OF MEEGTJI AND ITS AKCHIPELAGO. 



201 



e. BIVALVIA. 



Anomiid.2B. 



265. Anomia pleniltjnium, Beeve, Conch. Icon. xi. pi. i. fig. 2. 

 King Island. Borneo. 



266. Placuna sella, L., Bumph. Arrib. Bar. pi. 47. fig. B ; 

 Chemnitz, Conch -Cab. viii. fig. 714 ; Beeve, I. c. xviii. pi. i. fig. 1. 



Dark purple, twisted. 



King Island, in mud at low water at spring-tide. Sin- 

 gapore. 



267. Placuna papteacea, Lam., Chemnitz, viii. fig. 715 ; Beeve, 

 Conch. Icon, xviii. pi. ii. figs. 2 b, c. 



Placenta quadrangularis, Retz. 

 Purple-rayed, flat. 



King Island. Philippines, Australia. 



268. Placuna placenta, L., Chemnitz, viii. fig. 716 ; Beeve, 

 Conch. Icon, xviii. pi. iii. fig. 3d. 



Placenta orbicularis, Retz. 

 Orbicular, flat, white. 



King Island; Elphinstone Island; Sullivan Island. Ceylon, 

 Singapore, Philippines, China, North Australia. 



Ostbelm. 



269. Osteea sinensis, Gmelin, Chemnitz, Conch.-Cab. viii. 

 fig. 668 ; Beeve, Conch. Icon, xviii. pi. iii. fig. 5. 



A large dark-coloured specimen, 200 millim. long, 150 millim. 

 broad. 



Elphinstone Island ; King Island. China Sea. 



270. Osteea peemollis, Sow., Beeve, I. c. xviii. pi. x. fig. 18 ? 

 King Island Bay ; specimen fixed on Pinna vexillum. 



271. Osteea (Alecteyonia) tuebtnata, Lam., Beeve, I. c. 

 xviii. pi. xiv. fig. 29. 



King Island ; Sullivan Island. Bed Sea, Mozambique. 



272. Osteea ceenulieeea, Sow., Beeve, I. c. xviii. pi. xxvii. 

 fig. 67. 



Mergui. Bed Sea. 



The species nos. 60-64, pp. 172-173, may be referred to here ; 

 and also Ostrea cucullata, Born, may be mentioned, as it occurs 

 in the collection from truly marine localities, attached to the 

 shells of a number of different species. 



