EXPLANATION OF PLATE lY—conlinued. 



Fig. 17. — Portion of tlie same more liif^lily magnified. X 40 diam. 

 Fig. 18. — Sorosphacra confusa, nov. X 13 diam. 



Fig. 19. — Worn and broken specimen of the same showing the interior 

 of some of the chambers, x 15 diam. 



PLATE V. 



Fig. 1. — Sagenella frondescens, nov. Magnified 10 diameters. 



Fig. 2. — Placopsilina vesicularis, n. sp. x 10 diara. 



Fig. 3. — Hyperammina vagans, n, sp. X 15 diam. 



Figs. 4 — 8. — Thurammina pcipillata, n. sp. 4, common form ; 5, adherent 

 specimen; 6, specimen with a portion of the test removed, showing a 

 primordial chamber in the interior; 7, primordial chamber of another 

 specimen ; 8, specimen consisting of several segments, x 50 diam. 



Fig. 9. — Thuranmnna compressa, n. sp, a, lateral aspect; b, peripheral 

 aspect. X 50 diam. 



Fig. 10. — Trodiammina irullissaia, n. sp. a, lateral aspect ; b, peri- 

 pheral aspect. X 30 diam. 



Fig. 11. — Section of the same showing the reticulate interior surface. 



Fig. 12. — Trochammina ringens, n. sp. a, lateral aspect ; b, peripheral 

 aspect. 30 diam. 



Figs. 13, 14. — Trochammina pauciloculaia, n. sp. x 50 diara. 



Fig. 15. — Trochammina coronata, n. sp. X 20 diam. 



Fig. 16. — Trochammina lituiformis, n. sp. x IS diam. 



