78 
CATALOGUE OF CEPHALOPODA. 
eight very blunt teeth on the higher side ; lower side smooth ; 
third pair largest. Tentacular arms long, slender ; club lanceo- 
late ; cups unequal ; ring of the lateral cups armed with sharp 
teeth on the higher side. Shell oblong, spoon-shaped ; upper 
part rather narrow and produced. 
Loligo sumatrensis H Orb. 8f Feruss . Ceph . Acet. Calmars , t. 13. 
f. 1—3. 1839; JD'Orb. Moll. Viv. et Fos. i. 349. 
Hob. Sumatra. 
b. Shell as long as Back. Fin occupying the Sides of the Body. 
4. SEPIOTEUTHIS. 
Body oblong, rather depressed, subcylindrical. Fins narrow, ex- 
tending the whole length of the sides of the back. Suspending 
buttons on the ventral surface, marginal, cartilaginous, linear, 
enlarged below; cervical ridge linear. — Head large, buccal 
membrane seven -lobed ; buccal aquiferous openings six ; external 
ear with a transverse crest, enlarged and curved up in front. 
— Sessile arms conical, subulate, unequal, finned externally ; 
cups in two rows. Tentacular arms long, cylindrical; club 
enlarged and finned ; cups in four alternated rows, with a thin 
membrane. — Siphuncle with two central superior bands. — Shell 
internal, horny, the length of the back, pennate, lanceolate, 
narrow in front, and with a central keel. 
Sepia sp. Lamck . 1812. 
Calmars Seiches (Loligo Sepioi’dea) Blainv. Jour. Phys. 1823, 
Malac. 1825. 
Chondrosepia Leuckart , 1828. 
Sepioteuthis Ferussac , Tab. Ceph. 1825; H Orbigny, Moll. Viv. et 
Fos. i. 319. t. 17. ; Desh. in Lamck. Hist. xi. 242. 
Les Sepioteuthes Blainv. Malac. 
Synopsis of Sections . 
* Buccal membrane provided with cups. 
** Buccal membrane without any cups. 
* Buccal Membrane provided with Cups. 
*j* Shell lanceolate , thickened on the Sides , obliquely up to the 
Shoulder. 
1. Sepioteuthis lunulata. 
Body oval, oblong. Fins very broad, fleshy, most dilated behind 
the middle of the body. Sessile arms elongate, slender, unequal ; 
order of length, 3, 2, 4. 1 ; cups depressed, oblique ; rings with 
