PLATE XLVI. 



GAUDRYINA. — ChIIYSALIDINA. 



Diam. Page 



Figures 1-4. — Gaudryina pupoides, d'Orbigny, . . x 30 378 



Figs. 1, 2 a, 4 a. Lateral aspect; fig. 2 b, oral aspect; figs. 

 3, 4 b, peripheral aspect. 



,, 5, G. — Gaudryina pupoides, var. chilostoma, Reuss, . . 37i) 



Fig. 5. a, Lateral aspect ; b, peripheral aspect, . x 25 



Fig. 6. a, Lateral aspect ; b, oral aspect, . x 40 



,, 7. — Gaudryina scabra, n. sp., . . . x 20 381 



a, Lateral aspect ; b, peripheral aspect. 



,, 8-11. — Gaudryina baccat'a, Schwager, .... 370 



Figs. 8, 10. Lateral aspect; fig. 9, peripheral aspect, . x 20 



Fig. 11. Portion of a specimen with the sutural 



depressions bridged over at intervals. . x 60 



,, 12. — Gaudryina jiliformis, BertheKn, . . x 50 380 



a, Lateral aspect ; b, peripheral aspect ; '■, oral aspect. 



., 13. — Gaudryina subrotundata, Schwager, . x 20 380 



a, Lateral aspect ; b, peripheral aspect ; a, oral aspect. 



,, 14-16. — Gaudryina rugosa, d'Orbigny, . . . 381 



Fig. 14. Lateral aspect, . x 35 



Fig. 15. a, Lateral aspect ; b\ oral aspect, . x 20 



Fig. 16. a, Lateral aspect ; b, oral aspect, . x 25 



., 17 -19. — Gaudryina siphonella, Reuss, . . x 40 382 



Figs. 17 a, 16, 19. Lateral aspect ; 1 7 U, oral aspect. 



.. 20,21. — Chrysalidina dimorpha, Brady, . . x 70 388 



F'igs. 20, 21«. Lateral aspect; //, oral aspect. 



