PATELLA. 



Plate XIII. 



Species 27. (Fig. a, b, c, Mus. Cuming.) 



P.\TELLA TEAMOSERICA. Pat. testd ovatd, snbconoided, 

 radiatim costatd, costis coii/ertis, iuterdum obscure 

 nodoso-tttbercwlatis, raro submuricatis; lutescente aid 

 rosed, nigra radiatd, radiis albo mactdatis, vel iutersti- 

 tiis omnino nigris, intus margine plus minus viride 

 coloratd. 



The drugget Limpet. Shell ovate, subconoid, radiately 

 ribbed, ribs close-set, sometimes obscurely nodosely 

 tubercled, rarely a little prickled ; yellowish or rose- 

 tinged, rayed with black, rays white-spotted, or with 

 the interstices altogether black, interior more or less 

 brightly coloured at the margin. 



Martyn, Universal Conchology, vol. i. pi. 16. 



Hob. Australia. 



Distinctly coloured with black and yellow or black and 

 scarlet, which shines through brightly into the interior at 

 the margin. 



Species 28. (Fig. a, b, Mus Cuming.) 



Patella c^rulea. Pat. testd ovatd, convexiitsculd, apice 

 antice subinclinato, radiatim costatd, costis rudibus, 

 irregulariius, nunc grandibus, nunc parvis ; virescente- 

 C(eruled, purpureo-rufo versus marginem tinctd, intus 

 pellucido-coloratd, nucleo opaco-albo. 



The blue Limpet. Shell ovate, moderately convex, the 



apex a little inclined anteriorly, radiately ribbed, ribs 

 rude and u-regular, now large, now small ; greenish- 

 blue, tinged with pui-ple-red towards the margin, in- 

 terior transparently coloured, nucleus opake-white. 



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

 531. 



Hab. Teneriflfe. 



A delicate subtraiisparent rough-ribbed species, green- 

 ish-blue, tinged with purple-red towards the margin. 



Species 29. (Mus. Cuming.) 



Patella limbata. Pat. testd ovatd, subconoided, radia- 

 tim costatd, costis rudibus, latis, plus minus indistinc- 

 tis, nodulatis, obsolete muricatis ; intense aurantid, cos- 

 tariim interstitiis angustissimis nigris, intus margine 

 aurantio nigro conspicue maeulato, nucleo ceeruleo. 



The edged Limpet. Shell subconoid, radiately ribbed, 

 ribs rude, broad, more or less indistinct, noduled, 

 obsoletely prickly ; deep orange, interstices between 

 the ribs very nai'row, black, interior orange at the 

 margin, conspicuously blotched with black, nucleus 

 blue. 



Philippi, Abbild. und Besch. Conch, pi. 3. f. 1. 



Hab. Signet Bay, North Australia ; Bring. 



Closely allied to P. tramoserica, from the same locality, 

 with the ribs broader and less distant from each other. 



October, 185-t. 



