254 Christmas Island. 



Teetiaey Limestones feom Other Localities. 



No. 347. "High Cliff, Sidney's Dale," south edge of narrow 

 gorge, 250 feet above sea. 



A somewhat reconstructed limestone (brecciated), with many- 

 adherent foraminifera. Probably of Upper Eocene or Oligocene 

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



Foraminifera : 

 Planorlulma larvata, P. & J. Intergrown with Lithothamnion. 

 Carpenteria utriciilaris ?, Carter. Several. 



Rupertia stahi'h's, Wallich. Four specimens attached to fragments 

 of limestone coated with Lithothamnion. (PI. XXI, Fig. 11.) 

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

 Rotalia schroeteriana, P. & J. Frequent. 

 Gypsiyia glohulus (Peuss). Very fine. Common. 

 Amphistegina lessoiiii^ d'Orbigny. Pare. 

 Orhitoides 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 Lithothamnion and many foraminifera. 



Foraminifera : 

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

 Rotalia schroeteriana, P. & J. Frequent. 

 ILeterostegina depresm^ d'Orb. Hare. 



Orhitoides (Liscocgclina) 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 : 

 MilioUna, spp. 

 Planorhiili7ia larvata, P. & J. Rare. 



„ mediterranensis, d'Orbigny. Pare. 



Carpenteria monticiilaris, Carter. Large fragments. 



,, utricularis, Carter. Large fragments. 



Amphistegina lessonii, d'Orbigny. Frequent. 

 Heterostegina depressa, d'Orbigny. Pare. 



Orhitoides {Lepidocyclina) insiila-natalis, sp. nov., var. inaqualis, 

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



