52 



THE PALEONTOLOGY OF MINNESOTA. 



[Table of Distribution. 



LIST OF THE MICROSCOPIC ORGANISMS FOUND IN THE CRETACEOUS FROM MINNESOTA, 

 NEBRASKA AND ILLINOIS, SHOWING THEIR DISTRIBUTION. 



FORAMINIFERA. 



3 cS 



5Ja 



O X 



s 



a 



s 



Trochammina inflata Montagu, sp 



Tcxtularia agglutinans d'Orbigny 



carinata d'Orbigny 



globulosa Ehrenberg 



turris d'Orbigny 



Spiroplecta americana Ehrenberg 



Gaudryina pupoides d'Orbigny * 



Verneuilina pygmasa Egger, sp 



Bulimina afflnis d'Orbigny 



pupoides d'Orbigny * 



Pleurpstomelia subnodosa Reuss 



Bolivina dilatata Reuss 



punctata d'Orbigny :. * 



Lagena aspera Reuss 



hispida Reuss 



" favosa-punctata Brady 



Nodosaria (D.) cominunis d'Orbigny 



Uvigerina asperula Czjzek 



canariensis d'Orbigny 



Globigerina bulloides d'Orbigny 1 



cretacea d'Orbigny * 



marginata Reuss * 



sacculifera Brady. 



Orbulina universa d'Orbigny * 



Anonialina ammonoides Reuss, sp 



Pulvinulina haueri d'Orbigny, sp 



menardii d'Orbigny . .'. 



Operculiua complanata Defrance, sp 



var. granulosa Leymerie * 



Nonionina scapha Fichtel and Moll, sp 



COCCOLITHS 



RHABDOLITHS 



RADIOLARIA 



SPONGE SPICULES 



SPATANGUS SPINES. . 



* ? 

 * 



