258 Christmas Island. 



Truncatulina lohatula (W. & J.). Several. 



Carpenter ia, sp. Eragmentary. 



Pohjtrema miniacemn (Pallas). Small specimens ; frequent. 



AmpMstegina lessonii, d'Orbigny. Fragmentary ; frequent. 



No. 800. " Immediately below phosphates, east slope of 

 Phosphate Hill, 820 feet." 



A partially dolomitized limestone with good crystals of zoned 

 dolomite and calcite. The matrix contains foraniinifera (unaltered) 

 and plates of echinoderms. 



Foraniinifera : Amp>histegina lessonii, d'Orb. Large and common. 



Limestones from Sea- and Inland Cliffs. 



No. 5. "A rock filling cracks in basalt mass, south of Flying 

 Fish Cove." 



A basaltic and palagonitic breccia, with calcareous fragments and 

 organisms, also bone fragments. (PI. XXI, Fig. 17.) 



Foraminifera : 

 Cristellaria, sp. One specimen. 

 Glohigerina lulloicles, d'Orb. Very common. 

 Carpenteria, sp. Fragments. 



No. 215. Eock on basalt, top of shore cliff, Flying Fish Cove. 



A recent limestone consisting of large Halimeda and encrusting 

 LitJiothamnion ; also foraminifera and polyzoa, cemented by a 

 deposition of travertin, probably resulting from differential currents 

 or hot streams. 



Foraminifera : 

 Textularia rugosa (Reuss). Frequent. 

 Carpenteria^ sp. Fragments. 

 Gypsina inhcerens (Schultze). Frequent. 



No. 862. Foot of first inland cliff, Smith Point. 

 A reef forming limestone, composed of Halimeda, LitJiothamnion, 

 foraminifera, corals, millepores, and echinoderm remains. 



Foraminifera : 

 Orbitolites, sp. 



Gloligerina buHoides, d'Orb. Very rare. 

 I'lanorbulina acervalis, Brady. Eare. 

 Carpenteria monticularis, Carter. Rare. 



