240 CEYLON PEARL OYSTER REPORT. 



Planorbulina larvata, PARKER and JONES. 



Occurs sparingly at Stats. LXIV. and LVII. It has been recorded from Indian 



seas previously (2). 



.- 

 Planorbulina mediterranensis, D'ORB. 



This is of rare occurrence at Stats. LXVIII. and LYIII. a new record for Indian 

 seas ; recorded previously from Mauritius (5). 



Gypsina inhaerens (SCHULTZE). 



Occurs rarely at Stat. LVII. This is a new record for Indian seas ; recorded from 

 islands south of New Guinea and from the European coast (1). 



Carpenteria utricularis, CARTER. 



Occurs on calcareous Algse from the Gulf of Manaar and also off Galle. Recorded 

 previously from the Gulf of Manaar (7). 



Polytrema miniaceum, LINN. Plate, fig. 12. 



Of very frequent occurrence, and forming at Stat. LXVIII. quite a large proportion 

 of the foraminifera. Also found at Stats. LVL, LVII., LVIIL, and LXIV. A fine 

 specimen is figured. Recorded previously from Ceylon (CARTER, 7). 



Polytrema miniaceum, var. alba, CARTER. 



Of rare occurrence in deposits from Stat. L VIII. recorded previously from Gulf of 

 Manaar by CARTER. 



FAMILY: NUMMULINID^E. 



Nonionina boueana, D'ORB. 



Of very rare occurrence, from stations in the Gulf of Manaar. This is the first 

 record for Indian seas ; previously recorded from the Red Sea (1) and Mauritius (5). 



Polystomella crispa (LiNN.). 



Very common in all the deposits examined from Stats. LVIIL, LVL, LVII., 

 LXIV. and LXVIII., also from Trincomalee, Welligam Bay and Galle previously 

 recorded from Indian seas (2). 



Polystomella craticulata (FICHTEL and MOLL). 



Of very rare occurrence at Stat. LVII. This is the first record for Indian seas ; 

 recorded already from Mauritius (5) and Red Sea (1). 



Amphistegina lessonii, D'ORB. Plate, fig. 13. 



This is extremely abundant in all the deposits, and forms about 25 per cent, 

 by weight and volume of the deposit from a haul at Stat. LXIV. Its surface 



