PATELLA. 



Plate XXVI. 



Species 66. (Fig. a, h, c, Mus. Cuming.) 



Patella Araucana. Pat. testa, ovatd, nunc depressd, 

 nunc elevat'msculd et aiitice acute iuclinatd, radiaflm 

 costaid, costis rudihus, subtuhulosis ; lutescente-alhd, 

 costarmn interstitiis intense viridi reticidatis, intus 

 limdo-albd, medio nigro-castaned, niargim virescente, 

 subfimbriato. 



The Araucanian Limpet. Shell ovate, sometimes de- 

 pressed, sometimes a little raised and sharply in- 

 clined anteriorly, radiately ribbed, ribs rude, subtu- 

 bulous ; yellowish-white, interstices between the ribs 

 reticulated with dark gi'cen, interior livid white, 

 dark chestnut in the middle, margin greenish, slightly 

 fiu-belowed. 



D'Ohbigny, Voy. dans TAmerique Meridionale, p. 482. 

 pi. 65. f. 4 to 6. 



Hab. Valparaiso. 



It may be doubted whether this is not also a variety of 

 Mr. Sowerby's extremely variable P. variabilis, represented 

 in the preceding plate. 



Species 67. (Mus. Cuming.) 



Patella vespertina. Pat. testa ovatd, rotundato-con- 

 vexd, subdepressd, dense irregnlariter liratd et sulcata, 

 liris lavibus vel obsolete nodosis, apice plano-ohtuso ; 

 virescente, radiis lineisqite viridibus nitide pictd, intus 

 ccBnlescente-albd, medio lutescente-fusco tinctd, mar- 

 gine subangusto. 

 The evening-rayed Limpet. SheU ovate, rotimdately 

 convex, rather depressed, densely irregularly ridged 

 and grooved, ridges smooth or obsoletely nodose, 

 apex flatly obtuse ; greenish, neatly painted with 

 green rays and lines, interior bluish-white, tinged 

 with yellowish-brown in the middle, margin rather 

 narrow. 

 Hab. Panama and Gulf of CaUfornia. 



A rather depressed rotundately convex species, of a sea- 

 green hue, neatly painted with gi-een rays and lines. 



Fig. 68. (Mus. Cuming.) 

 This shell proves to be an acuminately spoon-shaped 

 form of P. pica, represented at Plate XIX. Fig. 45. 



January, 1855. 



