—. -. s>  : 
CEPHALOPODA. 483 
along the back. Fins large, more than half the length of the body, 
nearly meeting at the base, longer than broad, heart-rhomboidal, the late- 
ral angles a little rounded, the posterior angle acuminated; head nearly 
as wide as the body, subquadrate, the sides wholly occupied by the 
orbits, excavated beneath, for the siphonal tube, which is*short and 
cylindrical. Eyes black, very prominent. 
Sessile arms about half as long as the body, triquetrous; compara- 
tive length, 4, 3, 2, 1. Cupules on large pedicles, nearly in a single 
line. ‘Tentacular arms shorter than the body, a third longer than the 
sessile arms, stout and cylindrical, furnished with nine or ten hooks, 
on long peduncles, and occupying about one-fourth the length of the 
arm, which portion is dilated for that purpose. Mouth very small. 
The colours are very beautiful, the body and head above being of a 
brilliant metallic hue of gold and violet, clouded with salmon-colour 
on the fins; back of the arms umber, with bluish reflections; beneath 
salmon-coloured, the head and arms shaded and mottled with violet, 
orange, yellow, lilac, &c., presenting a marked contrast with the uni- 
form colour of the body. 
Whole length, eight and a half inches; of the body, four inches; of 
the head, three-fourths of an inch; of the lower sessile arm, two inches 
and a quarter; of the tentacular arm, four inches; greatest breadth of 
body, an inch and one-eighth; of the fin, three inches and five-eighths; 
length of fin, two inches and a half. 
Obtained in the South Pacific Ocean, near Sydney, New South 
Wales. 
This beautiful species is somewhat allied to O. Banksz, Fer., but 
its proportions and colouring are different. Its short body and metal- 
lic bronzed surface are remarkable. Described from a drawing of a 
living specimen. 
Figure 595, dorsal view of the animal. 
ONYCHOTEUTHIS BREVIMANUS (Gould). 
Corpus cylindraceum, viz dilatatum: pinna rhomboidalis, latior quam 
longa, quadrantem corporis superans : caput breve, subglobosum: oculi 
