T. W. KiBK. — Oil neiv Cephalopoda. 283 



Colour : dirty chocolate, apex greenish-white. Inside bluish-green, with 

 an iridescent play of colours, except the outer lip which is green, and the 

 columella which is white. 



Sometimes entirely covered with short brown Algce. 



Hah. — Waikanae. 

 H. hamiltoni, sp. nov. 



Shell perforate ; spiral granular ribs very fine. 



Colour: white, or faint pinkish-white, with points of darker colour 

 forming diagonal lines arcoss the whorls. Apex white. Inside white. 



Hab. — Wellington . 

 Aplysia hamiltoni, sp. nov 



Animal about 7 inches in length, 2|^ inches high, and weighed 14 ozs. 



Colour: umber-brown, with fine irregular dark markings; lighter below. 



Shell ear-shaped, horny, firm, ribbed on left half, irregularly concen- 

 trically striated ; epidermis bright straw colour, highly polished. Inside 

 white, with a pearly lustre. 



Length, 1*6 inch. Breadth, 1*45 inch. 



Hah. — Napier. Two specimens received from Mr. A. Hamilton of 

 Petane, Hawke's Bay. 



Art. XLII. — Description of new Cephalopoda. 



By T. W. KiEK, Assistant in the Colonial Museum. 



[Read before the Wellington Philosophical Society, 11th February, 1882.] 



Plate XXXVI. 



Sepiola, Eondelet. 

 Body oval ; mantle globose ; its dorsal or hinder edge is connected in the 

 middle with the head by a broad ligament : fins thin, small, placed behind 

 the middle of the sides. Eyes partly covered by a cuticle or lid. Arms in 

 unequal pairs. Shell small, bat-shaped. 

 Sepiola pacifica, sp. nov. 



Body smooth, long bell-shaped. Pins moderate, front ma ns free. 

 Tentacles vermiform, as long as head and body together ; club thickly and 

 irregularly studded with minute suckers. Sessile arms unequal, the ventral 

 or lowest being the largest ; all armed with suckers arranged in two alter- 

 nating rows, and extending right to the tip of each arm. Head stout, eyes 

 prominent. 



Colour: Above, flesh-colour irregularly and profusely spotted and blotched 

 with purple, the ground-colour of the head and anterior part of the body 

 being almost hidden ; spots becoming finer as they approach the posterior 



