal ; order of length, 3, 2, 1, 

 4. Shell very narrow in the middle ; narrow above, and dilated 

 below. 



Chiroteuthis Bonplandi D'Orb. Moll. Viv. et Fos. i. 378. 1845. 

 Loligopsis Bonplandi Verany^ Acad, di Torino, i. 2d ser. t. 5. 1837. 



Hab. Atlantic Ocean. 



B. Shell lanceolate, pennate. 



2. HISTIOTEUTHIS. 



Body short, cylindrical, pointed behind ; cartilage on siphuncle 

 with a deep groove, with raised edges ; those on the mantle 

 longitudinal, larger below. Fins large, rounded, on the sides of 

 the ends of the body; nicked before and behind. — Head \ery 

 large, cylindrical, without any cervical crest. Eyes large, naked, 

 not prominent, with an external aperture without any lacrymal 

 sinus or contractile eyelids. Buccal membrane broad, exten- 

 sile, six-lobed, without any cups. Four buccal aquiferous open- 

 ings, one on each side of the base of the upper and lower arms ; 

 and two brachial openings on the outside of the tentacular 

 arms ; no anal opening. — Sessile arms large, voluminous, rather 

 unequal ; the three upper pairs united by a web near to the end ; 

 lower pair free ; cups very small, oblique, fleshy, peduncled, 

 in two rows very far apart. Tentacular arms outside of 

 the web ; club lanceolate, finned externally, and with a mem- 

 brane on the sides ; cups in six alternate lines, rather oblique ; 

 rings armed with acute teeth. — Siphuncle very short, thick. 

 — Shell horny, flexible, lanceolate, pennate ; expansion, thin ; 

 narrow above, with a longitudinal central ridge. 



Histioteuthis D'Orb. Cephal. Acetab. 1839, Ann. Sc. Nat. xvi. 



