PLATE III. 



BlLOCULINA. — MlLIOLINA. 



Diani. Page 



Figures 1, 2. — Biloculina depressa, d'Orbigny, . . x 40 145 



Figs. 1, 2. a, Front aspect ; b, oral aspect. 



„ 3. — Biloculina depressa, d'Orb., var. serrata, nov., . x 25 146 



a, Front aspect ; 6, opposite face ; c, oral aspect. 



,, 4, 5. — Biloculina ringens (Lam.), var. denticulate/., nov., x 40 143 



Figs. 4 a, 5. Front aspect ; b, oral aspect. 



,, G. — Bilocidina tubulosa, Costa, . . x 35 147 



a, Lateral aspect ; b, front aspect ; c, oral aspect. 



,, 7, 8. — Biloculina ringens (Lam.), var. slriolata, nov., . x 45 143 



Figs. 7 a, 8. Front aspect ; b, oral aspect. 



,, 9. — Biloculina comata, Brady, . . x 40 144 



a, Front aspect ; b, oral aspect. 



,, 10-13. — Young MilioUncB ; probably the early stage of 



Miliolina pulchella, d'Orb., sp., . x 50 174 



Fig. 10 is the Adelosina soldatrii of d'Orbigny ; fig. 

 11, Adelosina Icevigata, d'Orbigny; fig. 12, Adelosina 

 semistriata, d'Orbigny. Fig. 13. Longitudinal section, 

 showing the primordial and second chambers. 



,, 14-16. — Miliolina trigonula, Lamarck, sp., . . . 164 



Fig. 14. Lateral aspect. . . x 20 



Fig. 15. a, Lateral aspect ; b, oral aspect, . x 40 



Fig. 16. Transverse section of the shell, . x 25 



,, 17. — Miliolina tricarinata, d'Orbigny, . . x 50 165 



a, Lateral aspect ; b, oral aspect. 



