260 Christmas Island. 



No. 525. Eock which forms knolls on basalt, near streams, east 

 coast. 



A limestone with included particles of basalt and strings of 

 palagonitic matter. With Lithothamnion, foraminifera, echinoderm 

 fragments, and polyzoa. 



Foraminifera : 

 Textularia rugosa (Eeuss). Eare. 

 Truncatulina lohatula (W. & J.). Frequent. 

 Rotalia schroeteriana, P. & J. Yery abundant. 



No. 859. At foot of first inland cliff at Steep Point. 



A limestone with much secondary calcareous crystallization 

 (aragonitic). The rock was originally partially or mainly organic, 

 but only traces of organisms now remain, of Lithothamnion and 

 foraminifera. 



Foraminifera : Seterostegina depressa, d'Orb. Fragments. 



No. 1,002. First inland cliff, south of Steep Point. 



This is a much brecciated rock containing algae, foraminifera, 

 corals, and echinoderm fragments. It is cemented by granular and 

 clear calcareous matter. A talus rock. 



Foraminifera : 

 AheoUna melo (Fichtel & Moll). One specimen. 

 Discorhina, sp. 



Carpenteria utricularis, Carter. Fragments numerous. 

 Polytrema miniaceum (Pallas), var. involva^ Chapman, encrusting 

 a cemented brecciated fragment. 



Amphistegina lessonii, d'Orbigny. Yery rare. 



No. 1,005. First inland cliff, south of Steep Point, 250 feet. 

 A reef -limestone with Lithothamnion, millepores, and foraminifera. 



Foraminifera : 

 Carpenteria utricularis, Carter. Abundant. 

 Amphistegina lessonii, d'Orb. Common. 

 Jleterosfegina depressa, d'Orb. Eare. 



No. 1,006. '^ First inland cliff, south of Steep Point, 250 feet." 

 A limestone showing evidence of disturbance ; a rift in the rock 

 is filled in with palagonitic mud and aragonite. It contains 

 Lithothamnion, foraminifera, and lamellibranch shells. 



