PATELLA. 
53. Patella Magellanica : fliell thin, ovate, white, with 
a nodulous margin, within perlaceous, with elevated ftrix, 
crown pointed, brown ; bottom brown. It inhabits the 
ftraits of Magellan. 
54. Patella ochroleuca : fliell ochraceous, with three 
yellow' bands, and elevated, acute, unequal ftrix; crown 
white ; bottom ill very. 
55. Patella dentata: fliell white, denticulate, with ele¬ 
vated, acute, unequal ftrix ; crown furrounded with a 
double row of cinereous dots, and a dulky-grey band. 
56. Patella nodofa : fliell yellow, radiate with brown, 
with elevated, nodulous, unequal ftrix; crown and bot¬ 
tom white. 
57. Patella cinerea : fliell toothed, cinereous, with un¬ 
equal elevated ftriae, between which it is brown and rug¬ 
ged ; crown pointed, milk-white. 
58. Patella exalbida : fliell whitifli, with brown rays, 
and elevated, rounded, unequal ftriae, between which it 
is rugged ; crown obtufe, white, with a broad interrupted 
brown band, and another marginal one. 
59. Patella cancellata: fliell cinereous and brown, 
with decuflate Arise and two rows of tubercles ; the crown 
is yellowifti, and the bottom has a white fpot. There is 
a variety that is grey, with dulky rays, and a few yellow 
ftriae ; within dirty yellow with a white bottom. It is 
found in Jamaica, and is about one inch and a half long. 
60. Patella loevis: fliell rounded, fmooth, yellowifti, 
with a broad citron marginal band fpotted with brown, 
and another narrow one ; margin dilated, acute, and a 
little rugged. 
61. Patella argentea: fliell fmooth, thick, a little fil- 
very ; with eleven brown rays; margin filvery; crown 
pale yellow ; bottom ivory, with a double white ring. 
This is about two inches long, but is very rare. 
62. Patella cuprea : fliell white, with ftrong, rounded, 
brown ribs, within perlaceous; crown and bottom cop¬ 
pery. 
63. Patella rubida: fliell pale, liver-coloured both 
Tides, with alternate larger and fmaller carinate ribs ; it 
has a flat and white crown. 
64. Patella glabra: fliell brown, glabrous above, with 
elevated crowded white ftriae beneath; crown obtufe, 
white, with a fulvous border; bottom fulvous. 
65. Patella flaveola : /hell yellowifti, varied with brown, 
with flattened unequal ribs; crown obtufe; bottom va¬ 
ried reddifli and white. 
66. Patella infundibulum : fliell denticulate, com- 
prefled on each fide, rounded, yellow, with perpendicular 
ftrix and carinate ribs ; bottom varied with white and ci¬ 
nereous. 
67. Patella cyathus: fliell rounded, glabrous, white. 
68. Patella finica : fliell ovate, entirely yellow, with 
undulate grooves, within ftriate perpendicularly ; mar¬ 
gin fcalloped. It is found in China, and is about three 
inches and a half long. 
69. Patella punftata : fliell roundilh, white, with ma¬ 
ny coloured dots, radiate at the bafe, and furrounded 
with two brown rings ; margin a little flexuous. 
70. Patella lugubris: fliell ovate, with annular ftrix, 
black, with elevated unequal ftriae; margin crenate; 
crown and bottom white. 
71. Patella ulyfliponenfis: fliell ovate, toothed, yel- 
lowifli, with elevated flattened ftriae; crown pointed, and 
of an orange colour. 
72. Patella umbella: fliell oblong, red, with elevated 
unequal white ftriae ; the margin is crenate. It inhabits 
Africa, in numerous varieties. The fliell is rarely of a 
ftraw-colour; it is fometimes fpotted or clouded. 
73. Patella crenata : fliell thin, pellucid, ftriate, black- 
ilh, with olive rays, within glaucous or cinereous ; crown 
pointed; margin crenate; bottom milk-white. It is 
found on the Ihores of Africa, Malaga, and Lifbon. 
74. Patella ferruginea ; fliell ferruginous, with angu¬ 
lar or undulate ruflet lines, and cinereous belts, within 
VoL. XVIII. No. 1281. 
