PATELLA. 



Plate VI. 



Species 10. (Fig. a, b, Mus. Cuming.) 



Patella sanguinans. Pat. testa, ohlongo-ovatd, coiwcx- 

 iusculd, apice subantico, striis concentricis lirisqiie 

 parvis superficiariis decussatd; albidd, hie illic pecu- 

 liariter rngom, strigis sangidneo-nifis promiscue flii- 

 entibus tinctd, mperficie rngosd rufo-punctatd, iittits 

 semipeUucido-albd, conspkue rvfo-radiatd. 



The bleeding Limpet. Shell oblong-ovate, rather con- 

 vex, apex rather anterior, decussated with concentric 

 stria3 and small superficial ridges ; whitish, here and 

 there pecuharly rough, marked with promiscuously 

 flowing blood-red streaks, rough surface red-dotted, 

 interior semipellucid-white, conspicuously red-rayed. 



Hab. Cape Natal, South Africa. 



This fine new species is of an oblong-oval form, rather 

 flattish, with the apex situated somewhat anteriorly. It 

 is of a reddish-white ground, painted with promiscuous 

 streaks of red, like blood flowing, and the ground is sin- 

 gularly overlaid here and there with an opake rough 

 coatins; dotted with red. 



Species 11. (Fig. a, b, Mus. Cuming.) 



Patella longicosta. Pat. testa ovatd, aidice snbat- 

 tenuatd, depresso-convexd, costis diiodecim. fortissimis 

 radiatd, costis paucis minoribus intermediis, omnibus 

 carinatis ; fernigineo-nigrd, iiitus ccendescente-albd, 

 niicleo pallid^ vittelUno, Jiiargiae prominente stellato- 

 sqnamato, nigro-fimbriato. 



The long-ribbed Limpet. Shell ovate, slightly attenu- 

 ated anteriorly, depressly convex, rayed with twelve 

 very strong ribs, with a few smaller intermediate ribs, 

 all the ribs keeled ; rust-black, interior bluish-white, 

 with a pale yelk nucleus, margin promhiently stel- 

 lately scaled, black-rayed. 



Lamahck, Anim. sans vert. (Deshayes' edit.) vol. vii. p. 

 528. 

 Patelta gorgonica, Humphreys, MS. 



Hab. ? 



This well-known species is chiefly remarkable on ac- 

 count of the very conspicuous star-like development of the 

 ribs. 



October, 1854. 



