22 POLYZOANS. 



Glyptopora keyserlingi (PROUT). 



Coscinium keyser lingi Prout, 1858 : Tran8. St. Louis Acad. Sci. , vol. I, p. 



269, pi. xv, figs. 4-4a. 

 Glyptopora keyserlingi Ulrich, 1890: Geol. Sur. Illinois, vol. V11I, p. 



517, pi. Ixxviii, figs. 4-4b. 



Horizon and localities. Lower Carboniferous, Keokuk 

 limestone : Keokuk ( Iowa ). 



Glyptopora michelinia (PROUT). 



Coscinium michelinia Prout, 1860 : Trans. St. Louis Acad. Sci., vol. I, p. 



573. 

 Coscinium michelinia Prout, 1866: Geol. Sur. Illinois, vol. II, p. 414, pi. 



xxii, figs. 4-4a. 

 Glyptopora michelinia Ulrich, 1390: Geol. Sur. Illinois, vol. VIII, p. 515, 



pi. Ixxviii, figs. 8-8b. 



Horizon and localities. Lower Carboniferous, Saint Louis 

 limestone : Barrett station ( Saint Louis county). 



Taeniodictya ramulosa ULRICH. 



Tceniodictya ramulosa Uirich, 1890: Geol. Sur. Illinois, vol. VIII, p. 528, 

 pi. Ixvii, figs. 1-lb. 



Horizon and localities Lower Carboniferous, Keokuk 

 limestone: Keokuk ( Iowa). 



Taeniodictya frondosa ULRICH. 



Tceniodictya frondosa Ulrich, 1890: Geol. Sur. Illinois, vol. VIII, p. 529, 

 pi. Ixix, figs. 5-5c. 



Horizon and localities. Lower Carboniferous, Keokuk 

 limestone: Keokuk (Iowa). 



Stictoporella basalis ULRICH. 



Stiatopordla basalis Ulrich, 1890: Geol. Sur. Illinois, vol. VIII, p. 532, 

 pi. Ixxv, figs. 5-5b. 



Horizon and localities. Lower Carboniferous, Keokuk 

 limestone : Warsaw ( Illinois ). * 



Fenestella filistriata ULRICH 



Fenestella filistriata Ulrich, 1890: Geol. Sur. Illinois, vol. VIII, p. 535, 

 pi. xlix, figs.2-2a. 



Horizon and localities. Lower Carboniferous, Burlington 

 limestone : Montezuma ( Illinois ). 



