150 



most frequently smooth. Lamarck does not mention , 

 that in some species the longitudinal ribs, radiating from 

 the summit, are continued far beyond the edge of the 

 margin, and appear like the rays of a star. One species 

 of the Patella attains an enormous size for shells of this 

 genus, the writer having seen an example which mea- 

 sured six inches. 



Patella apicina 



Patella Safiana 



granatina 



testudinaria 



oculus 



cochlear 



barbara 



compressa 



plicata 



granularis 



laciniosa 



deaurata 



sacchariua 



Magellanica 



angulosa 



stellifera 



barbata 



vulgata 



longicosta 



mammillaris 



spinifera 



lineata 



aspera 



leucopleura 



luteola 



notata 



pyramidata 



Tarentina 



umbella 



punctata 



plumbea 



puncturata 



caerulea 



Javanica 



radians 



tuberculifera 



icutellaris 



miniate 



