356 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
Nive (Savage Island). This island is intermediate in position be- 
tween the Fiji and Tonga Groups. It contains three raised terraces at 
about 80 ft., 100 ft., and 200 ft., respectively, which are composed of 
coral rock dipping at 6° to 10°. Banks of coral débris, bedded, and 
dipping seawards at about 40°, form the foundations of the terraces. 
Fic. 5. Singatoka, 268 ft. Amphistegina lessonii d’Orb, X 85. The organism is 
of a pale straw-yellow color. 
315, No. 3, ht. 18 ft. This rock is very fresh and the organisms well 
preserved, though fragmentary. Lithothamnion, echinoderms, Mollusca, 
and the spicules of tunicates occur. 
Foraminifera : CARPENTERIA. 
POLYTREMA MINIACEUM Pallas, sp. 
GYPSINA. 
Fie. 6. Niue, 53 ft. Halimeda, X about 50. 
310, No. 9, ht. 53 ft. Halimeda and alcyonarian spicules abundant. 
Lithothamnion and tunicates are present. 
