20 
CATALOGUE OF CEPHALOPODA. 
2. CISTOPUS. 
Body small, round, without any lateral fins. — Head in the di- 
rection of the body. Eyes lateral, covered by the skin. Ex- 
ternal ear indistinct. A small aquiferous system, consisting of a 
bag with a small pore at the outer edge, situated between the 
bases of the arms. — Arms unequal, elongate, united at the base 
by a web wider beneath. Cups sessile, two-rowed, flat. — Si - 
phuncle conical. — Living on rocky coasts. 
Octopus sp. Gray , B. M. ; Bupp. MSS. ; H Orb. Moll. Viv. et 
Fos. i. 183., Cephal. Acet. 24. 
1. Cistopus Indicus. 
Body smooth, pouch-shaped, not bearded. Arms rather elongated, 
unequal ; order of their length, 1, 2, 3, 4 ; web very broad. 
Cups large ; two or three near the base of the dorsal pair of 
arms largest. 
Octopus indicus Bupp. MSS.; D'Orb. et Ferussac , Mon. des 
Ceph. Acet. 24., Poulpes , t. 25, 26. f. 1 — 4.; H Orbigny. Moll. 
Viv. et Fos. i. 183. n. 22. 
Hab. Island of Celebes. 
a. India. In spirits. Presented by General T. Hardwicke. 
3. PINNOCTOPUS. 
Body oblong, with broad, lateral, wing-like expansions, which 
extend in front, and enfold all the body. — Head indistinct, 
narrower than the body. Eyes lateral, dorsal. — Arms very 
long, with two rows of scarcely prominent cups, and with a 
broad web at the base. 
Pinnoctopus H Orb. Moll. Viv. et Fos. i. 193. t. 2. 
Octopus sp. Quoy Sp Gaim. Voy. Astrol. 1832. 
1. Pinnoctopus cordiformis. 
Body orbicular, tubercular, winged. Arms long, nearly equal 
length, the lateral ones shortest. Eyes rather prominent. — 
Red-brown, arms with pale-blue lunules. 
Octopus cordiformis Quoy Sp Gaim. Zool. du Voy. Astrol. ii. 2?. 
t. 6. f. 2.; nOrb. et Feruss. Mon. de Ceph. Acet . 62., Poulpes , 
t. 10. f. 1. 
Pinnoctopus cordiformis D' Orb. Moll. Viv. et Fos. i. 193. t. 2. 
Hab. New Zealand. Only known from M. Quoy’s figures. 
