238 



CEYLON PEARL OYSTER REPORT. 



Cymbalopora poeyi (D'ORB.). 



Occurs rarely at Stat. LVL, and also off Trincomalee previously recorded from 

 Indian seas (2). 



* 

 Discorbina rosacea (D'ORB.). 



Occurs frequently at Stats. LVIII. and LXIV. This has been recorded from 

 Indian seas (2). 



Discorbina orbicularis (TERQUEM). 



Of common occurrence at Stats. LVIL, LXIV., and LXVIIL, in the Gulf of 

 Manaar. This is a new record for Indian seas. 



Discorbina bertheloti, var. baconica, HANTK. 



Found sparingly in deposits from Stats. LVIL and LVL, and, like the last, is a new 

 record for Indian seas. 



Discorbina patelliformis, BRADY. 

 Found rarely in the Gulf of Manaar. It has been already recorded from Ceylon (1). 



Discorbina saulcii (D'ORB.). 

 Occurs rarely in the Gulf of Manaar a new record for Indian seas. 



Discorbina vilardeboana (D'ORB.). 



This occurs very rarely in the Gulf of Manaar, and is probably a variety of 

 D. rosacea. It is a new record for Indian seas. 



Truncatulina ungeriana (D'ORB.). 



Of rare occurrence in the deposits from the Gulf of Manaar previously recorded 

 from Indian seas (2). 



Trnncatulina rostrata, BRADY. 



Occurs rarely in deposits from Stat. LVIII. in the Gulf of Manaar a new record 

 for Indian seas. 



Truncatulina lobatula (WALTER and JACOB). 



This species is very rare in the deposit from Stat. LXVIIL already recorded from 

 the Indian seas (2). 



Truncatulina tenera, BRADY. 



This species occurs somewhat frequently in the Gulf of Manaar. It is also a new 

 record for Indian seas. 



