Plate 40. 



1. Vegetation of land rim, lagoon side of Apataki. C. H. T.. Phot. 



2. Boulder beach outside of channel leading to central .sink of Tikei. 



3. AVest shore of Tikei, south end of high coral .sand beacli. 



i. West shore of Tikei, north cud of high coral saud Itcach. 



2-4, W. lIcM. W., Phot. 



