SHELLS OF SOUTH AMERICA. 53 
448. PATELLA ARAuCANA, d’Orb. Voy. v. 482. t. 65. 
f. 4-6. B.M. 
Valparaiso. . 
Patella Pretrei, P. parasitica, P. Araucana, and P. Ceciliana 
are only varieties of P. zebrina, dependent on the locality and 
form of the body to which they are attached, and the abundance 
or scarcity of the food within their reach. They are Patelle, 
and not Lottie. 
449, 
450. 
451. 
452. 
453. 
454. 
455. 
456. 
PATELLA MAXIMA, d@’Orb. Voy. v. 482. B.M. 
Peru; Payta. 
PATELLA CrEcILIANA, d’Orb. Voy. v. 482. t. 81. 
f. 4-6. B.M. 
Falkland Islands. 
Fam. 22. CHITONIDA. 
CuHITON PEeruviaNnus, Lamk., d’Orb. Voy. v. 483. B.M. 
Peru. 
CHITON SCABRICULUS, Sow., d’Orb. Voy. v. 483. B.M. 
Peru. 
CHITON TUBERCULIFERUS, Sow., d’Orb. Voy. v. 
483. ?B.M. 
Chiton spiniferus, Frembly. 
Chili; Bolivia; Peru. 
CHITON HIRUNDINIFORMIS, Sow., d’Orb. Voy. v. 
484. B.M. 
Peru. 
CHITON OLIVACEUS, Sow., d’Orb. Voy. v. 484. B.M. 
Chiton magnificus, Desh. 
Chili. 
Cuiron CoquimMBENsIs, Frembly, d’Orb. Voy. v. 
485. B.M. 
Chili; Bolivia; Peru. 
