SHELLS OF SOUTH AMERICA. 4] 
356. PuRPURA H#MASTOMA, Lamk., d’Orb. Voy. v. 
435. B.M. 
Buccinum hemastoma, Linn. 
Brazils. 
357. Purpura cHocoLaTA, Blainv., d’Orb. Voy. v. 
436.t. 61. f. 1-3. B.M. 
Peru; Bolivia. 
Young shell white, very unlike the adult. 
358. PuRPURA XANTHOSTOMA, Brod., d’Orb. Voy. v. 
437. B.M. 
Chili. 
This is a species of Rapana, and exceedingly variable in thick- 
ness and form. 
359. PuRPURA SCALARIFORMIS, Lamk., d’Orb. Voy. 
vw! 45; « 
Guayaquil. 
360. PurPuRA CONCHOLEPAS, d’Orb. Voy. v. 437. t. 61. 
f.5-7. B.M. 
Concholepas, Chemn. 
Buccinum concholepas, Gmelin. 
Patella lepas, Gmelin, 
Concholepas Peruvianus, Lamk. 
Purpura pileopsis, Blainv. 
Peru. 
361. PurpuRA CAssIDIFoRMIS, Blainv., d@ Orb. Voy. v. 
438. B.M. 
Peru; Payta. 
362. PurpuRA CALLAOENSIS, Gray (??), d’Orb. Voy. 
y. 439. B.M. 
Peru; Callao. 
363. PurpuRA DELEssERTIANA, d’Orb. Voy. v. 439. 
topes t: 7. B.M. 
Perw; Payta. 
