C 10 ) 
GENEEA. 
No. of 
Species 
Species found 
both living and 
fossil (tertiary). 
Species found 
fossil in more than 
one tertiary 
formation. 
Habitations of 
lis'ing Species. 
PLIOCENE PERIOD. 
Various 
Localities. 
Hiatella 
Isocardia 
Cucullaea 
Area 
Pectunculus 
Nucula 
Trigonia 
Castalia 
Unio , . 
27 
2.3 
cor 
semitorta 
Noaa. . 
tetragona . 
umbonata . . 
barbata . . 
Magellanica 
Helbingii. . 
antiquata . . 
rbombea . . 
clatlirata . . 
new species . 
Gaymardi . 
Quoyi . . . 
glycimeris 
pilosus . . 
violacescens , 
nummanus 
margaritacea 
Pella. . . 
emarginata 
new species 
• i » 
European Ocean 
new species 
NewHolland, L 
Mediterr. 
Indian Ocean 
ibid. ibid. 
Jamaica, Senegal 
European Ocean, 
Senegal 
Magellan . . , 
Afr. Oc. Senegal 
Ind. & Afr. Oc. 
Mediterr. 
Indian Ocean . 
Unknown . . . 
Mediterr. 
ibid. . . 
ibid. . . 
new species 
biangula . 
punctifera . 
quadrilatera 
barbatula . 
new species 
Mcditer. Europ. Ocean 
ibid. ibid. . 
Northern Europe 
Mediterr. . . 
pulvinatus . 
terebratularis 
angusticostatus 
cor .... 
new species 
dispar 
Mediterr. 
• • • » a 
European Ocean 
Mediterr. . . 
ibid. . . , 
ibid. . . . 
ovata . 
Maryland ?! 
Salles? . 
Perpignan 
[Perpignan:? 
I Morea 1 
. • ft H . 
Perpignan, 
Morea 
• * • 
• • « • 
