PATELLA. 



Plate XXV. 



Species 63. (Fig. a, b, c, Mus. Cuming.) 



Patella vakiabilis. Pat. testa ovatd, depressissimd, irre- 

 gulari, extns rude liratd et plus minus erosd, iuterdum 

 virescente, pmictis nigris midatis radiatd ; iiitus cceru- 

 lescente, medio castaiwo-tinctd, pecuUariter varie li- 

 neatd et lentiginosd, margine late planulato, interrupte 

 lineato. 



The variable Limpet. Shell ovate, very depressed, 

 irregular, externally rudely ridged, and more or less 

 eroded, sometimes greenish, rayed with waved black 

 dots ; interior bluish, sometimes stained with chest- 

 nut in the middle, peculiarly variously lineated and 

 speckled, margin broadly flattened, interruptedly li- 

 neated. 



SowERBY, Zool. Beechey's Voyage, p. 147. pi. 39. f. 5 

 (not f. 3 or f. 4). 



Hab. Valpai'aiso ; Cuming. 



This species is very depressed and irregular, peculiarly 

 marked in the interior with dark promiscuous lines, or 

 chestnut curiously speckled with yellow. 



Species 64. (Mus. Cuming.) 



Patella mokbida. Pat. testdovatd, rude depressd, medio 

 rotundato-elevatd, radiatim fimbriato-costatd, plus mi- 

 nus erosd, liris obsolete brevispinosis ; intus luteo-albd, 

 nigro plus minus irregulariter inquiiiatd, extus ferru- 

 giiieo-erosd. 



The diseased Limpet. ShcU ovate, rudely depressed, 

 rotundately raised in the middle, radiately fimbri- 

 ately ridged, more or less eroded, ridges obsoletely 



short-spined ; interior yellowish-white, more or less 

 irregularly stained with black, exteriorly rust-eroded. 

 Ilah. Cape of Good Hope. 



Of a characteristic depressly furbelowed growth round 

 the margin, the radiating ridges armed here and there 

 with short sharp black and white spines. Exteriorly the 

 shell is roughly rust-eroded, interiorly it has a pecidiarly 

 diseased look. 



Species 65. (Mus. Cuming.) 



Patella zebkina. Pat. testa ovatd, atitice subattenuatd, 

 apice acute elevato et antice inclinato, radiatim costatd, 

 costis obtusis, distantibtis, subindistinctis, striis rugosis 

 concentricis dense decussaiis ; virescente-luted, maculis 

 nigris acute angulatis ornatd, intus virescente-albd, 

 margine maculatd. 



The zebea-marked Limpet. Shell ovate, slightly at- 

 tenuated in front, apex sharply raised and inclined 

 anteriorly, radiately ribbed, ribs obtuse, distant, 

 rather indistinct, densely decussated with close-set 

 rough stricB ; greenish - yellow, ornamented with 

 sharply angled black spots, interior greenish-white, 

 spotted at the margin. 



Lesson, Zool. Voy. de la Coquille, p. 417. 

 Lottia zebrina. Gray. 

 Patella variabilis pars, Sowerby. 



Hab. Valparaiso. 



This and P. variabilis are supposed to be the same 

 species in different states; they are, however, most distinct 

 in form, and detail of sculpture. 



January, 1855. 



