Plate 171. 



1. Coming up to the northwest horn of Ailiuglap from the south, showing the wide reef 



flat and reef flat platform lagoon ; Wotja Island in the distance. 



2. Reef flat platform, south shore of Rongelappelab Island, looking west, Rougelab. 



3 Lagoon shore of Rongelappelab Island, looking west, showing beach rock at base of 

 coarse coral sand beach, Rongelab. 



1, 2, W. McM. W. ; 3, A. G. M, Phot. 



