254 Christmas Island. 



Teetiaey Limestones fb,03i Other Localities. 



No. 347. "High Cliff, Sidney's Dale," soutli edge of nari'ow 

 gorge, 250 feet above sea. 



A somewliat reconstructed limestone (brecciated), with, many- 

 adherent foraminifera. Probably of Upper Eocene or Oligocene 

 age, approaching No. 2, described above, p. 226. 



. Foraminifera ; 



PlmiorhuUna larvata, P. & J. Intergrown with LithotJiamnion. 



Carjpenteria utricularis ?, Carter. Several. 



Rupertia stahilts, "Wallich. Four specimens attached to fragments 

 of limestone coated with LithotJimmiion. (PL XXI, Fig. 11.) 



Fidvinulina repanda (F. & M.). Common. 



Rotalia schroeteriana, P. & J. Frequent. 



Gypsina gloliilus (Reuss). Very fine. Common. 



Amplmtegina lessoniij d'Orbigny-. Rare. 



Orlitoides dispansa (Sow.). One specimen. 



No. 318. Between basalt and limestone, Sidney's Dale. 



A limestone with many organisms. The rock is somewhat 

 decomposed and stained with a limonitic substance. The organic 

 constituents are LithotJiamnion and many foraminifera. 



Foraminifera : 

 Puhinulina repanda (F. & M.). Frequent. 

 Rotalia schroeteriana, P. & J. Frequent. 

 Seterostegina dep)ressa, d'Orb. Pare. 



Orhitoides {JDiscocyclina) dispansa (Sow.). Frequent. [One 

 fragment shows the structure of the median chambers.] 



No. 835. A limestone composed chiefly of Orhitoides, but in 

 which traces of corals occur in places. There are also fragments 

 of a branching Lithothamnion present. South of Flying Fish Cove, 

 at 550 feet. 



Foraminifera : 

 Miliolina, spp. 

 Planoriulina larvata, P. & J. Pare. 



,, mediterranensis, d'Orbigny. Rare. 



Carpenteria monticularis, Carter. Large fragments. 



,, utricularis, Carter. Large fragments. 



Amphistegina lessonii, d'Orbigny. Frequent. 

 Seterostegina depressa, d'Orbigny. Rare. 



Orlitoides {Lepidocyclina) insulce-natalis, sp. nov., var. inaquaUs, 

 nov. (PI. XXI, Fig. 12.) 



