74 
CATALOGUE OF CEPHALOPODA, 
fourth pair of arms unequal, rings with eight or nine blunt trun- 
cated teeth. Tentacular arms much enlarged at the end, with 
rather unequal cups ; the rings of the largest very narrow, with 
distant acute teeth, largest on the highest side ; lateral cups 
oblique ; rings with very unequal teeth, shortest on the lowest 
side. Shell pennate, enlarged, provided with three grooves 
above, oblong, lanceolate, dilated anteriorly and posteriorly. 
Loligo Duvaucelii _D’ Orb. 8p Feruss. Ceph. Acet. Calmars , t. 14. t. 
20. f. 6 — 16. 1826 and 1839 ; D'Orb. Moll. Viv. et Fos. i. 350. 
Hob. India. 
May be the young of L. chinensis , but the rings of the cups 
are very different from Ferussac’s figures. 
13. Loligo chinensis. 
Body oblong, subcylindrical, acuminated behind. Fins rhombic. 
Labial membrane with a few small cups. Sessile arms, third 
pair largest, compressed, finned ; rings of the cups of the ventral 
or lower pair of arms with many close acute teeth. Tentacular 
arms with numerous rather large cups, and some very small 
ones at the tip ; rings of cups with distant teeth. Shell trans- 
lucid, lanceolate, rather dilated behind the central part, broad, 
tapering ; upper part (called the stem) short broad. 
Hob. China. 
a , b . Canton market. Salted, now in spirits. Presented by 
T. Lay, Esq. 
c, d. The shell of a, b. 
14. Loligo Plei. 
Body very elongate, cylindrical, acuminate posteriorly. Fins 
rhomboidal, about two fifths the length of the body, outer angle 
rounded. Sessile arms conico-subulate, very short, unequal ; 
order of length, 3, 4. 2, 1 ; cups oblique ; rings even, toothless. 
Tentacular arms, club small ; cups unequal ; rings of the 
largest smooth, toothless, of the smaller ones with acute points ; 
of the small cups on the sides very oblique, with long teeth on 
the higher side. Shell elongate, very narrow, lanceolate, with 
three longitudinal grooves. 
Loligo Plei Blainv. Journ. de Phys. 142., Diet. Sc. Nat. xxvii. 
145. 1823; Feruss. D'Orb. Tab. des Ceph. 64. n. 14.; D' Orb. 
Moll, des Antilles , i. 42. n. 11., Paleont. univ . t. 11. f. 6., 
Paleont. etrang. t. 9. f. 6., Moll. Viv. et Fos. i. 343. t. 19. f. 6. ; 
D'Orb. et Feruss. Ceph. Acet. Calmars , t. 16. t, 24. f. 9 — 13. 
Hab. West Indies, Martinique, and Cuba. 
