( 28 ) 
No. of 
Species 
GENERA. 
Species found 
both living and 
fossil (tertiary). 
Species found 
fossil in more than 
one tertiary 
formation. 
Habitations of 
living Species. 
PLIOCENE PERIOD. 
Various 
Localities. 
Cerithium,coM< 
Triforis . 
Pleurotoma 
tricinctura . 
margaritaceum 
comigatum . 
inconstaiis . 
papaveraceum 
crenatum . . 
pictum . . . 
alucaster 
Mediterr. 
multisulcatum 
new species . 
granulosum 
bicinctum . 
mversum 
Mediterr. 
Mediterr. 
• • • 
new species 
new species 
salrao . . 
pupeeforme 
intorta . . 
cataphracta 
rustica . . 
oblonga . 
new species 
new species 
interrupta 
rotata . . 
reticulata . 
Cordieri . 
caumarmondi 
vulpecula . 
craticulata 
new species 
Mediterr. 
ibid. . 
ibid. . 
ibid. . 
ibid. . 
tuberculosa 
denticula . 
B or semi . 
new species 
turella . . 
pustulosa . 
plicata . . 
new species 
new species 
