70 Gatliff and Gnhrid : Mtiriae Molhtsca. 



EXPLANATION OF PLATE VII 1. 



Fig. L — Rissoa iravadioides, sp. nov. 

 Fig. 2. — Rissoa janjucensis, sp. nov. 

 Fig. 3. — Rissoa verconis. Tate var. apicilata, var, nov. 

 Fig. i. — Rissoa wilsonensis, sp. nov. 

 Fig. 5. — Rissoa bicolor. Pettei'd. 

 Fig. 6. — Rissoa bicolor, protoconch enlarged. 

 Fig. 7. — Bullinella pygmaea, A. Adams, var. sculpta. var 

 All the figures are variously magnified. 



