i BA 
PLLEOPSIS., 
Obliquely conical, anteriorly recurved, the «apex 
GENUS, 
nearly spiral ; aperture of a roundish oval ; ante- 
rior margin the shorter, acute and subsinuated ; 
the posterior larger and rounded ; an elongated, 
arcuated, transverse muscular scar under the pos- 
terior margin. 
P. Unearica. Lam. 1.—Pateria U. Lin. 1259, 
—D. p. 1034.—Pen. 4. p. 143. t. 90. fi 147.—Don. 
t. 21. f. 1.Mont. p. 486.—Knorr. 6. t. 16. f. 3.— 
Mart. f. 107.—Caruuus U. Sow.G, f. 1.—F. p. 363. 
—White or pink under the brown epidermis which has 
a pilose margin, rough with raised coarse radiating 
strice ; the apex spiral and acuminated ; inside white or 
pink. 2. Not common, on rocks and shells in rather 
deep water. 
P. ANTIQUATA.—PaTELLA A. Lin. 1259.—Dor, 
Cat.p. 51.—Mont. p. 485.—List. t. 644. f. 31.— 
Mart. f. 111,2.—Caputus A. F. p. 364.—P. M1- 
TRULA. Lam. 2.—PAtTELLA M. D. p. 1035.—White, 
thick, opaque, the layers of growth forming rough con- 
centric sublamellar ridges; inside white ; apex obtuse. 
lz. Rare. 
P, Minitaris.—Patetia M, Dor. Cat. p, 51.— 
