66 



CHESTER OSTRACODES OF ILLINOIS 



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RouNDY, P. v., Mississippian formations of San 

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ScoTT, Harold W., Some Carboniferous strati- 

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SiMONDS, F. W., Arkansas Geol. Survey, Ann. 

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Ulrigh, E. O., New and little-known American 

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Ulrich, E. O. and Bassler, R. S., New American 

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Weller, J. Marvin, Geology and oil possibilities 

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White, David, Fossil flora of the Wedington 

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