457 
Chap. IV. 
CONCH 
corrugata. 
alboradi- 
ata. 
olivacea. 
cerea, 
dmprejfa. 
mrantia. 
.cingulum. 
igtculata. 
magellani- 
£a. 
Qchroleuca. 
Jentata. 
nodofa. 
einerea. 
gxalbida. 
ed, Arise diilant, pe&'inatfed outwardly ; crown gray 5 
1 to 2 inches long. North America. 
45. P. ovate, wrinkled, chefnut ; crown with a white 
circle ; 4 inch long. 
46. P. oval, brown, radiated with white on each 
fide ; Arise elevated, pe&inated ; crown white ; bottom 
yellowifh •, \ inch long. 
47. P. ovate, olive-coloured ; within brown varied 
with white, with elevated unequal ftriae ; margin with 
2 rows of unequal fpines ; brown, pale yellow ; 1-'- 
inch long. 
48. P. ovate, wax-colour on both fides 5 perpendi- 
cularly ftriated; ribs 13, flattened ; bottom white; 
4 inch long. 
49. P. ovate, with ftriae elevated, tranfverfe, brown- 
ilh ; fpotted with white, and reaching half way down ; 
crown with a white, impreffed circumference ; and 
3 brownilh fpots ; 4 inch l° n g- 
50. P. ovate, folid, citron undulated with brown ; 
Arise elevated, crowded, wrinkled ; bottom white ; 1 
inch long. 
51. P. ovate, denticulated, cinereous, with three 
black belts ; within milk-white, with elevated, unequal 
ftriae, nodulous on the outfide, and fpinous at the 
margin ; 1 inch long ; crown acute, reddifh or whitilh. 
52. P. ovate, white; ribs flattened, of unequal 
lengths ; interlaces brownilh ; crown obtufe, with a 
brown belt ; 4 inch long. 
53. P. thin, ovate ; margin knotty ; within pearly, 
with elevated chefnut ftriae ; crown pointed, brown ; 
4- inch long. Straits of Magellan. 
54. P. ochraceous, with three yellow bands, and 
elevated, acute, unequal ftriae ; crown white ; x inch 
high. 
55. P. white, denticulated ; ftriae unequal, elevated, 
acute ; crown furrounded with a double row of cinere- 
ous dots, and a dulky gray band ; x inch long. 
56. P. yellow, radiated with brown ; Arise unequal, 
elevated, knotty ; crown and bottom white ; i-J inch 
Jong* 
57. P. toothed, cinereous ; ftriae unequal, elevated ; 
interftices brown and rugged ; crown pointed ; milk- 
white or filvery. 
58. P. whitilh, rays brownilh, and Arise unequal, 
elevated, rounded ; interftices rugged ; crown obtufe, 
white, with a broad, interrupted brown band, and ano- 
ther marginal one ; \ inch long. 
caticellata. 59. P. cinereous and brown, with decuffated ftriae, 
and 2 rows of tubercles ; crown yellowilh ; bottom 
with a fpatulated white fpot ; 14 inch long. Jamaica, 
lams. 60. P. rounded, fmooth, yellowilh, with a broad, 
citron, marginal band, fpotted with brown, and ano- 
ther narrower one ; margin dilated, acute ; crown va- 
ried with bluilh and white ; 14 inch long. 
argsntea. 61. P. fmooth, thick, filvery; rays if, brown; 
margin filvery : crown pale yellow ; bottom ivory, 
with a double white ring ; 2 inches long. Very rare. 
cuprea. 62. P. white, with ftrong, rounded, brown ribs ; 
pearly within ; crown and bottom copper-coloured ; 2 
inches long. 
rubida. 63. P. pale liver-colour on both fides ; ribs keel- 
Ihaped, alternately larger and lefs ; crown flat, white ; 
14 inch long. 
glabra . 64. P. brown, glabrous above ; ftriae beneath ek- 
Vol. VI. Part II. 
