Plate I. 
Page 
1— 2. Anomia sol, Reeve.......... RAG rit st atte oc : : ed: 10 
3— 4. amabaeus; Gray (Fig. 4. > 11). sve. sc. see a te baled : : 10 
5—10. Arca (Barbatia) complanata, Ch. .. oy Apa Severs noe : bee 15 
11—13. — (Acar) tenella, Reeve .. Bae case : Sees sehen Ae 21 
14—15. = signata; Dunks ac: aoe ER TATE Aner ake ee yas 14 
16—170) yi —— "(Barbatia)Stamensisine Spaerjee 2 ee ee ee Sie ae 18 
18—19;. Nuculana (Belcher; Hinds. coc ace «ses vee sols seer eteyee = eer ee 8 
