21 



Fam, IX. Nummulinidoe. 

 Nonionina, d'Orbigny. 



519 depressula, Walk, and Jac 



520 umbilicata, Mont. 



521 pompiloides, Fich. and Moll. 



522 orbicularis, H. Bra. 



523 stelligfera, d'Orb. 



524 Boueana, D'Orb. 



525 labradorica, Dawson. 



526 scapha, Fich. and Moll. 



527 communis, d'Orb. 



528 pauperata, Balk, and Wri. 

 1529 turgida, Will. 



Polystomella, Lamarck. 



530 striatopunctata, Fich. and Moll. 



531 subnodosa, Minister. 



532 arctica, Par. and Jones. 



533 crispa, Linn. 



Amphistegina, d'Orbigny. 

 *534 Lessonii, d'Orb. 



Operculina, d'Orb. 

 535 ammonoides, Gron. 



Heterostegina, d'Orbigny. 

 *536 depressa, d'Orb. 



THOS. CALDCLEUGH. PRINTER, DURHAM. 



