68 
CATALOGUE OF CEPHALOPODA. 
covered with minute scales, perhaps indicating cups, especially 
near the club; and the outer series of the cups on the shorter 
arms are like the other, with circular rings and no hooks. 
1. Gonatus amgena. 
Body cylindrical, tapering and acute behind. Fins rhombic, not 
one third the length of the back. 
Onycoteuthis ? amcena Matter, Ind . Mott . Green. 1. 
Hob. Greenland. 
a , b , c . Greenland. In spirits. From Dr. Holler’s Collec- 
tion. 
2. LOLIGO. 
Body smooth, elongate, subcylindrical, pointed behind, truncated 
in front. Fin on the hinder part of the sides of the back, united 
behind, and forming together a rhomb. Mantle with two ridges 
on the ventral side, fitting into two grooves on the base of the 
siphuncle, and with a dorsal groove fitting in a longitudinal 
ridge on the nape. — Head subcylindrical, narrowed behind the 
eyes ; buccal membrane produced into angles ; angles furnished 
with two series of small ringed cups. Eyes large, with a small 
lacrymal before the globe of the eye. Aquiferous openings, one 
on each side, between the third and fourth sessile arms, and six 
on the lips. — Sessile arms subulate, triangular, or compressed ; 
third pair large, and keeled externally ; cups oblique, in two 
alternate series, on a small foot ; rings generally toothed on the 
widest side ; the third and fourth arms shortly webbed, rest free. 
Tentacular arms only partly retractile, cylindrical, attached by a 
band to the lower arms. Club lanceolate, finned externally, with 
four or more rows of cups. — Siphuncle moderate, not sunk into 
a hollow, fixed by two central superior bands, and with an in- 
ternal valve. — Shell horny, internal, occupying the whole 
length of the body, lanceolate, like a pen, narrow above, and 
with a central, longitudinal, keeled ridge, forming gutter within. 
— Eggs in subcylindrical masses crowded together on sea weeds. 
Bang , Mag . Zool. 1837, t. 47. 
T svOoq and T evQig Aristoteles. 
Sepia sp. Linn. Syst. Nat. 
Loligo Plinius , Belon , Rondeletius ; Lamarck , Mem. Soc. H.N. 1799. 
Syst. An. s. Vert. 60. 1801 ; Leach , Jour. Phys. 1817 ; H Orb. 
Moll. Viv. et Fos. i. 333. 
Calmars plumes ou Pteroteuthis, sect. E. Blainvitte , Malac. 1825. 
Teudopsis sp. Munster. 
