178 CRINOIDS. 



Eretmocrinus konincki (Shumard). 



Aciinocrinus konincki Shumard, 1S55 : Gaol. Sur. Missouri, pt. ii, p. 194, 



pi. A, figs. 8a-c. 

 Batocrinus konincki Meek & Worthen, 1873: Geol. Sur. Illinois, vol. V, 



p. 367. 

 Batocrinus (Eretmocrinus) urnceformis Meek & Worthen, 1873: Geol. Sur. 



Illinois, vol. V, p. 368. 

 Aciinocrinus umozformis McChesney, 1860: New False. Foss., p. 23. 

 Eretmocrinus konincki Wach8muth& Springer, 1881 : Proc. Acad. Nat. Sci., 



Phila., p. 347. ( Eevision p. 173.) 



Calyx small, nearly twice as high as broad ; dorsal cup oc- 

 cupying about two-thirds the height of the calyx ; basal circlet 

 high, forming a tripartite rim below. Plates extremely nodose. 



Horizon and localities. — Lower Carboniferous, Upper Bur- 

 lington limestone: Ash Grove (Greene county), Eocheport 

 ( Boone county ), Palmyra ( Marion county ). 



Eretmocrinus remibrachiatus (Eall). 



Aciinocrinus remibrachiatus Hall, 1861 : Desc. New Species Crinoids, p. 11. 

 Aciinocrinus {Eretmocrinus) remibrachiatus Meek & Worthen, 1873 : Geol. 



Sur. Illinois, vol. V, p. 370, pi. x, fig. 5. 

 Eretmocrinus remibrachiatus Wachsmuth & Springer, 1881: Proc. Acad. 



Nat. Sci., Phila., p. 347. 

 Eretmocrinus remibrachiatus Keves, 1890 : A.m. Naturalist, vol. XXIV, p. 



254, pi. ix, fig. 3. 



Calyx comparatively small; dorsal cup rather low, plates 

 smooth, basals extended into a projecting rim. Arms very 

 long, slender, upper portions flattened, very broad. 



Horizon and localities. — Lower Carboniferous, Upper Bur- 

 lington limestone : Ash Grove (Greene county). 



Eretmocrinus originarius Wachsmuth & Springer. 



Eretmocrinus originarius Wachsmuth & Springer, 1881: Proc. Acad. Nat. 



Sci., Phila., 1881, p. 348. 

 Batocrinus mediocris Miller, 1891: Geol. Sur. Indiana, 17th Ann. Rep., 



adv. sheets, p. 62, pi. x, fig. 9. 

 Batocrinus gorbyi Miller, 1891: Geol. Sur. Indiana, 17th Ann. Rep., adv. 



sheets, p. 63, pi. x, fig. 10. 

 Batocrinus boonvillensis Miller, 1891; Geol. Sur. Indiana, 17th Ann. Rep., 



adv. sheets, p. 65, pi. x, fig. 13. 

 Batocrinus gurleyi Miller, 1891: Geol. Sur. Indiana, 17th Ann. Rep., adv. 



sheets, p. 66, pi. si, figs. 9-10. 



