586 LINGULIDiE. 



The species of this genus are from the Philippine islands, 

 West Columbia, California, and the Sandwich islands; in 

 some the shells are almost entirely cartilaginous. 



Species of Linyula. 



albicla, Hinds. ovalis, Reeve. 



anatina, Lam. semen, Brod. 



Audebardi, Brod. tumida, Reeve. 

 hians, Swains. 



