453 
G O N C II 
itrise 3 yeliowifh with elevated dark rays 5 crown re- 
curved, South America. 
Jlannea . 88. P. ovate, filvery 3 flriae elevated, flattened ; crown 
obtufe, copper colour 3 bottom with an oval bay mark ; 
margin flexuous 3 1 inch long. 
eandid'iffi- 89. P. fuborbicular 3 flriated 3 white, with a brown- 
ma. ifh band 3 dotted with brown 3 margin tranfverfely 
wrinkled. 
C. With the tip- or crown pointed and recurved. 
nungarica. * 90. P. entire, conic, pointed, flriated, with a hooked, 
revolute crown ; 2 inches high. America, Mediter- 
ranean, and Afiatic feas 3 fhores of Britain. 
imbricata. 9 1 . P. entire, oblong, imbricated 3 the crown placed 
behind. 
mammel- * 92. P. entire, conic, flriated, fubdiaphanous, with a 
/arts. fmooth remedied crown. Shores of the Mediterranean 
and Africa, Britain. 
tricarinata 93. P. fubflriated, with 3 ribs on the forepart; 2,1- 
inches high. ■% 
pcclinata. 94. P. entire, ovate, with wrinkled, {lightly branched 
flriae 3 crown nearly central 3 2 inches long. Medi- 
terranean. 
fa tea, 95. P. entire, oval, convex, flriated, with a fubmar- 
ginal, refle&ed, mueronate crown 3 fize of a melon feed. 
India. 
erijiaia. 96. P. crown revolute 3 back crefled, keel-fliaped. 
lacujlris. 97. P. entire, oval, membranaceous, with a central, 
mueronate, remedied crown 3 14 to 24 lines long. Frefh 
waters of Europe, Britain. 
Jluvlati/is. 98. P. entire, oval, a little horny, with a marginal, 
mueronate crowm 3 aperture oval ; 24 lines long. Ri- 
vers of Europe, Britain. 
caeca. 99. P. entire, with elevated dots and flriated 3 crown 
acute, flraight. Bays of Norway, on flones. 
virginea . 100. P. entire, white, with 18 red bands. Bays of 
Norway, on fuci. 
tejfelaia, 101. P. entire, whitifh, teffelated with red. Nor- 
way, on rocks and fuci. 
fulva. 102. P. entire, orange, with a mueronate and nearly 
vertical crowm. Norway. 
fubfpiralis. 103. P. ovate, with an obtufe nearly fpiral tip. 
Norway, 
ambigua. 104. P. ovate 3 margin flightly toothed; pointed re- 
flected, fomewhat acute. Norway. 
rubicunda . 105. P. entire, fubconic, fmoothifh, and reddifh 3 
24 lines long. Beeps of Greenland. 
borniana. 106. P. ovate, entire, finely flriated longitudinally 3 
white with red veins; 6 lines long. 
caiyptra. 107. P. entire 3 ribs fomewhat imbricated 3 crown 
hooked 3 margin finuated. North America. 
rr.elanoku - 108. P. flriated, entire, alternately black and white; 
eta, 1 inch long. 
peEluncu- 109. P. oblong, convex, flightly toothed, within 
/us. polifhed 3 flriae knotty, elevated ; crowm bent forwards 3. 
x inch long. 
fafeiata. no. P. ovate, white, with a brown band 3 flriae 
elevated, acute 3 margin dilated, crenated, and cinere- 
ous within 3 1 inch long. 
alegans, 111. P. with decuffated flriae, white radiated with 
red 3 denticulated 3 crown gray 3 2 inches long. 
jquamofa. 1 j 2. P. flriae elevated, and tranfverfely undulated 
on the outfide 3 brown, filvery towards the margin 3 
crown hooked and bronzed ; 34 inches long. 
Jcpual'da. 113,?. entire brown, whitifh within 3 margin blu ifh, 
o L O G Y. Chap. IV 
radiated with brown, with elevated, obsolete flriae 3 
crown knotty. 
1x4. P. fmooth, fubangular, yellow' radiated with crocea. 
brown ; crown obtufe, white ; x inch long. 
1 1 5. P. ovate fmooth, white on both fides, with a Candida, 
rofy belt on the outfide 3 crown lateral ; 4 inch long. 
1 16. P. compreffed, convex in the middle, cancel- trigona. 
lated, white, with a brownifh band on the outfide, and 
margined within ; crown marginal, obtufe ; 4 inch 
long - 
1 x 7. P. rounded, convex, thin ; whitifh with red fpots ; minima » 
crown obtufe, white, marginal 3 4 inch long. Ferro 
iflands. 
2x8. P. ovate, thin, pellucid, with fine crowded tranquc~ 
flriae; chefnut with white feales, within milk-white; barica, 
with a brown fpot at the bottom, and azure fpot on 
the crown. Tranquebar. 
1 19. P. oblong, horny, very thin, pellucid, glabrous, perverfa, 
with a ferruginous bafe. Africa. 
120. P. with decuffated grooves 3 thin, pale flefh- cernua, 
colour 3 aperture oblong. 
1 21. P. entirely white, flat 3 point of the crown incurva. 
tw'ifled. 
122. P. oval, deprefled, brownifh, with green dots, inter rapt a 
difpofed in oblique, interrupted rays 3 crown with ah 
obtufe hook ; X inch long. 
D. Entire, and not pointed at the tip or crown. 
123. P. conic, flriated, greenifn or pale brown ; afret, 
within white 3 crow n glabrous, white, obtufe 3 margin 
glabrous, lfland of Goree. 
124. P. conic, white, with brown rays marked with lujitanieg* 
flriae granulated with black 3 crown acute, furrounded 
with a chefnut ring ; very fmall. Portugal, on the fea 
rocks. 
1 25. P. rounded, convex, gray, with decuffated flriae 3 radiata . 
crown pointed, central, and marked with 12 orange, 
radiated lines 3 bottom horny. Jamaica. 
126. P. pyramidal reddifh gray, with thin, circu- areolata. 
lar flriae croffed by longitudinal ones ; crowm violet. 
1 27. P. ovate, with fine annulated flriae, reddifh f.ammea . 
gray, with undulated brown rays 3 crown acute, cen- 
tral 3 white in the middle. 
128. P. reddifli gray, with radiated flriae, glabrous, indie a. 
narrower on one fide 3 crown acute, fmooth, furrounded 
with a reddifh ring ; 34 inches long. India. 
1 29. P. thick, fubovate, yeliowifh, with black rays ,furina- 
and- longitudinal, unequal flriae; and fuiirounded with menjts. 
knotty belts 3 crown obtufe, fmooth, white. Suri- 
nam. 
1 30. P. ovate, yellow 3 bafe unequally flriated ; vitellina . 
crown whitifh, obtufe. 
13 1. P. ovate, convex, white, folid, with flexuous, fanguino~ 
elevated, longitudinal flriae, intermixed with capillary lenta. 
ones 3 crown lateral, furrounded with a broad ring, 
dotted with red. Africa. 
132. P. ovate, yellow, within bluifli white, with ob -laevigata. 
lique flattened flriae, alternately thicker and thinner 3 
crown white, fmooth, polifhed. 
133. P. rounded, white, with many-coloured dots ,punBvlata 
radiated towards the bafe, and furrounded with 2 brown 
rings. 
* 134. P. entire, obovate, gibbous, pellucid, with qfellucidc, 
blue rays 3 fize of a walnut. European and northern 
feas, fhores of Britain. 
233. P. 
