Percy Stapen Trust Kxprpirion. TRANS. LINN. SOC. SER. 2 ZOOL. VOL. XII. Pl. 8. 
= 
Fic. 1.—Reef of east side at low tide looking seaward. Note boulder-zone with 
inner and outer flats and line of breakers. 
Fic. 2.—Shore and inner flat looking south (taken from same spot as Fig. 1). 
DIEGO GARCIA ATOLL. 
