Foraminiferal Limestones. 241 



PlanorhuUna, sp. Frequent. 

 Truncatulina lohatula (W, & J.). E-are. 

 Polytrema miniaceum (Pallas). [N'umerous fragments. 

 Amphistegina lessonii, cl'Orb. Rare. 



No. 698. Flying Fish Cove (Batoe nierah^), above 595 and 

 below 841. 



An organic limestone with some secondary calcareous (aragonitic) 

 layers. The organic contents are Lithothammon, foraminifera, 

 echinoderm remains, and polyzoa. 



Foraminifera : 



Textularia rugosa (Reuss). Rare. 



Carpenteria utricularis, Carter. Frequent. 



Rotalia scliroeteriana^ P. & J". Frequent. 



Amphistegina lessonii^ d'Orb. (thickened form). Frequent. 



Heterostegina depressa, d'Orb. Common. 



The next specimen to be described is No. 845, which comes 

 from the southern end of Flying Fish Cove. It is a yellowish 

 limestone composed very largely of massive Lithothamnion. 



In the interstitial portion of the rock the following foraminifera 

 were detected. 



Planorhulina Im'vata, P. & J. 



A few specimens of a flat adherent form referable to the above 

 species. 



Planorhulina acervalis, Brady. 



Some of the adherent planorbuline forms are meandering and 

 thin or much depressed, and resemble P. acervalis in all their 

 characters. 



Gypsina mhcerens? (Schultze). 



One or two of the adherent specimens are of wandering habit, 

 and the chambers are large and inflated. They possibly belong 

 to the above species. 



Heterostegina depressa, d'Orbigny. 



Our section shows one solitary example of this species cut 

 through somewhat obliquely. The specimen is a rather large 

 example of this form. 



1 See p. 277. 



