252 Christmas Island. 



hent inclivicluals arc, as one would suppose, nearer the parallel types 

 0. paprjracea and 0. verheehi. 

 Average length ^ inch (12-5 mm.). Common in IS'o. 549. 



No. 993. Above Coffee Garden (see map, p. 280), in talus at 

 200 feet. 



An Orbitoidal limestone with very little interstitial material, the 

 greater part consisting of foraminifcra. Some Lithoth amnion and 

 shell fragTucnts. This limestone is mottled with veins and patches 

 of a grej' colour. 



Foraminif era : 

 Glohigerina hulloides, d'Orb. Eare. 

 Gypsina glohulus (E.euss). Frequent. 

 Heterostegina depressa, d'Orb. Common. 

 Orhitoides siimatrensis, Brady. Very abundant. 



,, verheehi, Newton & Holland. Eare. 



,, insulce-natalis, sp. nov. 



,, ephippioides, sp. nov. 



No. 968. Foot of first inland cliff, Smith Point, about 60 feet 

 above sea, 



A limestone partially crystalline. It is largely composed of 

 foraminifcra, especially of the genus Orhitoides, and the alga 

 Lithothamnion. 



Foraminifcra : 

 Spiroloculifia, sp. near S. nitida, d'Orbigny. Eare. 

 Miliolina ? auberiana, d'Orb. Eare. 



J, trigonula (Lam.). Eare. 



,, circular is (Born.). Eare. 



,, alveoliniformis, Brady. Several. 

 Orhitolites duplex, Carpenter. Several fi'agments. 

 Alveolina melo (F. & M.). Very rare. 

 Textvlaria rugosa (Eeuss). Numerous. 

 Discorhina, sp. Eare. 



Carpenteria monticidaris, Carter. Fragments. 

 Gypsina inhcerens (Schultze). Often growing in alternation with 

 Litlwthamnion, forming nodules. 



Amphistegina lessonii, d'Orbigny. Frequent, but small. 

 Heterostegina depressa, d'Orbigny. Numerous, but usually 

 fragmentary. 



Orhitoides {Lepidocyclina) neodispansa, sp. nov. Eare. 



,, ,, verheehi, Newton & Holland. Eare. 



,, ,, cpldppioides, sp. nov. Frequent. 



,, ,, siimatrensis, Brady. Very common. 



,, ,, murrayana, sp. nov. (PI. XXI, 



Fig. 10.) 



