Percy Sirapen Tkusy Expepitron, 
TRANS. LINN. SOC. SER. 2, ZOOL. VOL. 
Fic. 1.—Reef looking seaward between Gabrielle (left) 
and Monpatre (right). 
Fic. 2.—Coral-rock and seaward reef of Anglaise at low tide. 
PEROS BANHOS ATOLL. 
XII. 
