ERI. — EUC] 



ECHINODERMA TA. 



243 



bin ate or subglobose, vault exceeding 

 the calyx in size ; basals 3, forming a 

 wide rim; primary radials 3x5; arm 

 openings 12 to 22 ; arms simple or com- 

 pound, long, flattened in the upper 

 portions ; interradials 1 to 3 ; azygous 

 interradials, 8 or more ; tube or pro- 

 boscis excentric and extending beyond 

 the infolding arms; column round. 

 Type E. magnificus. 

 adultus, Wachsmuth & Springer, 1881, 

 Proc. Acad. Nat. Sci. Phil., p. 349, 

 Keokuk Gr. 

 attenuatus, Hall, 1861, (Actinocrinus ma- 

 tuta var. attenuatus,) Desc. New Crin., 

 p. 14, Burlington Gr. 

 calyculoides, Hall, 1860, (Actinocrinus 

 calyculoides,) Supp. to Geo. Sur. Iowa, 

 p. 17, Burlington Gr. 

 carica, Hall, 1861, (Actinocrinus carica,) 

 Desc. New Crin.. p. 10, Burlington Gr. 

 clio, Hall, 1861, (Actinocrinus clio,) Desc. 

 New Crinoidea, p. 1, and Bost. Jour. 

 Nat. Hist., vol. 7, p. 262, Burling- 

 ton Gr. 

 clcelia, Hall, 1861, (Actinocrinus clcelia,) 

 Desc. New Crinoidea, p. 1, and Bost. 

 Jour. Nat. Hist., vol. 7, p. 266, Burling- 

 ton Gr. 

 corbulis, Hall, 1861, (Actinocrinus cor- 

 bulis,) Desc. New Crin., p. 1, and Bost. 

 Jour. Nat. Hist., vol. 7, p. 265, Burling- 

 ton Gr. 

 coronatus, Hall, 1860, (Actinocrinus coro- 

 natus,) Supp. Geo. Sur. Iowa, p. 28, 

 Burlington Gr. 

 gemmiformis, Hall, 1860, (Actinocrinus 

 gemmiformis,) Supp. Geo. Sur. Iowa, 

 p. 23, Burlington Gr. 



intermedius, Wachsmuth 

 & Springer, 1881, Proc. 

 Acad. Nat. Sci., p. 348, 

 Keokuk Gr. 

 konincki, Shumard, 1855, 

 (Actinocrinus kon- 

 incki,) Geo. Sur. Mo., 

 p. 194, Burlington Gr. 

 leucosia, Hall, 1861, (Ac- 

 tinocrinus leucosia,) 

 Desc. New Crin., p. 1, 

 and Bost. Jour. Nat. 

 Hist., vol. 7, p. 261, 

 Burlington Gr. 

 magnificus, Lyon & Cas- 

 sedav, 1859, Am. Jour. Sci. and Arts, 

 vol. 28, p. 241, Keokuk Gr. 

 matuta, Hall, 1861, (Actinocrinus matuta,) 

 Desc. New Crinoidea, p. 14, Burling- 

 ton Gr. 

 matuta var. attenuata, see E. attenuatus. 

 neglectm, Meek & Worthen, 1869, (Bato- 

 crinus neglectus,) Proc. Acad. Nat. 

 Sci., p. 355, and Geo. Sur. 111., vol. 5, 

 p. 377, Burlington Gr. 

 originarius, Wachsmuth & Springer, 1881, 

 Proc. Acad. Nat. Sci., p. 348, Keokuk Gr. 

 ramulosus, Hall, 1858, (Actinocrinus ram- 

 ulosus,) Geo. Sur. Iowa, p. 615, Keo- 

 kuk Gr. 



Fig. 298. 



Eretmoerinus 



konincki. 



remibrachiatus, Hall, 1861, (Actinocrinus 



remibrachiatus,) Desc. New Crinoidea, 



p. fl, Burlington Gr. 

 varsouviensis, Worthen, 



1882, Bull. No. 1, 111. 



St. Mus. Nat. Hist., p. 



30, and Geo. Sur. 111., 



vol. 7, p. 306, Warsaw Gr. 

 verneuilanus, Shumard, 



1855, (Actinocrinus ver- 



neuilianus,) Geo. Sur. „ fig. 299. 



Mo., p. 193, Burlington J5SSK™ 



Gr. 

 Erisocrincs, Meek & Worthen, 1865, Am. 



Jour. Sci. and Arts, vol. 89, p. 174. 



[Ety. eris, contention ; krinon, lily.] 



Calyx saucer-shaped ; basals 5, small ; 



subradials 5, large ; radials 2 x 5, large ; 



no interradials; arms 10; column 



round. Type E. typus. 

 antiquus, Meek & Worthen, 1869, Proc. 



Acad. Nat. Sci. Phil., p. 71, and Geo. 



Sur. 111., vol. 5, p. 447, Burlington Gr. 

 cognatus, Wachs- 





muth & Springer, 

 1887, Note to p. 

 255, Revis. Palseo- 

 crinoidea, syn. 

 for E. planus, 

 conoideus, Meek & 

 Worthen, 1865, 

 Proc. Acad. Nat. 

 SvJ^x Sci. Phil., p. 150, 



\\ / X and Geo. Sur. 111., 



vol. 2, p. 318, Up. 

 Coal Me as. 

 inflexus, Geinitz, 

 1866, (Cyatho- 

 crinus inflexus, ) 

 Carb. und Dyas, in Neb., p. 62, and 

 White's Cont. to Pal., No. 6, p. 128, 

 Coal. Meas. 

 nebraskensis, Meek & Worthen, 1865, 

 Am. Jour. Sci., vol. 89, p. 174, Up. Coal 

 Meas. Regarded a variety of E. typus. 

 planus, White, 1880, Proc. U. S. Nat. 

 Mus., vol. 2, p. 257, and Cont. to Pal., 

 No. 6, p. 127, Coal Meas. 



Fig. 300. — Erisocrinus 

 conoideus. Side view, 

 natural size ; b, dia- 

 gram, 2 diam. 



Fig. 301.— Erisocrinus typus. Two side views, 

 basal view, and top view of calyx. 



typus, Meek & Worthen, 1865, Am. Jour. 



Sci. and Arts, vol. 89, p. 174, and Geo. 



Sur. 111., vol. 2, p. 319, Up. Coal Meas. 

 tuberculatus, see Eupachycrinus tubercu- 



latus. 

 whitii, Meek & Worthen, 1869, Proc. 



Acad. Nat. Sci. Phil., p. 72, and Geo. 



Sur. 111., vol. 5, p. 448, Burlington Gr. 

 EucALYPTOCRiNtrs, Goldfuss, 1826, Petref. 



Germ., p. 212. [Ety. eu, well ; kalyptos, 



covered ; krinon, lily.] Body turbinate 



