LOO CHOO MOLLUSKS. 181 



P3AMMOBIID.E. 



Psammobia elongata Lam.* Yaeyama , Oshima. 

 Asaphis violacea Forskal.* Kudaka Is. 

 Asaphis deflorata Linne.* Yaeyama; Kudaka Is. 



TELLINIDJE. 

 Tellina staurella Lam.* 



Yaeyama. Native name, Luna-gai, beach sand-shell. 



Tellina staurella Lam. var. scalaris Lam.* Kobashima Is. 

 Tellina virgata L. var. jubar Hanley.* Yaeyama. 

 Tellina scobinata Linn.* Kudaka Is. 

 Tellina perna Spengler.* Yaeyama. 

 Tellina rugosa Born.* Yaeyama. 

 Tellina chloroleuca Lam.* 



Yaeyama ; Kobashima Is. Native name, Luna-gai, beach sand- 

 shell. 

 Tellina sp.* Ohon-me Is. 



VENEBIDJE. 



Venus reticulata Linn.* Yaeyama. 

 Venus puerpera Linn.* Kobashima Is. ; Katsume-Jima. 

 Venus listeri Gray.* Yaeyama. 

 Cytherea castrensis Linn.* Yaeyama. 

 Cytherea (Crista) gibba Linn.* Yona-Guni. 

 Cytherea (Crista) pectinata Linn.* Kobashima Is. 

 Cyclina sinensis Grnel.* Yaeyama. 

 Tapes literata Linn.* Kudaka Is. 

 Tapes literata var. punctata Chemn.* Kudaka Is. 

 Tapes striata Chemn.* Yaeyama. 



TRIDACNIDJE. 

 Tridacna squamosa Lam. 



Itoma Jima Is. 1 large shell, 13" long, 8" broad, 9" thick. Upon 

 this are are growing 2 Chama (sp. undet). Native name, Aji-gai. 

 Such shells are used in the Loo Choos for making domestic utensils. 

 Tridacna gigas Lam. 



Itomo Jima Is. 1 large shell, 13" long, 9" broad, 81" thick. Na- 

 tive name, Aji-gai. 