O L O G Y. 
vated, crowded, white ; crown obtufe, white ; border 
fulvous ; bottom fulvous ; 14 inch long. 
65. P. yellowilh, varied with brown ; ribs \mcc\m\.flaveola. 
flattened ; crown obtufe ; bottom varied reddilh and 
white ; 1 inch long. 
66. P. denticulated, compreffed on each fide ; round -\nfundibu~ 
ed, yellow, perpendicularly ftriated ; ribs keel-lhaped \lunu 
bottom varied, white and cinereous ; i-J inch long. 
Rare. 
67. P. rounded, glabrous, white ; a fmall {hell: cyathus. 
68. P. ovate, entirely yellow, with undulated grooves \jinica. 
perpendicularly ftriated within ; margin fcalloped here 
and there ; 3 inches long. China. 
69. P. roundilh, white, with many coloured dots \punBata. 
radiated at the bafe, and furrounded with 2 brown 
rings ; margin flexuous. 
70. P. ovate, with annular Arise ; black with el e- lugubris. 
vated, unequal ftriae ; margin crenated ; crown and 
bottom white. 
71. P. ovate, toothed, yellowilh, with elevated fiat -ulyjfipo- 
tened ftriae ; crown pointed, orange. Lilhon. nenjis. 
72. P. oblong, red, with elevated, unequal, white umbel/a. 
ftriae ; margin crenated. Africa. 
73. P. thin, pellucid, ftriated, blackilh with olive crcnata, 
rays ; within glaucous or cinereous ; crown pointed ; 
margin crenated, bottom milk-white. Shores of Africa, 
Malaga, Liibon. 
74. P. ferruginous, with angular or undulated rufiet ferruginea „ 
lines and cinereous belts ; wuthin milk-white, with ele- 
vated, knotty ftriae ; crown pointed ; margin plaited. 
75. P. oval, ochraceous, with elevated black ftriae ; tne/ano- 
within filvery, fpotted ; crown pointed, white, fmooth, gramma. 
bottom with a ftraw-coloured fpot. 
76. P. ovate, thin ; margin flexuous ; within filvery ,repanda. 
with brownilh rays, and thin, undulated ftriae, with 
bay granulations. Seas of Magellan. 
77. P. oval, white, thinly ftriated, and varied with angulofa, 
red fpots and dots ; margin with 8 angles. 
78. P. oval, fmooth, polilhed, pellucid, ftriated with tigrina. 
7 yellowilh ribs ; bluilh olive dotted with brown ; mar- 
gin with 7 angles. 
79. P. oblong, flattilh ; bay ftriated with white ; monopis . 
within milk-white, with 1 1 elevated, unequal ftriae ; 
crown rounded, white. American iflands. 
80. P. ovate, toothed, brown dotted with green \chloroJUc-. 
with 1 1 elevated, hollow, broader ftriae, and as many to. 
narrower ones ; crown white. 
81. P. thin, white, unequally ftriated, within pear -margarl 
ly ; crown with an orange mark, furrounded with a tacea. 
yellow ring : margin crenated. Iceland. 
82. P. oval, thin, ochraceous, with angular chef- tenuijjima . 
nut lines, and 10 to 12 elevated, obtufe, hollow, un- 
equal ftriae. 
83. P. folid, fubconic, tranfverfely plaited ; margin mitrula, 
flexuous. Barbadoes. 
84. P. ovate, toothed, with 30 elevated, obtufe, plicaria* 
undulated, and tranfverfely wrinkled ftriae. " Shores of 
Magellan. • 
85. P. whitilh, obtufely pentangular ; margin csz- pentagons* 
nated, dilated ; crown obtufe ; bottom reddilh. 
86 . P. ovate, tender, pellucid; ftriae elevated ; ce-ruea. 
crown and bottom copper-coloured ; 14 inch long. 
Straits of Magellan. 
87. P. thin, oblong, ovate, with fine undulated conchacea* 
3 M ftriae ; 
