PLATE C. 
PAGE 
Mig alto Oh Dex TUT ARTA GROBUMOS AL HOECDDENDL s. «e .-ise1e1s)-\cleiiatelemieaieie ieee nem ioe eee terete eeiaers 29 
5. Side view. 
6. Specimen from Nebraska. 
Figs. 7and 8. TEXTULARIA AGGLUTINANS d’Orbigny....... LLL S DEAS Aa blele suas Mae eee eae ee 30 
Rigs. 9 and 10) VE Exo UE ARTA TUR RISIG2OLDIGD Yiew:-s.01c cisco. </sccieiesaleesielstestovesters cl alaleiniare ebsites ener 30 
10. Specimen from Nebraska. 
Ie RID SMR ope op RON: CUO OU GH OM ota ahye ule): lean opcodsooc saqdboboonooao cag. Sonn dooce sbne 30 
Migs 12; 139145 SPIROPRE NCTA AMERICANA H NTEN DENG. )..</- acta Mae eee aceite ime eieeteioiais stele alee 31 
13. Specimen from Nebraska. : 
14. From Ehrenberg’s original figure in his Mikrogeologie. 
Digs lp andele.. = GAUDRYANACE UF POLDESIGOLDISNY. |. « . 1. = <ieretasteee lta eit nt ee pietere ieeseeere ier eteerel ele 31 
16. Specimen from Nebraska. 
Figs. 17 and 18. VERNEUILINA PYGM aA Wgger. Nebraska... 0.00.02 eee es dans cease seve sesecse ne 32 
Fig. 19. BULIMINA AFFINIs d’Orbigny. Nebraska.......... sa tsistateeYaue) acest fal opctetattcta iets eaten ele eve Pope te torches 32 
RUSS 20 TOp24en fs UGLMON AG PDP OND ESOL O NT OY, lore oyojars «cist oteloy= eNelebetencteteteleteteaekeintotsrae ete leyeestenatsl etal eietetsn ie tele 32 
21 to 24. Specimens from Nebraska. 
Hig. 25. PLEUROSTOMELDLA SUBNODOSA Reuss, Nebraska. 2. . 2). cays cnjel=s e)n ste sisioleis ela ale ele els nfatsieye) sie 33 
Wigs 26, (BOLDV INAS DIL AT AIVAQIRCUSS MN (C DEASK Als cela sic eo +inaiale)sfarnateavahoteteleleielstcteierentie-teeieieietaeiere ieee te 33 
Wig 2. BOLIVINAY PUNCTAT ARCO DISMyAMe NG DIASKA ,c:5)./sr..os olciste's <)oisteracteeialetaiereretenstteteteiteroietetavelrele 34 
Wig 28 BOUL VIN AG PUN OMATUANG: ONOLe Tyee tteret ater siete! at\c's\s\eielsieinaie stele ehele seta ae Toren yatceetereekeeteestsicdeyetors 34 
