EXPLANATION OF PLATE XXXIIL 



Figs, i, la, ib. — Shell and peduncle of Scalpellum {Smi- 

 lium) sinense, Annand. from Burma (X 5). 



The tip of the left tergum was broken in the specimen figured. 



,, 2. — Alepas investigatoris , sp. nov. , from Burma (nat. size), 



,, 3. — Heter alepas (Paralepas) reticulata, sp, nov., on spine 

 of Cidarid sea-urchin from Burma (X 5). 



,, 3^- — '^^^ orifice of one of the same specimens further 

 enlarged (X 16). 



