456 
CONCHOLOGY. 
19. H. ear ventrlcofe, fulvid brown, with tranf- 
verfe wrinkles, and longitudinal, tuberous plaits ; under 
fide iridefcent ; 4J- inches long. New Zealand. Ex- 
tremely rare. 
Gen. 32, Patella, Limpet. 
Gen. Char. — The animal is a limax ; the fiiell univalve, 
fubconic, Ihaped like a bafon, without fpire. 
Species. 
A. Having an internal lip ; Jbeil entire. 
1. P. orbicular, perfoliated outwardly; lip vaulted, 
perpendicular ; 1 inch wide. Indian and American 
feas. 
2. P. ovate ; tip fubfpiral ; lip lateral ; fize of a 
cherry ; inhabitant red. 
* 3. P. fqbconic, fmooth ; lip fomewhat lateral. Me- 
diterranean and Indian feas. On oyfters in Salcomb- 
bay, Devonlhire. 
porcellana. 4. p. oval ; tip recurved ; lip placed behind and 
flattened. India and Goree. 
fornicata. 3. p. oval, obliquely recurved behind ; lip placed 
behind, and concave. Barbadoes, Mediterranean. 
aculeata. g. p, oval, brown, with prickly ftriae ; crown re- 
curved. American iflands. 
trochifor - 7. P, conic, longitudinally plaited ; internal lip 
mis. lateral. Tranquebar and Falkland iflands. 
auricula. 8. P. roundilh, with radiated grooves, and ftriated ; 
crown recurved ; internal cavity ear-lhaped. Borneo, 
Santa Cruz. 
rugofa. 9. p. ovate, thin, obfoletely wrinkled tranfverfely ; 
margin unequal ; lip unequally repand ; above 1 inch 
long. China. It is generally found on the buccinum 
fpiratum. 
goreerjis. 10. P. oval, flat, thin, white, gloffy, lamellated on 
the outfide ; 5 to 6 lines in diameter. Rocks at Goree. 
contorta. 11. P. granulated with white, and fine perpendicu- 
lar, oblique ribs ; lip thin, oblique, and covering half 
the cavity. Rare. 
explanata. 12. P. white, finely ftriated ; crown inclining down- 
wards and dilated, behind which the fhell is depreffed. 
plicata. 13. P. conic, ochraceous, with ferruginous rays 
within ; with longitudinal, tranfverfely ftriated plaits. 
Jh’iata. 14. P. white, conic, ftriated ; grooves undulated ; 
crown a little lateral. 
folea. 15. P. twilled, pellucid, with ferruginous fpots; 
thinly plaited and tranfverfely grooved above ; lip un- 
dulated, repand ; inch long. 
echinata. 1 6. P. conic, prickly ; within glabrous. Found 
foflil near Crignon. 
B. Margin angular , or irregularly toothed. 
crepidula. 17. P. oval, flattilh, fmooth; lip femilunar, flat be- 
hind. Mediterranean. 
laciniofa. 1 8. P. rays unequal, elevated ; thicker and obtufe, 
on the outfide. India. 
faccha - 19. P. angular, with 7 keel-fliaped, obtufe ribs. Ja- 
rina. va and Barbadoes. 
barbara. 20. P. toothed, with 19 elevated, vaulted, and mu- 
ricated rays. Falkland iflands. 
granularis 21. P. toothed, with elevated, angular, imbricated 
ftriae ; 2 inches long. Southern Europe, and Cape of 
Good Hope. 
iris. 
60 
Patella. 
equejlris. 
neritoi- 
dea. 
JinenJis. 
2 2 . P. angular, with numerous muricated Arise ; granatina. 
id to 3 inches long. Jamaica, fouthern Europe. 
* 23. P. with about 14 obi'olete angles,, 'and di -vulgata. 
lated, acute, crenated margin ; crown central ; 2 
inches high. Marine rocks of Europe and India, Bri- 
tain. 
* 24. P. oblong with about 14 angles; crown lateral .deprejfa. 
Rocks of Europe, Britain, 
25. P. crenated, fubangular ; ftriae numerous, un cerulea, 
equal ; beneath blue j blackifti, on the outfide. Me- 
diterranean. 
26. P. conic, tubereulated ; tubercles w'hite, in tubercu*. 
rows ; flightly toothed ; retufe behind, lata. 
27. P. roundilh, pectinated ; rays imbricated, tu- lepas. 
berculated, and tranfverfely ftriated ; crown incurved ; 
2 1 inches long. Chili, Falkland iflands. 
28. P. oval, three-ribbed; white; ftriated at th etricojlata* 
fides ; internal margin flattilh, a little jagged. Indian 
ocean. 
29. P. carinated, rounded on the fore-part, with mytiUna* 
undulated ftriae ; brown and pearly within ; hinder 
margin .crenated ; 1 inch long. South America. 
3°. P. toothed, oval, conic, fomewhat compreffed ; ovata. 
ribbed ; brown between the ribs ; brown within, with 
white grooves ; 9 lines long. 
31.. P. angular, ovate, depreffed ; rays 1 o, elevat -Jlellata. 
ed, with Ihort, intermediate ribs ; 8 lines long. 
32. P. folid, ovate, gibbous; unequally ribbed ; icelandica. 
glabrous w'ithin, with alternate, cinereous, and horny 
rays ; margin crenated ; inch long. Shores of Ice- 
land. 
32. P. oval, fubpellucid ; ribs 16 to 20 ; tubercu- cypria. 
lated and foliaceous on the outfide; 1 to 3 inches long. 
Shores of Cyprus. 
34. P. ovate, a little gibbous, white; ribs 20 to cojlata, ■, 
40 ; keel-fhaped, crowded, unequal, tubereulated ; 2 
inches long. 
3 5 . P- ovate, dulky ; ribs fmooth, unequal, white, leucopleu- 
crowded ; crown ufually brown ; 1 inch long. ra. 
36. P. a little rugged, white, with brown, Qexuous/lrialu/a, 
ftriae, branching outwards ; 2 brown fpots in the bottom 
of the hollow 7 . .« 
37. P. convex; ribs 11 to 16; 8 larger, tubercu- otto- 
lated : 1 ± inch long. American iflands. radiata „ 
38. P. toothed; red under the brown Ikin, with rubra. 
elevated, rounded ftriae, and leffer imbricated ones; 
within white ; i~ inch long. 
39. P. ovate, gibbous, thin, toothed; liver-colour ; /^ator. 
ftriae elevated, keel-lhaped and obtufely fpined ; crown 
white ; 14 inch long. 
40. P. fubconvex, brown, with 12 larger rays ,badia. 
each furrounded by a rib, and as many leffer ones : 
2 \ inches long. 
41. P. flattilh, brown, with 10 elevated ftriae ; crown 1 fufeefeem, 
of a different colour ; bottom of a pale liver colour ; 
fpatulated fpot, edged with glaucous and gold ; inner 
margin brown ; 2 to 3 inches long. 
42. P. flattened; forepart narrow and rounded \maculofa. 
yellowilh, fpotted with brown ; crown white ; rays x-o 
or 11 equal, rounded, flat ; 4 to 1 inch long. 
43. P. fuboval, flattened, varied with brown ; ribs rotundata* 
flat, rounded ; crown and bottom differently coloured ; 
1 to 2 inches long. 
44. P. ovate, obfeurely edged with white; radiat-/> f <5?fff. 
ed, 
1 