777 
milk-white, with elevated knotty ftrix; the margin is 
plaited. 
75. Patella melanogramma; fliell oval, ochraceous, 
with elevated black ftriae, within filvery, fpotted ; crown 
pointed, white; bottom with a ftraw-colour fpot. 
76. Patella repanda: fliell ovate, thin, within filvery, 
with brownifti rays, and thin undulate ftriae, with bay- 
coloured granulations. The margin is flexuous. It in¬ 
habits the Teas of Magellan. 
77. Patella angulola: fliell oval, white, with very thin 
ftriae, and varied with red fpots and dots; margin eight¬ 
angled. 
78. Patella tigrina: (hell oval, fmooth, polilhed; pel¬ 
lucid, ftriate with feven yellowifti ribs; the colour is 
bluilh-olive, dotted with brown ; the margin is feven- 
angled. 
79. Patella monopis: fliell oblong, flattilh, bay ftriate 
with white, within milk-white, with eleven elevated un¬ 
equal ftrix ; crown rounded, white. It inhabits the 
American iflands. 
80. Patella chloroftidta : fliell ovate, toothed, brown, 
dotted with green, with eleven elevated, hollow, broader 
ftrix, and as many narrower ones; the crown is white. 
81. Patella margaritacea : fliell thin, unequally .ftriate, 
white, within perlaceous; crown with an orange mark, 
furrounded with a yellowifti ring; the margin crenate. 
This is an Iceland fliell. 
82. Patella tenuiflima: fliell oval, thin, ochraceous, with 
angular chefnut lines, and elevated, obtufe, hollow, un¬ 
equal ftrix. 
83. Patella mitrula: fliell folid, fub-conic, tranf- 
verfely plaited, with a flexuous margin. It inhabits 
Barbadoes. 
84. Patella plicaria: fliell ovate, toothed, with thirty 
elevated, obtufe, undulate, and tranfverfely wrinkled, 
ftrix. Found in the ftraits of Magellan. 
85. Patella pentagona: fliell whitifli, obtufely pentan¬ 
gular, with a dilated crenate margin ; crown obtufe; bot¬ 
tom reddilh. 
86. Patella xnea: fliell ovate, tender, pellucid, with 
elevated ftrix, covered with a whitifli cuticle, under 
which it is filvery, with ruflet rays ; crown and bottom 
coppery. It inhabits the ftraits of Magellan. 
87. Patella conchacea: fliell thin, oblong-ovate, with 
very fine undulate ftrix, yellowifti, with elevated darker 
rays ; crown recurved. It inhabits South America, and 
refembles the common mufcle, except in the hinge. 
88. Patella ftannea : fliell ovate, filvery, with elevated 
flattened ftrix; crown obtufe, coppery; bottom with an 
oval bay mark ; the margin is flexuous., 
89. Patella candidiflima : fliell orbicular, ftriate, white, 
with a brownifti band, dotted with brown ; within grey, 
with unequal ftrix ; margin tranfverfely wrinkled. 
90. Patella diftorta : fliell rugged and diftorted, with¬ 
out regularity ; rather deprefl'ed, with an irregular mar¬ 
gin, and very fmall papillxiform vertex, not central : the 
infide is not glofly, but appears through a lens to be mi¬ 
nutely granulate. This is a Shetlandic fpecies, difcovered 
by Mr. Fleming ; it is not uncommon on ftones in deep 
water, and was firft noticed on the ftones attached to the 
cod-lines which had lain long under water. The colour 
is invariably brown, as well on the infide as without; 
and when examined by a glafs appears papillous. The 
largeft fpecimens are about half an inch in diameter. 
Defcribed and figured by Mr. Montague in the Linn. 
Tranf. vol. xi. 1815. 
III. Mucronata. With a pointed recurved tip, or 
crown. 
91. Patella Hungarica: fliell entire, conic, pointed, 
ftriate, with a hooked revolute crown. This is defcribed 
and figured in Donovan’s Britifli Shells ; and likewife in 
Pennant’s Britifli Zoology. It inhabits the American, 
Mediterranean, and Afiatic, feas. 
9 M 
92. Patella 
