332 A NATURALIST IN THE PACIFIC ch. xxv 



formative power in the Pacific as those with fleshy fruits that would 

 seem much more likely to be dispersed by birds. Here again we 

 obtain an indirect indication that species-making in these islands is 

 not altogether dependent on isolation. 



(9) In the case of the genus Sapindus we are apparently 

 compelled to infer that its large seeds (in the present species an 

 inch in size) have been transported by birds to Hawaii. Yet in 

 point of size the difficulties here raised are no greater than those 

 arising from the existence of such genera as Sideroxylon and 

 Elseocarpus in Hawaii, the fruits of which are known to attract 

 frugivorous birds. 



