776 
PATELLA. 
19. Patella faccharirva ; fhell angular, with feven cari¬ 
nate obtufe ribs. It is found at Java and Barbadoes. 
20. Patella barbara : fliell toothed, with nineteen ele¬ 
vated vaulted muricate lays. It is found near the Falk- 
land-ifiands. 
21. Patella granularis : (hell toothed, with elevated 
angular imbricate ftriae. Inhabits fouthern Europe, and 
the Cape of Good Hope. See Conchology, Plate I. 
fig. 6. 
22. Patella granatina : fliell angular, with numerous 
muricate (trial. It inhabits Jamaica and fouthern Eu¬ 
rope, is from one to three inches long. The infide of 
the fliell is fliown on the annexed Plate, fig. 8. 
23. Patella vulgata : fliell with about fourteen obfo- 
lete angles, and dilated acute crenate margin ; crown 
central. This is defcribed and figured in “ Donovan’s 
Shellsit inhabits the marine rocks of Europe and In¬ 
dia. It is about two inches high, and from three to four 
wide: in the older (hells the margin is nearly even, and 
the number of ribs irregular. 
In Collinfon’s Hiftory of Somerfet, we find a defcrip- 
tion of a fpecies of limpet, picked up at low water near 
the town of Minehead, which contains a liquor fit for 
marking linen. The particular fpecies is not noted ; but, 
as the prefent is the moll common, we think it may be a 
variety of it. “ When the fhell is picked off, there will 
appear a white vein lying tranfverfely in a little furrow 
next the head of the fifti, which may be taken out by a 
bodkin or any other pointed inftrument. The letters or 
figures made with this liquor on linen will prefently 
appear of a light-green colour, and, if placed in the fun, 
will change into the following colours : (if in winter, 
about noon ; if in fummer, an hour or two after fun-ri- 
fing, and fo much before Petting; for in the heat of the 
day in fummer it will change fo faff, that the fucceflion 
of each colour will fcarcely be diftinguifhed.) Next to 
the firft light green, it will appear of a deep green, and 
in a few minutes change to a full fea-green ; after which, 
in a few minutes more, it will alter to a blue, then to a 
purplifli red ; after which, lying an hour or two, (if the 
fun fhines,) it will be of a deep purple red ; beyond which 
the fun does no more. But this laft beautiful colour, 
after wafliing in fcalding water and foap, will, on being 
laid out to dry, be a fair bright crimfon, which will abide 
all future waffling. This fpecies of limpets are fome red, 
others white, black, yellow, browm, and fand-colour, 
and fome are ftriped with white and brown parallel 
lines.” 
24. Patella depreffa: fliell with fourteen angles, ob¬ 
long ; crown lateral. This is defcribed and figured in 
Pennant’s Britifn Zoology. It inhabits the rocks of Eu¬ 
rope. 
25. Patella casrulea: fhell crenate, fubangular, with 
numerous unequal ftriae; beneath blue. This is an inha¬ 
bitant of the Mediterranean. 
26. Patella tuberculata: fliell (lightly toothed, conic, 
tuberculate, retufe behind. The fliell is yellowifh, with 
white tubercles difpofed in rows. 
27. Patella lepas: fliell roundifli, pe£linate, with im¬ 
bricate, tuberculate, tranfverfely-ftriate, rays ; crown in¬ 
curved. There are two varieties, the one found in Chili, 
the other in the Falkland-illands. The fecond is ufually 
named the bronze limpet. 
28. Patella tricoflata: fliell oval, three-ribbed, white, 
ftriate at the fldes ; internal margin flattifn and a little 
jagged. It is found in the Indian Ocean. 
29. Patella Mytilina: fliell carinate, rounded on the 
fore-part, with undulate ftriae, brown, perlaceous with¬ 
in, the hinder margin crenate. Found in different parts 
of South America ; and is an inch and a quarter long. 
30. Patella ovata : fliell toothed, oval, rather conical, 
ribbed, white, brown between the ribs, within brown 
with white grooves. 
