252 Christmas Island. 



bent individuals arc, as one would suppose, nearer the parallel types 

 0. painjracea and 0. verheehi. 

 Average length ^ inch (12-5 mm.). Common in No. 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 Lithotlt amnion and 

 shell fragments. This limestone is mottled with veins and patches 

 of a grey colour. 



Foraminifcra : 

 Glohigerina lulloides, d'Orb. Eare. 

 Gypsina glolulus (Reuss). Frequent. 

 Heterostegina depressa, d'Orb. Common. 

 Orhitoides sumafrensin, Brady. Very abundant. 



,, verleehi, Newton & Holland. Eare. 



,, i7isiil(B-nataUs, 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 : 

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

 Miliolina ? auberiana, d'Orb. Eare. 



„ trigonula (Lam.). Eare. 



,, circularis (Born.). Eare. 



,, alveoliniformis, Brady. Several. 

 Orbitolites duplex, Carpenter. Several fi'agments. 

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

 Textularia rugosa (Ecuss). Numerous. 

 Discorbina, sp. Eare. 



Carpenteria monticidaris, Carter. Fragments. 

 Gypsina inhairens (Schultze). Often growing in alternation with 

 Lithothamnion, forming nodules. 



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

 Heterostegina dejjressa, d'Orbigny. Numerous, but usually 

 fragmentary. 



Orbitoides {^Lepidocyclina) neodispansa, sp. nov. Eare. 



,, ,, verbeeki, Newton & Holland. Eare. 



,, ,, ephippioides, sp. nov. Frequent. 



,, ,, sumatrensis, Brady. Very common. 



,, ,, miirrayana, sp. nov. (PI. XXI, 



Fig. 10.) 



