PATELLA. 



Plate IX. 



Species 16. (Fig. a, b, Mus. Cuming.) 



Patella plicata. Pat. testa ovatd, antice subangmtiore, 

 parum convexd, rude pUcato-costatd, costis squamis 

 cornutu ruyoais prof use armatis ; griseo-albd, nigro- 

 cante marmoratd, intus niteide-nlbd, nmrgine acute 

 elongato-squamatd. 



The pleated Limpet, tiliell ovate, rather uarrower 

 anterioi'ly, but little couvex, rudely plicately ribbed, 

 ribs profusely armed with rough horued scales ; grey- 

 ish-white, marbled with pale black, iuterior shiniug 

 white, sharply elongately scaled at the margiu. 



Born, Mus. Test. Viudobouensis, pi. IS. f. 1. 



Hah. Cape of Good Hope. 



Chiefly distinguished by the rude scales of the ribs, 

 which are very irregularly developed and mostly of a pro- 

 longed horn-like growth. The colour of the shell is gene- 

 rally an ash-mottled grey. 



Species 17. (Mus. Cuming.) 



Patella ujibella. Fat. testa ovatd, antice snbattetmatd, 

 radiatim costatd, costis acutis, subrudibus, stjuamiilatis, 

 liris duabus mimitis in interstitiis ; subpellucido-albd, 

 minio pmictatd et strigaid, intus peUucido-albd, nucleo 

 iiiannoreo-alho. 



The little fan Limpet. Shell ovate, subattenuated in 

 front, radiately ribbed, ribs sharp, rather rude, finely 

 sealed, with two minute ridges in the interstices ; 

 sul-itransparent-white, dotted and radiately streaked 

 with vermilion, iuterior trausparent-white, with mar- 

 ble-white nucleus. 



Gmelin, Syst. Nat. p. 3706. 



Patella sangtdnolenta, Gmelin. 

 Patella miiiiata, Born. 



Ilah. Cajje of Good Hope. 



Of trausparent-white texture, rudely squamately ribbed, 



delicately streaked and spotted in the interstices between 



the ribs with bright scarlet-vermilion. 



October, 1854. 



