PELECYPODA 



39 



No. 



II2b 

 II27 

 II28 



Scientific Names. 



II30 

 TI31 

 II32 



II33, II34 

 II35, II36 

 II37-II4O 



II4I, 1 142 



1 145 



II46, II47 



ir|8 



Chama macerophylla 

 „ reflexa 

 arcinella 



Common Names, 

 Translations, and Remarks. 



1129 Cardita Cumingi 



incrassata 

 gubernaculum 



Tridacna gigas 



,, squamosa 

 ,, rudis 

 Hippopus maculatus 



Unio luteolus 

 „ alatus 

 ,, compressus 

 ,, cceruleus 



Hyria avicularis 



Attached to a Perna 

 Reflexed Chama 

 Little archer Chama 



The Chamoelive attached 

 to rocks, corals, and other 

 shells, from which they 

 cannot move. Some 

 species (particularly C. 

 arcinella) habitually at- 

 tach themselves to such 

 Gastropoda as Aficrex, 

 by which they are carried 

 about. 



Cuming's Cardita 

 Thickened „ 

 Rudder „ 



Giant clam 



Habitats. 



L. Land. 

 F. Fresh- 

 water. 

 M. Marine. 



West Indies 

 Indian Ocean 

 West Indies 



Red Sea 

 Indian Ocean 



Philippines 



M. 



F. 



