GASTEROPODA. 251 
Figure 314, the animal as in motion; 314.@, locomotive disk ; 314 3, 
front view of the animal. 
TeREBRA DimipiaTa (Liv.), Lamarck; Anim. sans Vert., x. 240. 
Sowerby; Thesaur. Conch., pl. 41, f. 7, 8. 
Anat lemon-yellow, scarcely to be distinguished from the pre- 
ceding. Operculum orange. 
TEREBRA BABYLONTA (Lamarck), Encyc. Meth., pl. 402, f.5. Anim. 
sans Vert., x. 243. Kiener; Iconog., pl. 14, f. 39. 
ANIMAL orange-coloured. 
Figure 315, the animal as in motion. 
TEREBRA LEvicaTA (Gray), Sowersy; Thesaur. Conch., pl. 44, 
f. 93. 
Anat pale slate-colour, with lemon-coloured reflections. 
Figure 316, the animal as in motion. 
TEREBRA SUBULATA (Liy.), Lamarck; Anim. sans Vert., x. 242. 
Sowerby; Thesaur. Conch., f. 16, 38, 39. 
ANIMAL “transparent creamy white.”  [3. P. c.] 
Figure 317, the animal as in motion. 
TEREBRA CERULESCENS (Lamarck), Anim. sans Vert., x. 245. 
Kiener ; Iconog., pl. 67, f. 12. 
AntmaL pearly white or faintly bluish ; foot much more expanded 
than in the other species. Operculum very small, lemon-coloured. 
