PATELLA. 



Plate XII. 



Species 24. (Fig. a, b, Mus. Cuming.) 



P.\TELLA COCHLEAE. Pat. testd rotundato-ovcitd, parmi 

 convexd, antice attenuato-prodiictd et cochleariformi, 

 radiathm plauo-costatd, costis latis, acute sidcatis ; 

 cmrulescente-alhd, intus ceeruliore, impressione miis- 

 culari caruleo-uigrd, margine crennlato. 



The spook Limpet. Shell rotundately ovate, but little 

 convex, anteriorly attenuately produced and spoou- 

 shaped, radiately flatly ribbed, ribs broad, sharply 

 ridged ; bluish-white, interior more blue, with the 

 muscular impression blue-black, margin crenulated. 



Gmelin, Syst. Nat. p. 3721. 



Hah. Cape of Good Hope. 



A very characteristic species, always distingmshable by 



its blue colouring and by the spoon-shaped prolongation 



of the anterior extremity. 



Species 25. (Fig. o, h, Mus. Cuming.) 



Patella radians. Pat. testa ovatd, convexinsculd, apice 

 antice multo inelmato, radiatim costatd, costis ro- 

 tundatis, subdistantibus, obsolete nodosis, anticis brevis- 

 ■mtvis ; olivaeeo-einered, costis plus minus nigris, inter- 

 stitiis nigro alboque maciilatis, intus sordide cinered, 

 nucleofidvo. 



RAYED Limpet. Shell ovate, moderately convex, 

 apex very much incKued anteriorly, radiately ribbed, 

 ribs rounded, rather distant, obsoletely nodose, front 

 ribs very short ; olive-ash, ribs more or less black. 



The 



interstices blotched with black and white, interior 



dull ash, nucleus fulvous. 

 Gmelin, Syst. Nat. 13th edit. p. 3730. 

 Hub. New Zealand ; Earl. 



The apex of this species is unusually much inclined an- 

 teriorly. The entire surface is distinctly rayed with full 

 cord-like ribs, black-stained, and sprinkled chiefly in the 

 interstices with white spots. 



Species 26. (Fig. a, b, c, Mus. Cuming.) 



Patella viridula. Pat. testa rotundato-ovatd, siibco- 

 noided, undiqne peculiariter dense minute indentatd, 

 radiatim costatd, costis diMantibus, planulatis, fere ob- 

 soletis ; Jlavescente-albd, viridi plus minus maculatd et 

 punctata, costis opaco-alho inlerdmn punctatis, intus 

 alba, margine viridi. 



The greenish Limpet. Shell rotundately ovate, sub- 

 conoid, everywhere peculiarly densely minutely in- 

 dentated, radiately ribbed, ribs distant, flattish, al- 

 most obsolete ; yeUowish-white, more or less blotched 

 and dotted with green, ribs sometimes dotted with 

 opake-white, interior white, green at the edge. 



Lamarck, Anim. sans vert. vol. vii. p. 539. 

 Patella Pretrei, D'Orbigny. 



Hah. Coquimbo ; Cuming. 



Peculiarly finely indented throughout, and dotted and 

 variegated with bright green. 



October, 1854. 



