26 o 
Japonicst 
Magellanic 
ca. 
llybriaa. 
Radula, 
lu.lricata. 
1 alr^tundi. 
WORMS. TESTACEA. 66. Oftrca. 
\ ' I 
Shell equivalve, a little convex, margined with 
ppper-valve with faii t lines crofling concentric 
verfe bands, and 48 elevated ftrix within. 
Chemn. conch 7. tab. 6j. fig. 596, _ J; 
Inhabits (horcs of Guinea and Japan ; 5^ inches long and d> 
relembles O. Pleuroneftes, but is is coarfer and thicker : 
very finely wrinkled, and furnilhed with a protuberance 
knob beneath : lonaer-valnje ochraceous and quite finoodi* 
Shell equivalve, glabrous, with oblong crqwded ftrix* 
Chemn. conch. 7. tcA. 62. fg. 597. ajj! 
Inhabits the Straits of Magellan-, refemtles O- Pleurone 
y/if// lateriticus, not radiate, quite Ihioth v/ithin : 
more convex ; lonuer-mal’ve flatter than in moft others . 
tranfvarl'ely llriate. • 
Shell with g or 10 rays, the intcrft}ces Ipngitudjnally 
ate: margin repand within. 
Lijter conch tab. 173, Klein Oj'trac. t. 9./. 3}. 
Chemn. conch. 7. tab, 63 fig. 601,602. ^ yy 
lnhdb\t$ (he Nornuay /eas i thin : lonuet ~‘valn}evc)x\t.t,upper-^>' 
fanguineous, with angular veins apd lines. 
Shell nearly equivalve, with 12 convex rays c 
crenate ftrix. 
roffed 
Barbut, tab. 8. fig. 2. Rumf/, Muf. t- 44. A. 
Lifier conch, tab. 174,/^, li? tab. 175,/. 12. 
Petio). Amb. tab. tj, f. l- Gualt. test. tab. 74. L. 
Angenv. conch, tab. 24. D. Knorr Vergn. 5. t. cy,f,/J 
Chemn. conch, j.tab ftg 599,600. 
Inhabits the 0 «<r» •: 35 inches long, 2j broad. 
Shell oolong, white, or varied with white and brown : f jili 
njalnie a little more convex ; cars wrinkled and furrovveS ' 
oblique ftiiae. 
Shell nearly equivalve, flattiflt, with 9 unequal rays 
bricate with fcales, 
Chemn. conch, 7. tab. 69. f. G. 
Inhabits the Red Sea ; refembles the lafl. 
Shell whitilh with purple fpots, and a little crenite at the 
gin ; the rays alternately larger. 
Shell roundifhj 'with 8 convex chefnut rays: ears rouh 
white with a yellowifti border. 
Knorr Pergn. 2 , tab. IC). f. 4. 
Inhabits* Shell i| inch long and abroad. 
dift” 
I'. I 
