Plate 172. 



RONGELAB, 



1. Sand beach with beach rock and wide reef flat platform on the south shore of Rou- 



gelappelab Island, looking west. W. McM. W., Phot. 



2. Sand beach with beach rock on lagoon face of Rongelappelab Island, looking west, 



with belt of characteristic Marshall Island vegetation on the summit of the beach. 



A. G. M,, Phot. 



