264 Christmas Island. 



Foraminifera : 

 Textularia rugosa (Reuss). Yery rare. 

 Globigerina huUoides, d'Orb. JSTumerous and well preserved. 

 Carpenteria monticularis, Carter. Numerous fragments. 



No. 1.032. "Top of Zigzag, 280-300 feet." A limestone 

 composed of calcareous algae and foraminifera, with a crystalline 

 calcitic cement, but in places amorphous or muddy. The organic 

 contents are Lithothamnion, Salimeda, foraminifera, corals, echino- 

 derm plates and spines, polyzoa, and lamellibranch shells. 



Foraminifera : 

 ? SpiroloGulina, sp. 

 Globigerina hulloides, d'Orb. Frequent. 

 Carpenteria, sp. near monticularis, Carter. Fragments. 

 Carpenteria proteiformis, Goes. One specimen. 

 Poh/trema miniaceum (Pallas). Frequent. 

 Polgtrema miniaceum, var. involva, Chapman. Frequent. 



List of Species of Orhitoides. 



The species of Orhitoides found in the Tertiary rocks of 

 Christmas Island, Indian Ocean, with their distribution : — 



/ Java, Sumatra, India (Scinde), 



1. Orhitoides {Discocyclina) \ Persia, Bavarian Alps, Italy, 



dispansa {^oyfevbj). \ Spain, South of France, Antigua, 



V Jamaica, St. Thomas. 



2. 0. {Lepidocyclina) neodispansa, sp. nov. Christmas Island. 



3. 0. (X.) verheeki, Newton & Holland. Sumatra, Borneo. 



4. 0. (Z.) ephippioides, sp. nov. Christmas Island. 



5. 0. (Z.) insulcB-natalis, sp. nov. Christmas Island. 



6. 0. (Z.) insul(2-natalis, var. ineequalis, var. nov. 



7. 0. (Z.) sumatrensis, Brady. Sumatra, Borneo. 



8. 0. (Z.) andrewsiana, sp. nov. Christmas Island. 



9. 0. (Z.) murrayana, sp. nov. Christmas Island. 



