PATELLA. 



Plate XL. 



Species 130. (Mus. Cuming.) 



Patella navicula. Pat. testa omtd, elevaio-conoided, 

 crassiusculd, apice subcenfrali, radiatim Uratd, Uris 

 nutnerosis, prommentibus, versus marffii/em obsolete i/ra- 

 nulatis, hderstitiis lira minore gramdatd ; nigricante- 

 cinered, Uris albidis, intus medio castaned. 



The little boat Limpet. Shell ovate, elevately conoid, 

 ratlier thick, apex nearly central, radiately ridged, 

 ridges numerous, prominent, obsoletely granuled to- 

 wards the margin, interstices with a smaller granuled 

 ridge ; blackish-ash, ridges wbite, interior chestnut 

 in the middle. 



Hab. Mazatlan ; Lieut. Shipley, E.N. 



The ridges of this little high conical shell have a promi- 

 nent wrinkle-like appearance. 



Species 131. (Mus. Cuming.) 



Patella canthakus. Fat. testa ovatd, tenuiculd, con- 

 vexd, apice valde antico, aciito, imcmato, Icecigatd ; 

 nigrd, albo irregidariter maculatd, intiis nigricante- 

 eastaned. 



The beetle Limpet. Shell ovate, rather thin, convex, 

 apex very anterior, sharp, hooked, smooth ; black, 

 irregulai'ly blotched with white, interior blackish- 

 chestnut. 



Hab. New Zealand ; Earl. 



Very characteristic in form and colouring, the apex 

 being sharply hooked and bent over to the anterior mar- 

 gin, whilst the surface is smooth, promiscuously mottled 

 with white blotches upon a black ground. 



Species 132. (Mus. Cuming.) 



Patella cokkugata. Pat. testa obloiigo-ovata, valde 

 depressd, subirregidari, radiatim, costatd, costis per- 

 paucis, distautibits, obtiisis, corrugatis, apice plus ird- 

 nus eroso ; albidd., costarum interstitiis circa apicem 

 nigris, i/itiis medio castaned. 



The shrivelled Limpet. Shell oblong-ovate, very de- 

 pressed, rather irregular, radiately ribbed, ribs very 



few, distant, obtuse, wrinkled, apex more or less 

 eroded; whitish, interstices between the ribs black 

 round the apex, interior chestnut in the middle. 

 Hab. Acapulco. 



A depressly flattened oblong species, of irregular growth, 

 rudely sculptured with a few widely distant obtuse ribs, 

 that give the shell a peculiar shrivelled appearance. 



Species 133. (Mus. Cuming.) 



Patella plana. Pat. testa rotmulato-ovatd, valde de- 

 pressd, plana, irregulari, apice subcenfrali, vix elevalo, 

 radiatim rude sulcatd, Uris intermediis valde irregu- 

 laribus, coirugatis, vei'sus marginem pitstulatis ; al- 

 bidd, sulcis carideo-nigro tinctis. 



The flat Limpet. Shell rotundately ovate, very de- 

 pressed. Hat, irregular, apex nearly central, scarcely 

 raised, radiately rudely grooved, intermediate ridges 

 very irregular, wrinkled, pustuled towards the mar- 

 gin ; whitish, grooves stained with blue-black. 



PniLiPPi, Abbild. und Besch. Conch. Patella, pi. 3. f. 3. 



Hab. Valparaiso. 



A very characteristic rudely flattened species, very irre- 

 gularly wrinkled, ridged, and pustuled. 



Species 134. (Mus. Cuming.) 



Patella melanoledca. Pat. testd ovatd, elevato-co- 

 noidea, crassiusaild, apice subcentrali, radiatim Uratd, 

 Uris plus mitms obsoletis, obscure granulatis ; nigrd, 

 albo variegatd, intus albd, medio intense castaned. 



The pied Limpet. Shell ovate, elevately conoid, rather 

 thick, apex nearly central, radiately ridged, ridges 

 more or less obsolete, obscurely granulated ; black, 

 variegated with white, interior white, dark chestnut 

 in the middle. 



Gmelin, Syst. Nat. 13th edit. 



Hab. ? 



A deep conical shell, of rather stout substance, faintly 

 grain-striated, pied with black and white. 



March, 1855. 



