MOLLUSCA OF NEW ZEALAND. 
Class—Cephalopoda. 
Heap large, separate from the body. Eyes large, lateral. Ears 
developed. Mouth with two horny or shelly jaws with fleshy lips, 
and surrounded by eight or ten fleshy arms, or numerous tentacles ; 
furnished with an entire or slit tube, or siphuncle, used in locomotion. 
ORDER-—OCTOPODA. 
Body short, rounded; head large; eyes fixed; arms eight, all 
sessile ; no internal dorsal shell. 
FAMILY—OCTOPID:. 
Body naked ; arms tapering, with short sessile cups. 
Genus, OCTOPUS*—Cuvier. 
Arms with two rows of cups ; body round, without fins. 
O. maorum, s/. zov. Body oval, rounded behind, smooth below, 
roughened but not tuberculated on the back. Head slightly granular. 
Arms long, tapering, dorsal pair the longest, ventral pair the shortest ; 
web broad, smooth. Cups in two rows, close, elevated; those of the 
eighth or ninth rows the largest, gradually diminishing both ways ; those 
on the dorsal arms largest, twice the diameter of those on the ventral 
arms. Dark gray, paler below. 
Dunedin. 
This species attains a large size. 
Genus, PINNOCTOPUS—D’Orbigny. 
Body oblong, with broad, lateral, wing-like expansions, which extend 
in front and enfold all the body; arms very long, with two rows of 
slightly prominent cups. 
New Zealand only. 
* Dr. Gray, in the catalogue of the Cephalopoda in the British Museum, gives 
New Zealand as the locality of O. lunulatus Quoy et Gaim. This is an error, it 
should be New Ireland. 
