52 
Species. 
Brought over . . . . 194 
In the Equatorial Seas of America, 2 of which are common to the 
Indian Ocean . . . . . .7 
In the Pacific Ocean . . . . .2 
203 
Number common to different localities 27 
176 
Eocene Epoch, 42 species, of which 26 are common to the 
two preceding epochs. 
In the Mediterranean, 5 of which are common to India and New 
Holland ...... 19 
In the Indian Ccean . . . . . 7 
In New Holland . . . . . . 3 
In Senegal ....... 3 
32 
Of the fluviatile and terrestrial species, 5 are still living in Europe, 
1 in the Philippine Islands, and 4 in Asia, Spain and Greece 1 0 
