BAT.] 



ECHINODERMA TA. 



227 



kelloggi, White, 1862, (Cyathocrinus kel- 

 loggi,) Proc. Bost. Soc. Nat. Hist., p. 8, 

 Kt-okuk Gr. 



magister, Hall, 1858, (Cyathocrinus 

 magister,) Geo. Sur. Iowa, p. 628, 

 Keokuk Gr. 



magnificus, Meek & Worthen, 1868, Proc. 

 Acad. Nat. Sci. Phil., p. 340, and Geo. 

 Sur. 111., vol. 5, p. 483, Keokuk Gr. 



mammatus, Worthen, 1873, Geo. Sur. 111., 

 vol. 5, p. 486, Keokuk Gr. 



pentagonus, Worthen, 1873, Geo. Sur. 

 111., vol. 5, p. 487, Keokuk Gr. 



protuberans, Hall, 1858, (Cyathocrinus 

 protuberans,) Geo. Sur. Iowa, p. 626, 

 Keokuk Gr. Wachsmuth says it is a 

 syn. for B. bullatus. 



rhombiferus, Owen & Shumard, 1850, 

 (Poteriocrinus rhombiferus,) Jour. 

 Acad. Nat. Sci. Phil., 2d ser., vol. 2, 

 and Geo. Wis., Iowa, and Minn., p. 

 595, Burlington Gr. 



scnlptilis, Hall, 1860, (Cyathocrinus 

 sculptilis,) Supp. Geo. Sur. Iowa, p. 59, 

 Burlington Gr. 



solidus, Hall, 1861, (Cyathocrinussolidus,) 

 Desc. New Grin., p. 5, and Bost. Jour. 

 Nat. Hist., vol. 7, p. 293, Burlington 

 Gr. 



spectabilis, Meek & Worthen, 1869, Proc. 

 Acad. Nat. Sci. Phil, and Geo. Sur. 111., 

 vol. 5, p. 530, St. Louis Gr. 



spurius, Hall, 1858, (Cyathocrinus spu- 

 rius,) Geo. Sur. Iowa, p. 625, Ke- 

 okuk Gr. 



stellatus, Hall, 1858, (Cyathocrinus stel- 

 latus,) Geo. Sur. Iowa, p. 623, Ke- 

 okuk Gr. 



striatus, Worthen, 1875, Geo. Sur. 111., 

 vol. 6, p. 515, Keokuk Gr. 



thomae, Hall, 1860,(Cyathocrinusthomae,) 

 Supp. Geo. Sur. Iowa, p. 61, Warsaw Gr. 



tumidus, Hall, 1858, (Cyathocrinus tumi- 

 dus,) Geo. Sur. Iowa, p. 624, Keokuk Gr. 



wachsmuthi, Meek & Worthen, 1861, 

 (Cyathocrinus wachsmuthi,) Proc. Acad. 

 Nat. Sci. Phil., p. 136, and Geo. Sur. 

 111., vol. 3, p. 482. Burlington Gr. 

 BATOCRINUS, Casseday, 1854, Deutsche 

 Zeitschr, d. Geol. Gesellsch, vol. 6, p. 237, 

 and Geo. Sur. 111., vol. 2, p. 150. [Ety. 

 batos, prickly bush ; krinon, lily.] Calyx 

 biturbinate or globose; basals 3; pri- 

 mary radials 3x5; secondary radials 

 2x10; tertiary radials 2 x 2 x 10 ; regular 

 interradials 1 to 5; azygous plates 6 to 

 12 or more ; tertiary radials meet so as 

 to cut off the connection of the inter- 

 radials with the dome plates; vault ele- 

 vated ; tube or proboscis nearly cen- 

 tral ; arms 18 to 26 or 36 to 40 ; pinnules ; 

 column round, distinguished from Ac- 

 tinocrinus by the quadrangular second 

 radial instead of hexagonal ; by the 

 number of plates in the interradial 

 areas; by the number of secondary 

 radials ; and by having a double series 

 of plates in each arm from the begin- 

 ning. Type B. icosidactylus. 



Tialis, Hall, 1858, (Actinocrinus sequalis,) 

 eo. Rep. Iowa, p. 592, Burling- 

 ton Gr. 



sequibrachiatus, McChesney, 1860, (Acti- 

 nocrinus ffiquibrachiatus,) New Pal. 

 Foss., p. 25, and Trans. Chi. Acad. Sci., 

 p. 18, Burlington Gr. 



sequibrachiatus, var. alatus, Hall, 1861, (Ac- 

 tinocrinus sequibrachiatus var. alatus,) 

 Bost. Jour. Nat. Hist., vol. 7, p. 263. 

 Wachsmuth says it is a syn. for B. 

 sequibrachiatus. 



andrewsanue, McChesney, 1859, (Actino- 

 crinus andrewsanus,) New Pal. Foes., 

 p. 27, and Trans. Chi. Acad. Sci., p. 20, 

 Burlington Gr. 



asteriscus, Meek & Worthen, 1860, (Acti- 

 nocrinus asteriscus,) Proc. Acad. Nat. 

 Sci. Phil., p. 385, and Geo. Sur. 111., 

 vol. 2, p. 207, Burlington Gr. 



biturbinatus, Hall, 1858, (Actinocrinus 

 biturbinatus,) Geo. Sur. Iowa, p. 616, 

 Keokuk Gr. 



calyculus, Hall, 1860, (Actinocrinus, caly- 

 culus,) Supp. Geo. Sur. Iowa, p. 55, 

 Warsaw Gr. 



calyculus var. hardinensis, Meek & Worth- 

 en, 1866, (Actinocrinus caylculus var. 

 hardinensis,) Proc. Acad. Nat. Sci. 

 Phil., p. 253, Warsaw Gr. 



caroli, Hall, 1860, (Actinocrinus caroli,) 

 Supp. Geo. Rep. Iowa, p. 54, War- 

 saw Gr. 



cassedayanus, Meek & Worthen, 1868, 

 Proc. Acad. Nat. Sci. Phil., p. 353, and 

 Geo. Sur. 111., vol. 5, p. 370, Burling- 

 ton Gr. 



christyi, Shumard, 1855, (Actinocrinus 

 christyi,) Geo. Sur. Mo., p. 191, Burling- 

 ton Gr. 



clavigerus, Hall, 1860, ('Actinocrinus 

 clavigerus,) Supp. Geo. Sur. Iowa, p. 

 44, Burlington Gr. Wachsmuth says 

 it is a syn. for B. similis. 



clypeatus, Hall, 1860, (Actinocrinus cly- 

 peatus,) Supp. Geo. Sur. Iowa, p. 12, 

 and Geo. Sur. 111., vol. 2, p. 150, Bur- 

 lington Gr. 



discoideus, Hall, 1858, (Actinocrinus dis- 

 coideus,) Geo. Rep. Iowa, p. 594, Bur- 

 lington Gr. 



1 dod ecadactyl u s, j-,\^, /\ 

 Meek & Worthen, " 

 1861, ( A c t i n o - 

 crinus dodecadac- 

 tylus,) Proc. Acad. 



3* 



13, and Geo. Sur. 



111., vol. 2, p. 205, 



Burlington Gr. 

 doris, Hall, 1861, 



(Actinocrinus 



doris,) Desc. New grunT. 



Crinoidea, p. 15, 



Burlington Gr. Wachsmuth eays it is 



a syn. for B. sequalis. 

 euconus, Meek & Worthen, 1860, (Allo- 



Srosallocrinus euconus,) Proc. Acad. 

 at. Sci. Phil., p. 164, Warsaw Gr. 



