560 WORMS. TESTACEA. 83. Haliotis. 
Guineensis, Shell ovate, fubconvex, folid, with decuffate ftriz. 
Schrat. Einl. in conch. 2. tab. 4. fig. 18. 
Inhabits Guinea: 2-.25 incheslong, 14--2 broad... 
Shell dull green {potted with white, chefnut towards the fpire, 
fometimes varied with green red and white, the infide red 
and green pearl, with longitudinal curved equal ftrie and 
parallel tranfveríe ones by two’s and three's ; margin acute, 
ftraight : orifices Hattened, 6 of them open. 
- 
Imperforata Shell ovate, imperforate, with prickly ribs: fpire exferted. 
Meufcben Naturf. 18. tab 2. fig. 18. 18. e. 
Chemin. conch. 10 tab. 166. fig. 1600, 1601. 
Inhabits India, above an inch long; extremely rare. 
Shell cinereous, the middle fpines on the ribs ftronger: margin 
rather thin and acute. 
Perverfa. Shell ovate, imperforate, the margin oblique above and 
tuberculate within: fpire contrary. 
Martini n. Mannigf. 4. tab. 1. fig. 3. 
Gualt, test. tab. 69. M ? 
Found foffile: 2 of an inch long, 2 broad. 
Plicata. — Shell tranfverfely plaited on the outfide, the margin broad, 
thick and very finely ftriate longitudinally. | 
Schret. Einl. in Verfl. 4. tab. 3. fig. 9. x 
Found foffile near Hz/Zesia : X of an inch long, 2 broad. 
Shell very much compreffed, with 3 or 4 whorl:. 
Glabra. Shell ovate, fmoothiíh, folid, varied with white and green : 
fpire placed low. 
Inhabits Chemn conck 10. tab. 166, fig. 1602. 
Shell 2 inches and 5 lines long, an inch and 9 lines broad : zzzer- 
lip very broad: orifices 6, open: near the /pire a few traníver(e 
ftriz, and a few longitudinal ones behind the orifices, 
Pulcberri-. Shell roundifh, varied with rofy and white, with granulate 
sa ftris: fpire exferted. 
Chemn. conch. 10. tab. 166. fig. 1605, 1606. 
Martyn uniwerf. couchol. 2. tab. 62. * 
Inhabits the South Sea Ifands: above 7 lines lang. 
Shell filvéry within ; inner margin very broad: ouser-/ip crenate : 
orifices 30, 6 of which are pervious. ’ 
Virginea, Shell ovate with decuffate undulate ftriz, dull green with 
whitilh fpots and bands; the under fide fhining with 
fine iridelcent colours. 
Chemn, 
