4 SPIRULID#&. 
its length. Yellowish white, spotted with violet ; length of body some- 
times 13 inches, perhaps more. 
Wellington to Auckland. 
There is nothing in Dr. Gray’s description of .S. mayor in his cata- 
logue of Cephalopoda that does not also answer for this species, but the 
description is too short to feel confidence in the identification. 
FAMILY—SPIRULIDA. 
Body sub-cylindrical; eyes covered with skin, and with a lower 
eyelid. Shell calcareous, internal, spiral, chambered, chamber traversed 
by a ventral siphon. 
Genus, SPIRULA—Lamark. 
Body oblong; fins two, small; sessile arms with numerous cups ; 
tentacular arms long. Shell thin, involute in the same plane, whorls 
separated from each other, septa concave outwards, with a funnel- 
shaped siphon on the inner side. 
S. peronii, Zamark; S. australis, Lam, Lituus levis, Gray, 
Le, p. 116; S. australis, Owen, Voy. Samarang, Moll., p, 13, 
pl. 4, f. 2; Woodward, Manual of the Mollusca, pl. 1, fig. 9; Chenu, f. 
166. 
Mantle smooth, 
Animal very rare. Shells abundant on sandy beaches, Bluff to 
Auckland. 
For a description of the Anatomy, see Owen’s Zoology of the 
Voyage of the Samarang, Mollusca; and Annals of Natural History, 
5th series, vol. 3 (1879) D. I. 
