PATELLA. 



Plate XXX. 



Species 80. (Mus. Cuming.) 



Patella aster. Pat. testa ovatd, antice suiattemiatd, 

 subacute depreaso-conicd, antice mclmatd, radiatim 

 dense striata, striis elevatis, obtuse gj-anulatis, subuu- 

 dulatis; nigro-pnrpured, luteo-albo radiatd, radiis 

 acutis, pei'distiuctis, intus iridescente-corned, subpel- 

 luddd. 



The stab Limpet. Shell ovate, a little attenuated in 

 front, rather shaqily depressly conical, inclined an- 

 teriorly, radiately densely striated, striae raised, ob- 

 tusely granuled, a little waved; blackish -puii^le, 

 rayed with yellowish-white, rays sharp, very distinct, 

 interior iridescent-horny, subtransparent. 



Hah. ? 



Chiefly characterized by the very decided outline of the 



rays. 



Species 81. (JIus. Cuming.) 



Patella Nuttalliana. Pat. testa ovatd, acuminato- 

 convexd, apice siibohtusd, rude striata, striis hie illic 

 obsoletis; lutescente-albd, strigis irregularibus ustulato- 

 nigris vivide radiatd, intus albd, margine tiigro macu- 

 latd. 



Nhttall's Limpet. Shell ovate, acuminately convex, 

 rather obtuse at the apex, rudely striated, striae here 

 and there obsolete ; yellowish-white, rayed with vivid 

 burnt-black irregidar streaks, interior white, margin 

 blotched with black. 



Hah. Oregon. 



An erect acuminately convex shell, rather compressed 

 at the sides, painted throughout with very striking zebra- 

 like burnt-black stripes. 



Species 82. (Mus. Cuming.) 



P.ATELLA la.nx. Pat. testd hexagoiio-ovatd, antice attenu- 

 atd, subplano-depressd, rude angulatd et striata, an- 

 gulis obtusis ; nigrd, ad aiigulos albicante, intus caru- 

 ridescente, medio nigricante-castaned, lineatd, margine 

 nigrd. 



The flatter Limpet. Shell hexagonallv ovate, atte- 



nuated in front, rather flatly depressed, rudely angled 

 and striated, angles obtuse; black, whitish at the 

 angles, interior blidsh, blackish-chestnut in the mid- 

 dle, lineated, black at the margin. 

 Hab. Japan. 



A depressed roughly angled shell, painted black, except 

 on the angles and in some of the interstices. 



Species 83. (Mus. Cuming.) 



Patella amussitata. Pat. testd ovatd, antice subat- 

 tenuatd, convexo-depressd, apice subantico, dense stria- 

 td, striis obtuse elevatis, subscabrosis, paululum nndu- 

 latis ; virescente vel olivaceo-tuted, purpurea obscure 

 maculatd et radiatd, et indistincte albipunctatd, intus 

 iridescente-corned, subpellucidd. 



The mosaic Limpet. Shell ovate, a little attenuated 

 in front, convexly depressed, apex rather anterior, 

 densely striated, striae obtusely raised, subscabrous, 

 a little waved ; greenish or olive-yellow, obscurely 

 spotted and rayed with purple, and indistinctly 

 white-dotted, interior iridescent-horny, subpellucid. 



Hab. China and the Philippine Islands. 



A depressly convex subhorny shell, densely scabrously 

 striated, olive-green or yellowish, freckled with purple and 

 white dots. 



Species 84. (Mus. Cuming.) 



Patella nigro-sulcata. Pat. testd ovatd, soJidiusculd, 

 radiatim sulcatd, sulcis angustis, stibdistantibus ; rude 

 cretaced, albd, sulcis plus minus nigro-tinctis, intus 

 lutescente-albd, margine obscure Uneato. 



The black-grooved Limpet. Shell ovate, rather solid, 

 radiately grooved, grooves narrow, rather distant; 

 rough chalk-white, grooves more or less black, in- 

 terior yellowish-white, border faintly lineated. 



Hab. ? 



A peculiar chalk-white species, linearly grooved through- 

 out, the grooves being narrow, rather impressed, and black- 

 stained. 



January, 1855. 



