LUCINA. 



The golden-apple Lucina. Shell nearly orbicular, 

 broader than high, ventricose, slightly excavated 

 anteriorly, then subrostrate, concentrically very 

 closely sculptured with sharp stria'-like ridges, lu- 

 niUe broadly ovate, concave ; semitransparent-white, 

 brightly stained within with reddish saffron-colour. 



-Plate V. 



Hub. Island of Ticao, Philippines. 



This very delicate and richly-coloured species is dis- 

 tinguished from L. ederdula, to which it is nearest allied, 

 by its conspicuous broadly ovate lunule. 



