Chap. IV. 
CONCH OLOGY. 
461 
ejfufa- 
punicea. 
rufefcens . 
dimidiata. 
laSlea. 
pyramida- 
lis. 
bicolor. 
erythroce- 
phala. 
uerrucofa. 
tontami - 
nata. 
atrata. 
candicans. 
fuccinBa. 
pufilla. 
jlavefcens. 
antiquata . 
galeata. 
ptrfonata . 
223. P. convex,, rofy, with elevated, knotty, white, 
and alternately larger ftriae ; perforation round and 
large ; i-| inch long. 
224. P. convex, chefnut ; flrise unequal, crowded, 
decuffated ; within fmooth, with alternate green and 
white bands ; perforation round, furrounded with a 
chefnut ring, and an elevated white one within ; above 
an inch long. 
225. P. convex, white (haded with red ; here and 
there ftriated with red ; within fmooth, white ; perfo- 
ration oval. 
226. P. convex, above clear white, and cancellat- 
ed ; longitudinally ftriated towards the margin, with 
a rofy band ; perforation orbicular ; an inch long. 
227. P. convex, white ; ftriae glabrous, acute, un- 
equal ; crown rofy ; perforation large, orbicular ; an 
inch long. 
228. P. convex, rofy, ftriated; ribs 12, fmooth; 
within fmooth, and greenifti white ; one and one-fourth 
of an inch long. 
229. P. narrow, alternately radiated with chefnut 
and white ; ftriae unequally thick, lamellated ; margin 
infleCted ; perforation oblong ; i£ inch long. 
230. P. convex, white, with red lines outwardly, 
and elevated, rugged, contrary ftriae ; 10 of them 
larger ; margin repand, infleCted; crown reddilh; 1^ 
inch long. 
231. P. above brown, ftriated, terminated by a 
knotty belt ; beneath radiated with red, with acute, 
knotty ribs ; perforation orbicular ; three-fourths of an 
inch long. 
232. P. convex, with nodulous, unequal ribs ; lar- 
ger ones yellowifti brown, and marked with black dots, 
difpofed in interrupted circles ; crown cinereous ; per- 
foration furrounded within with an elevated, grafs-co- 
loured ring, and a brown circle. 
233. P. a little convex, narrow, white, with red 
lines ; outwardly fpotted with black, with elevated, 
convex, unequal Arise ; perforation oblong, with a 
chefnut margin within, with a reddilh ring ; 4 inch 
Jong. 
234. P. white, chefnut towards the margin, with 
20 alternately larger ribs ; crown reddilh, with an ob- 
long perforation ; near an inch long. 
235. P. ovate, pointed, white ; above fmooth, with 
an elevated belt in the middle ; dotted with ferrugi- 
nous towards the margin ; with elevated, unequal, 
fmooth ftriae ; perforation narrow, orbicular ; \ inch 
lon g- 
236. P. flattilh, white, fuborbicular, with 20 ele- 
vated, alternately lefs and (horter ftriae, perforation 
round, and furrounded on each fide with a reddilh cir- 
cle ; -§- inch long. 
237. P. thin, effufe, pointed, finely ftriated, yel- 
lowifh, with 6 brown rays ; crown cinereous ; perfo- 
ration oblong- 
238. P. convex, obfoletely ftriated, and furnilhed 
with concentric, imbricated wrinkles ; perforation oval, 
or nearly round ; 4 inch diameter. 
239. P. folid, ovate, compreffed ; within white; 
crown a little recurved, and obtufe; perforation linear; 
6 lines long. 
240. P. convex, with * decuffated lines and black 
rays. Falkland iflands,. 
6t 
Gen. 33. DENTALIUM, Toot l, -Jbeil. Dentalium, 
Gen. Char . — The animal a terebella ; Ihell univalve, 
tubular, ftraight or flightly curved, with an undi- 
vided cavity open at both ends. 
Species. 
1. D. with 10 ribs, (lightly curved and ftriated; 4 elephanti* 
inches long. Indian and European feas. num . 
2. D. with xo ribs, fmooth, and flightly curved. aprinvm, 
Indian feas. 
3. D. ribbed, curved, fubulate, of one colour, arcuatum. 
greenifti. 
4. D. with 8 ribs and 8 ftriae, pointed ; green, ii^-Jlriatulum. 
ped with white. Sicilian feas. [/am. 
5. D. ribs 6, ftriated. Found foflil at Loretto. fexangu- 
6. D. with 20 ftriae, flightly curved, interrupted \dentalis » 
red, tipt with white. Mediterranean. 
7. D. finely ftriated, flightly curved; gray, with fafciatum, 
darker bands ; thicknefs of a crow quill. Sicily. 
8. D. ftraight, doubly or triply ftriated, and annu -reBum. 
lated. 
9. D. roundilh, fomewhat obtufe ; finely and equally/o^f/e. 
ftriated. Foflil near Loretto. 
10. D. round, obliquely ftriated. Found foflil. annulalum 
1 s . D. flightly curved, fomewhat obtufe ; ftriae de- radula. 
cuffated, longitudinal ones granulated; an inch long. 
Found foflil in Piedmont. 
12. D. ftriae decuffated, all of them fmooth ; longi -interrupt 
tudinal ftriae with finer interrupted ones. Found fulfil turn. 
in Piedmont. 
13. D. round, flightly curved, continued, with politum. 
crowded, annular ftriae ; inch long. Indian and 
European feas. 
14. D. white, fmooth, round, flightly curved, with eburneum. • 
remote rings. India. 
* 15. D. round, flightly curved , fmooth, gloffy, ta -entails. 
pering to a fmall point ; pervious ; 1 4 inch long. In- 
dian and European (hores ; weftern coafts of Eng- 
land. 
16. D. round, curved, continued and fmooth .arietinnm. 
Scandinavia. 
17. D. round, flightly curved, interrupted, opaque ; corneum. 
1 4 inch long. African ocean. 
18. D. curved, very fmooth, white, with fulvous nebulofum* 
clouds and fpots. Sicily. 
19. D. horny, flexile, ftraightifli, round and fmooth \pellucidum 
24 inches long. North feas. 
20. D. hyaline, glabrous, flightly curved, and ta -vitreum. 
pering gradually ; 4 inch long. Found foflil in Pied- 
mont. 
21. D round, ftraightifli, fmooth, minute ; not minutum. 
larger than a brittle. Mediterranean. 
* 22. D . white, opaque, tranfverfely ftriated and im- imperfora-- 
perforated ; minute. Sandwich, Falmouth harbour, turn. 
* 23. D. fubpellucid, fubarcUated, tapering to a fmall gadus. 
point ; pervious, contracting a little towards the larger 
end; white, gloffy, and fmooth. Britilh channel ; 
called by the mariners hake's tooth. It is frequently 
brought up with the founding line. 
* 24. D. fubcylindrical, arcuated, marked with regu- trachea-. 
lar, ftrong, tranfverfe ftrite ; aperture round, tapering. 
to 
