ECHINODEEMATA. 



27'.) 



ACKOCEiNns wortheni, Wachsmuth, 1882, 

 Bull. No. 1, 111. St. Mus. Nut. Hist., 

 Coal Meas. [Ety. proper name.] 

 AcTiKOCRiNDS aiidreweaiius, McChesney, 

 1860, New Pal. Fobs., Up. Burling- 

 ton Gr. [Ety proper name.] Wachs- 

 muth refers it to Batocrinus. 

 biturbinatus, refer to Batoerinus hitur- 



binatuB. 

 brei'i.i, refer to Agaricoorinus brevis. 

 calilcuJiis, refer to Batocrinus calj^culus. 

 culijculus var. Imnlinensis, refer to Bato- 



eiinus ealyculuB var. hardiuensis. 

 caroii, refer to Batocrinus caroli 

 clypeatus, refer to Batocrinns clypeatus. 

 coiicinnus, refer to Steganocrinus oon- 



cinnus. 

 copei, S. A. Miller, 1881, Jour. Cin. Soc. 

 Nat. Hist., vol. 4, Burlington Gr. 

 [Ety. proper name.] 

 coreyiisfrom the Keokuk Gr., and was 



described in 1860. 

 coromttus, refer to Eretmocrinus corona- 



tus. 

 daly.anus, S. A. iHller, 1881, Jour. Cin. 

 rioc. Nat. Hist., vol. 4, Burlington 

 Gr. [Ety. proper name.] 

 ectypuB instead of Strotocrinus ectypus. 

 flsriiUus, refer to jVgaricocrinus flscellus. 

 haijeri, refer to Batocrinus hageri. 

 helice, refer to Agaricoorinus helice. 

 helice var. eris, refer to Agaricocrinus 



eris. 

 indiancnsis is from the Keokuk Gr. It 

 was described in 1860, .and should 

 be referred to Batocrinus indianensis. 

 leucosia, refer to Eretmocrinus leucosia. 

 meeki, refer to Macrostylocrinus meeki. 

 multicornis was described in 1869, from 



the Up. Held. Gr. 

 nashrillw, refer to Batocrinus nashvilloe. 

 nashriUa- var. subtnictus, refer to Bato- 

 crinus nashvilliB rar. subtractus. 

 obpyramidriUs, refer to Melocrinus ob- 



pyramidalis. 

 T)entaspinus was described in 1869, from 



the Up. Held. Gr. 

 pyramidatus, refer to Agaricocrinus pyra- 



midatuB. 

 pyriformis var. ru.dis, being preoccupied 

 the fossil was afterward named Bato- 

 crinus pistilliformis. 

 rcmmlosus, refer to Eretmocrinus ramu- 



losus. 

 rotinidus, refer to Batocrinus rotundus. 

 sc'uljitits, refer to Steganocrinus sculptuB. 

 silliiiwnii, is a syn. for A. scitulus. 

 similis, refer to Batocrinus similis. 

 stcnjpes, refer to Batocrinus steropes. 

 tenuiseulptus, McChesney, 1867, Chi., 

 Acad. Sci., vol. 1, Low. Burlington 

 Gr. [Slg. finely sculptured.] 

 ventrirnsus, "ix-ter'to Physetocrinus ven- 



trieosus. 

 ventrirosas var. cancellatus, refer to Phy- 

 setocrinus ventricosus var. cancella- 

 tus. 

 ventricosus var internodits, refer to Phy- 



setocrinus ventricosus var. interno- 

 dus. 

 ACTINOCMNUS vjnchsmvthi, "White, 1862, 

 syn. for A. scitukis. 

 wachsmuthi. White, 1880, 12th Rep. U. 

 b. Geo. Sur. Terr., Keokuk Gr. Ety. 

 proper name.] 

 yandelli, is from the Keokuk Gr. 

 Agaricockinus americanuB is found in the 

 Burlington and Keokuk Groups, 

 brevis instead of Actinocrinus brevis. 

 crassus, Wetherby, 1881, Jour. Cin. Soc. 

 Nat. Hist., vol. 4, Keokuk Gr. [Sig. 

 thick.] 

 elegans, Wetherby, 1881, Jour. Cin. Soc. 

 Nat. Hist., vol. 4, Keokuk Gr. [Sig. 

 elegant ] 

 eris. Hall, 1864, 17th Kep.N. Y. St. Cab. 

 Nat. Hist. (Actinocrinus helice var. 

 eris), Waverly Gr. [Ety. proper 

 name ] 

 flscellus instead of Actinocrinus flscell- 

 us. 

 helice instead of Actinocrinus helice 

 pyramidatus instead of ■ Actinocrinus 



pyramidatus, 

 springeri. White, 1882, 11th Kep. Geo. 

 & Nat. Hist. Indiana, Keokuk Gr. 

 [Ety. proper name.] 

 Agassizoceinus hemisphericuB, Worthen, 

 1882, Bull. No. 1, 111. St. Mus. Nat. 

 Hist., Kaskaskia Gr. [Sig. hemi- 

 spherical.] 

 papillatus, Worthen, 1882, Bull No. 1, 

 111. St. Mus. Nat. Hist., Kaskaskia 

 Gr. [Sig. shaped like a bud.] 

 Agblaceinus septembrachiatus, Miller & 

 Dyer, 1878, Jour. Cin. Soc. Nat. Hist., 

 vol. 1, Hud. Kiv. Gr. [Sig. seven 

 armed.] 

 Allageceinds, Etheridge & Carpenter, 

 1881, Ann. & Mag. Nat. Hist. [Ety. 

 allage, a change ; krinon, a lily.] 

 carpenteri, Wachsmuth, 1882, Bull. No. 

 1, 111. St. Mus. Nat. Hist., Kaskaskia 

 Gr. [Ety. proper name.] 

 Allopeosalloceintts euGomts, see Bato- 



ci'inuB euconuB. 

 Amphbeistocrikus, Hall, 1879, Desc. New. 

 Spec. Fobs. [Ety. ampheristos, doubt- 

 ful, disputed; Jninon, a lily.] 

 typus, Hall, 1879, Desc. New Spec. Fobs., 

 Niagara Gr. [Sig. the type.] 

 AMPHORACEixrs planobasalis was described 

 in 1860, in Supp. to Geo. Kep. Iowa. 

 quadrispinus is a syn. for A. divergens. 

 Amygdalocystites huntingtoni, Wether- 

 by, 1881, Jour. Cin. Sue. Nat Hist., 

 vol. 4, Trenton Gr. [Ety. proper 

 name.] 

 AxoMALOCEixus capouiformls, Lyon, 1869, 

 Trans. Am. Phil. Soc, vol. 13, Hud. 

 Kiv. Gr. [Sig. capon formed.] 

 inourvus is from the Hud. Kiv. Gr. 

 Anomalocystites balanoides is from the 

 Hud. Kiv. Gr. 



