REPORT ON THE HETEROPODA. 
43 
Atlanta mediterranean Costa. 
1852. Atlanta mediterranea, Costa, Fauna Reg. Napoli, Eteropodi, p. 4, pi. i. figs, la, a.b.c. 
Habitat. — Bay of Naples. 
Tliis appears to be a large species, supposing that Costa’s figure (la) represents the 
natural size. The shell is peculiar on account of the keel extending to the aperture as 
in Oxygyrus Jceraudrenii, and not embracing the whorls of the spire as is the case in 
Atlanta peronii. 
Atlanta violacea, Gould. 
1852. Atlanta violacea, Gould, U.S. Explor. Exped., vol. xii. p. 493; Atlas, figs. 599-5996. 
1862. „ „ id., Otia, Conch., p. 236. 
Habitat. — Mid Atlantic (Gould). 
Atlanta tessellata, Gould. 
1852. Atlanta tessellata, Gould, U.S. Explor. Exped., vol xii. p. 494; Atlas, figs. 600-6006. 
1862. ,, „ id., Otia, Conch., p. 236. 
Habitat. — Mid Atlantic (Gould). 
Atlanta primitia, Gould. 
1852. Atlanta primitia, Gould, U.S. Explor. Exped., vol. xii. p. 491 ; Atlas, fig. 597. 
1862. „ „ id. , Otia, Conch., p. 235. 
Habitat. — Equatorial Atlantic (Gould). 
Atlanta cunicula, Gould. 
1852. Atlanta cunicula, Gould, U.S. Explor. Exped., vol. xii. p. 492; Atlas, figs. 598-598c. 
1852. „ ,, id., Otia, Conch., p. 236. 
Habitat. — Pacific Ocean, west of the Sandwich Islands (Gould). 
Atlanta souleyeti, Smith. 
1852. Atlanta lamanonii, Eydoux and Souleyet, Yoy. “Bonite,” Zool., vol. ii. p. 371 ; Atlas 
(1841), pi. xviii. figs. 30-37. 
1850. ,, „ Gray, Fig. Moll. Anim., pi. ccxl. fig. 3 (copy of Eydoux and Souleyet). 
Habitat. — Atlantic Ocean. 
