460 
rotalis. 
fufcata . 
me l lea. 
anceps. 
guineenjis. 
compla- 
nata. 
virgata , 
nivea. 
grifea. 
navicula . 
cingul&ta . 
fccpha , 
parva „ 
fjfura. 
fjfurella . 
pujluia, 
greeca. 
ntmbofa . 
nubecula. 
piEia. 
larbaden- 
fts. 
CONCHOLOGY. ' Chap. IV. 
reaching half way ; bottom with a fpatulated white 
fpot 5 4 inch long. 
* 182. P. white, opaque, flat, round; margin regu- 
larly toothed. Sandwich. Rare. 
183. P. ovate, convex, finely ftriated and varied 
with brown. 
184. P. rounded, folid, glabrous, honey-colour; 
white within ; crown brownilh ; margin fpotted with 
brown, and filvery within ; 4 inch long. 
185. P. folid, glabrous, pointed, pale chefnut ; pale 
flefh-colour within. 
186. P. ovate, convex, fmooth ; one fide broader 
and chefnut ; the other with the crown pale yellow ; 
margin flefh-colour on each fide ; 4 inch long. Guinea. 
Rare. 
187. P. deprefled, hemifpherical ; obfoletely can- 
cellated, varied with white and brownifh ; margin 
white on one fide. 
188. P. ovate, longitudinally ftriated ; whitifh, with 
brown rays and crown ; pearly within. 
189. P. fubconic, folid, glabrous, fnowy ; with 7 
to 8 tranfverfe concentric rings ; crown rounded ; 4 
lines wide. Africa. 
190. P. oval, with crowded radiated grooves, po- 
li filed within; crown nearly central; an inch long. 
Africa. 
1 9 1 . P. narrow, with decuffated ftriae ; rofy, with a 
whitifh callous belt on one fide in the middle ; mar- 
gin acute, revolute on each fide ; an inch long. 
192. P. fomewhat oval, obfoletely ftriated, ferru- 
ginous, with two elevated, obfcurely barred belts ; 
crown nearly central. 
193. P. clear white, with undulated ftriae, narrow ; 
broader fide with an acute callus ; narrower fide re- 
pand ; crown towards the narrower fide; lj inch 
! °ng. 
* 194. P. fmall, entire, without glofs, whitifh, faint- 
ly radiated with red ; rather larger than a pea. De- 
vonfhire coafts. Very rare. 
E. With the crown or tip perforated . 
* 195. P. oval, conic, with reticulated ftriae; cleft an 
the fore-part ; crown recurved ; \ inch long. Euro- 
pean and Barbary coafts, 'Devonfhire. 
* 196. P. grooved and perforated on the fore-part ; 
crown recurved; 3! lines long. Iceland feas, Falmouth 
harbour. 
397. P. oval, gibbous, convex, with reticulated ftriae ; 
margin crenated; perforation near the pofterior margin. 
Mediterranean and Indian feas. 
* 198. P. ovate, convex, reticulated ; crown not much 
elevated ; perforation oblong ; margin crenulated ; 
length 4 inch. Foreign fpecimens 14 inch. European 
feas, Sandwich. 
199. P. ovate, ftriated, rugged, brown; perfora- 
tion oblong ; 2 inches long. Mediterranean and At- 
lantic. 
200. P. fubovate, rugged, white radiated with red ; 
perforation ovate. Mediterranean. 
201. P. ovate, folid, clouded white and green, with 
oblique, undulated, alternate, violet and white rays ; 
3-i- inches long. Stfaits of Magellan. 
202. P. oblong, unequally ftriated ; within fmooth ; 
milk-white with greenifh bands ; margin crenated ; 
J 
perforation circular, and furrounded with a chefnut 
ring. Barbadoes. 
203. P. whitifh, tranfverfely annulated with longi -jamaicen. 
tudinal ftriae ; covered vdth foliaceous tubercles ; per -Jts. 
foration oblong. Jamaica and Barbadoes. 
204. P. ovate, compreffed, ftriated; finely annula- £4^77. 
ted, and radiated with black ; bottom milk-white ; 
perforation nearly central. 
20 5. P. A little convex, tranfverfely wrinkled - 7 perforata, 
brownifh, with ftraw-coloured rays and fpots ; ftriae 
longitudinal, and alternately larger and fcaly ; 14 
inch long. 
206. P. oblong, compreffed, unequally ftriated \porphyro * 
white, with 5 purple, interrupted belts; greenifh white zonias. 
within ; perforation minute, furrounded on the infide 
with a red circle. North America. 
207. P. thinly ftriated with alternate rofy and white rofea. 
rays ; perforation oval, and furrounded with a red ring 
on the infide. Minute. 
208. P. repand on each fide, compreffed ; ^exiox^-fcutellum. 
tion radiated with grooves; from 1 to 14 inch long. 
209. P. thin, white, and finely ftriated ; perforation avellana. 
oblong, and divided by a ligament. 
210. P. ovate, convex, white ; Arise elevated, \hick-fpinofa. 
ex towards the margin, and marked with four rows of 
tubercles; exterior tubercles fpinous ; perforation ob- 
long* 
21 1. P. ovate, gibbous; whitifh, radiated with denticulate 
brown ; green within ; ftriae elevated, fomewhat rug- 
ged, and alternately larger ; margin denticulated ; cre- 
nated within ; perforation in form of a parallelogram. 
212. P. ovate, convex; ftriae elevated, knotty, nodulofa* 
crofting thinner tranfverfe ones ; within white ; crown 
black. 
213. P. deprefled, white ; ftriae elevated, every 4th angujia* 
of which is larger ; perforation narrow, furrounded with 
a chefnut band on the outfide, and a green one within ; 
\ inch long. 
214. P. ovate, convex ; ftriae decuffated ; perforation incequalts, 
furrounded with an elevated ring and red line ; x inch 
long. 
215. P. oval, pyramidal, reddifh, with 12 elevated minuta. 
white ftriae ; Ipottom white ; perforation oval and near- 
ly central. 
216. P. ovate, convex, ftriated ; yellowifh, with confperfa » 
red dots and 3 oblique rays ; crow n central ; perforation 
linear. 
2x7. P. oval, ftriated, reddifh, with a white band rubefcens. 
in the middle ; margin entire ; perforation linear ; 1 
inch long. 
218. P. oval, thin, red; within greenifh white fanguinea. 
ftriae longitudinal, crofting finer tranfverfe ones, which 
are rugged outwardly ; 4 inch long. 
219. P. oval, ventricofe, with red decuffated ftriae ; ventrtcofa, 
crowm deprefled ; perforation orbicular ; an inch long. 
220«- P. oval, flattifh, ftriated ; white, with 3 brown triradiata. 
rays ; crown central ; perforation linear ; 4 inch long. 
221. P. pellucid, oval, a little convex ; longitudinal- tenuis. 
ly ftriated ; white, with 5 half brown rays ; perforation 
with a cinereous margin ; not 4 inch long. 
222. P. convex, rofy, with an interrupted black band, melanc%o~ 
and elevated, unequal, white ftriae ; crown pointed \nias, 
perforation orbicular, and furrounded within with an 
elevated gray ring ; inch long. 
223. Pv 