31. Patella ftellata: fhell angular, ovate, depreffed, 
3 
with ten elevated ray3, and (barter intermediate ribs. See 
Conchology, Plate I. fig. 5, 
32. Patella Iflandica : fhell folid, ovate, gibbous, un¬ 
equally ribbed ; within glabrous, with alternate cinereous 
and horny rays; margin crenate. It inhabits, as its 
fpecific name denotes, the Aiores of Iceland ; and is about 
an inch and a half long. 
33. Patella Cypria: fhell oval, fubpellucid, ribbed ; the 
ribs are occafionally tuberculate, and foliaceous on the 
outfide. It inhabits the fhores of Cyprus. 
34. Patella coftata : fliell ovate, a little gibbous, white, 
with crowded unequal tuberculate rugged ribs. 
35. Patella leucopleura: fliell ovate, dufky, with crowd¬ 
ed white fmooth unequal ribs. 
36. Patella ftriatula: fhell a little rugged, white, with 
brown flexuofe ftriae branching outwards, with two 
brown fpots in the bottom of the hollow. 
37. Patella odloradiata: fliell convex, with eight large 
tuberculate ribs, befides linaller ones. It inhabits tiie 
American illands. 
38. Patella rubra : fhell toothed, red under the brown 
fkin, with elevated rounded ftnre, and linaller imbricate 
ones, within white. 
39. Patella hepatica: fliell ovate, gibbous, thin, 
toothed, and of a livid colour, with elevated carinate 
obtufely-fpined ftriae. 
40. Patella badia: fliell fubconvex, brown ; within 
bay, with twelve larger rays, each furrounded by a rib, 
and as many linaller ones. 
41. Patella fufcefcens: fliell flattifh and brown, with 
ten elevated ftriae ; crown of a different colour; bot¬ 
tom with a pale liver-coloured fpot, edged with glau¬ 
cous and gold; the inner margin brown. The fliell is 
from two to four inches long ; more or lefs convex. 
42. Patella maculofa : fhell flattened, the fore part nar¬ 
row and rounded; yellowifh, fpotted with browm, with 
a white crown, with flat rounded equal rays. 
43. Patella rotundata: fliell fuboval, flattened, varied 
with brown, with rounded flat ribs and a differently-co¬ 
loured crown and bottom. 
44. Patella peften : fliell ovate, obfcurely edged with 
white, radiate, with diftant ftriae pedtinate outwardly ; 
crown grey ; bottom with a fpot furrounded with a white 
belt. It is found in North America. 
45. Patella corrugata : fliell ovate, wrinkled, chefnut, 
crown with a white circle ; within cinereous, radiate with 
white; bottom pale brown, edged with white. 
46. Patella albo-radiata : fhell ovate ; each fide brown, 
radiate with white, with elevated peitinate Itrias; the 
crown is white, and the bottom yellowifh. It is about 
half an inch long. 
47. Patella olivacea: fliell ovate, and olive-colour; 
within browm, varied with white, with elevated unequal 
ftriae; the margin with two rows of unequal fpines ; 
crown pale yellow ; bottom lilvery, with a brown centre. 
The fhell is half an inch long, and the bottom is fur-^ 
rounded with a white belt. 
48. Patella cerea: fliell ovate, both fides waxen colour, 
perpendicularly ftriate, with thirteen flattened ribs and 
white bottom. 
49. Patella impreffa: fhell ovate, with elevated, tranf¬ 
verfely-ftriate, brownilh ftriae, fpotted. with white, and 
reaching half-way down ; crown with a white imprefl'ed 
circumference. 
50. Patella aurantia : fliell ovate, folid ; citron undu¬ 
late with brown, with elevated crowded wrinkled ftriae 
and white bottom. 
51. Patella cingulum : fliell ovate, denticulate, cine¬ 
reous, with three black belts, within milk-white, with 
elevated unequal Arise, nodulous on the outfide, and fpi- 
nous at the margin. 
52. Patella oculata : fliell ovate, white, with flattened 
ribs of unequal length, brownifh between them ; crown 
with a brown belt. 
53. Patella 
