PATELLA. 3 
C. AcULEATUS. Ovate, thick, blackish brown ; 
margin with short, subulate, various -coloured 
spines; terminal plates elegantly waved with 
sub-concentric undulated lines; the lateral areas 
of the nest scarcely marked, and prettily waved 
by undulated lines, with irregularly disposed 
elongated granulations, gradually disappearing 
towards the summit. 2$...14. W. 1.6. 
PATELLA. 
Univalve ; not spiral; shield-shaped or obtusely 
conical, concave within, simple, entire; sum- 
mit anteriorly inclined ; imperforate. 
P. GRANATINA. Flattish, angulated, with 
numerous muricated ribs and strie; muscular 
impression dark-reddish brown; numerous zig- 
_ zag undulated transverse purplish-brown scales 
cover the shell, and are manifest in the interior 
through a pearly coating. 23}...]§. W. 37. 
27. | 
P. BARBARA. Toothed, with very numerous 
muricated vaulted ribs; colour sallow, and some- 
times ringed without; the inside white. 1}... 1}. 
W. 37. 22. 
P. puicata. Angulated, with blunt undulated 
transversely - wrinkled ribs, brownish ; summit 
obtuse. 2...14.: (Front. I.) 
P. saccHaRINA. Angulated, with seven blunt 
