264 Isthmus Barriers Separating Fish Faunas 



C. Japan and Hawaii. 



Genera chiefly confined to these regions 3 



Genera of wide distribiition 79 



Total genera common 82 



Total in both regions 396 



D. Japan and Australia. 



Genera chiefly confined to these regions 13 



Genera of wide distribution (chiefly East In- 

 dian) 122 



Total genera common 135 



Total in both regions 533 



E. Japan and Panama. 



Genera chiefly confined to these regions 2 



Genera of wide distribution . 89 



Total genera common 91 



Total in both regions 499 



F. Japan and tlie West Indies. 



Genera chiefly confined to these regions 5 



Genera of wide distribution 108 



Total genera common 113 



Total in both regions 520 



G. The Mediterranean aitd tlie Red Sea. 



Genera confined to the Suez region o 



Genera of wide distribution (chiefly Indian) ... 40 



Total genera common 40 



Total in both regions 295 



H. West Indies and the Mediterranean. 

 Genera chiefly confined to the equatorial At- 

 lantic jj 



Genera of wide distribution eg 



Total ^Q 



Total in both regions ^.y^ 



