EXPLANATION OF PLATE I. 



HAPLOPHRAGMIUM CONCAVUM Bagg, p. 189 



1-2. Opposite views of a single individual, (x24). (After 

 Bagg.) 



Vincentown limesand. 



TROCHAMMINA INFLATA (Montagu), p. 190 



3-5. Inferior, superior and peripheral views of a recent individual 

 (x25). (After Challenger Report.) 



TEXTULARIA AGGLUTINANS d'Orbigny, p. 191 



6-7. Oral and lateral views of a recent individual, (xi2j^). 

 (After Challenger Report.) 



TEXTULARIA AGGLUTINANS var. PORRECTA Brady, p. 192 



8-9. Oral and lateral views of a recent individual, (xi2. T /^). 

 (After Challenger Report.) 



TEXTULARIA GLOBULOSA Ehrenberg, p. 193 



10-12. Lateral views of three individuals from the Cretaceous of 

 Minnesota, much enlarged. (After Paleontology of 

 Minnesota.) 



TEXTULARIA GRAMEN d'Orbigny, p. 193 



13-14. Lateral and peripheral views of a recent individual, (xg). 

 (After Challenger Report.) 



TEXTULARIA SAGITTULA Defrance, p. 194 



15-17. Lateral, peripheral and oral views of a recent individual, 

 (xi7^). (After Challenger Report.) 



TEXTULARIA TURRIS d'Orbigny, p. 195 



18-19. Oral and lateral views of a recent individual, (xg). (After 

 Challenger Report.) 



VERNEUILINA POLYSTROPHA (Reuss), p. 195 



20-21. Oral and lateral views of a recent individual, (x3o). (After 

 Challenger Report.) 



VERNEUILINA TRIQUETRA (Miinster), p. 196 



22. Lateral view, (x7). (After Bagg.) 

 Vincentown limesand. 



TRITAXIA TRICARINATA (Reuss), p. 197 



23-24. Lateral and oral views of a recent individual, (xi7^). 

 (After Challenger Report.) 



CLAVULINA PARISIENSIS d'Orbigny, p. 199 



25. Lateral view of a recent individual, (xg). (After Challenger 



Report.) 



BOLIVINA PUNCTATA d'Orbigny, p. 200 > 



26. Lateral view, (x7i). (After Bagg.) 



Vincentown limesand. 

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