COEEECTIONS IN THE EXPLANATIONS OF PLATES I— IV. 



— 31, sliould be Lagena lagenoides, Williamson. 

 Lagena acuticosta, Reuss. 

 Polymorphina nodosaria, Eeuss. 

 Dimorphina tuberosa, d'Orb. 

 Dimorphina compacta, B., P., and J. 



Polymorphina frondiformis, S. V. Wood, Var. lineata, nov. 

 tubulose forms oi Polymorphina gibha, d'Orb. 

 Truncatulina refulgens (Montfort). 

 Rotalia calcar, d'Orb. 

 Pulvimdina punctulata (d'Orb.). 

 Pulvinulina repanda (d'Orb.). 

 Nonionina umhilicatula (Montagu), thick variety. 

 Polystomella (Nonionina) scapha (F. and M.), thick variety. 

 Nummulites Boucheri {?), de la Harpe. 

 Textilaria sagittula, Defrance. 

 Bigenerina nodosaria, d'Orb. 



Spirillina vivipara, Ehrenb., Var. complanata, nov. 

 Indeterminate, worn Orhulina ? 

 Y Polyzoon. 



Miliolina, not Trilocidina. 

 Miliolina, not Quinqueloculina. 

 Orhitolites complanatus, Lamarck. 

 Peneroplis {Bentritina) arbuscula (d'Orb.). 

 Miliolina triangularis (d'Orb.). 



Miliolina bicornis (W. and J.), Var. Brongniartii (d'Orb.). 

 Miliolina pulehella (d'Orb.). 

 Miliolina Ferussacii, (d'Orb.), Var. 

 Lagena reticulata (Macgillivray). 

 Nodosaria proxima, Silvestri. 

 Truncatulina Haidingeri (d'Orb.). 



