34 POLYZOANS. 



Rhombopora transversalis ULRICH. 



Rhombopora transversalis Ulrich, 1890: Geol. Sur. Illinois, vol. VIII, p. 

 655, pi. Ixxi, figs. 4-4b. 



Horizon and localities. Lower Carboniferous, Keokuk 

 limestone: Warsaw ( Illinois ). 



Rhombopora attenuata ULBICH. 



Rhombopora attenuata Ulrich, 1S90: Geol. Sur. Illinois, vol. VIII, p. 655, 

 pi. Ixx, fig. 7. 



Horizon and localities Lower Carboniferous, Keokuk 

 limestone : Warsaw ( Illinois ). 



Rhombopora tabulata ULRICH. 



Rhombopora tabulata Ulrich, 1890: Geol. Sur. Illinois, vol. VIII, p. 658, 

 pi. Ixx, figs. 2-2c. 



Horizon and localities Lower Carboniferous, Kaskaskia 

 limestone : Ste. Genevieve. 



Rhombopora tenuirama ULRICH. 



Rhombopora tenuirama Ulrich, 1890: Geol. Sur. Illinois, vol. VIII, p. 660, 

 pi. Ixx, figs. 8-8D. 



Horizon and localities Lower Carboniferous, Kaskaskia 

 limestone: Kaskaskia (Illinois). 



Rhombopora crassa ULRICH. 



Rhombopora crassa Ulrich, 1884: Jour. Cincinnati Soc. Nat. Hist., vol. 

 VII, p. 28, pi. i, figs. 2-2b. 



Horizon and localities. Upper Carboniferous, Upper Coal 

 Measures : Kansas City. 



