72 



ECHINODERMATA. 



dodecadactylus, Meek & Worthen, 1861, 

 (Actinocrinus dodecadactylus) Proc. 

 Nat. Sci. Phil., Burlington Gr. [Sig. 

 twelve-fingered.] 



doris, Hall, 1861, (Actinocrinus doris) 

 Desc. New Orinoidea, Burlington Gr. 

 [Ety. a mythological name.] 



formosus. Hall, 1860, (Actinocrinus for- 

 tnosus) Supp. to Geo. Sur. Iowa, Bur- 

 lington Gr. [Sig. beautiful.] 



gemmiformis. Hall, 1860, (Actinocrinus 

 gemmiformis) Supp. to Geo. Sur. 

 Iowa, Burlington Gr. [Sig. bud-like.] 



icosidactylus, Casseday, 1854 (Actino- 

 crinus icosidactylus) Zeitsch. 

 Deutsch. Geol. Gesellsch, Warsaw 

 Gr. [Sig. twenty-fingered.] 



inornatus. Hall, 1860, (Actinocrinus in- 

 ornatus) Supp. to Geo. Sur. Iowa, 

 Burlington Gr. [Sig. not ornamented.] 



irregularis, Casseday, 1854, Zeitsch. 

 Deutsch Geol. Gesell., Warsaw Gr. 

 [Sig. irregular.] 



konincki, Shumard, 1855, (Actinocrinus 

 konincki) Geo. Rep. Mo., Burlington 

 Gr. [Ety. proper name.] 



lagunculus. Hall, 1860, (Actinocrinus 

 lagunculus) Supp. to Geo. Sur. Iowa, 

 Warsaw Gr. [Sig. small flask, small 

 bottle.] 



laura. Hall, 1861, (Actinocrinus laura) 

 Desc. New Crinoidea, Burlington Gr. 

 ' [Ety. proper name.] 



lepidus, Hall, 1860, (Actinocrinus lepidus) 

 Supp. to Geo. Sur. Iowa, Burlington 

 Gr. [Sig. elegant.] 



longirostris. Hall, 1858, (Actinocrinus 

 longirostris) Geo. Rep. Iowa, Burling- 

 ton Gr. [Sig. ha\'ing a long probos- 

 cis.] 



magnificus, see Eretmocrinus magnificus. 



mundulus. Hall, 1860, (Actinocrinus 

 mundulus) Supp. to Geo. Sur. Iowa, 

 Warsaw Gr. [Sig. neat, trim, nice.] 



neglectus. Meek & Worthen, 1868, Proc. 

 Acad. Nat. Sci. Phil., Burlington Gr. 

 [Sig. overlooked.] 



papillatus. Hall, 1860, (Actinocrinus 

 papillatus) Supp. to Geo. Sur. Iowa, 

 Burlington Gr. [Sig. shaped like a 

 bud.] 



pistilliformis, Meek & Worthen, 1865, 

 Proc. Acad. Nat. Sci. Phil., Kinder- 

 shook Gr. [Sig. in the form of a 

 pestle.] 



pistillus. Meek & Worthen, 1865, Proc. 

 Acad. Nat. Sci. Phil., Burlington Gr. 

 [Sig. a pestle.] 



planodiscuSj Hall, 1860, (Actinocrinus 

 planodiscus) Supp. to Geo. Sur. Iowa, 

 Warsaw Gr. [Sig. a plain disc] 



pyriformis, Shumard, 1855, (Actinocri- 

 nus pyriformis) Geo. Sur. Mo., Bur- 

 lington Gr. [Sig. pear-shaped.] 



quasillus, Meek & Worthen, 1869, Proc. 

 Acad. Nat. Sci. Phil., Burlington Gr. 

 [Sig. a small basket.] 



remihrachiatm, see sub-genus Eretmocri- 

 nus remibrachiatus. 



sinuosus, Hall, 1860, (Actinocrinus sinu- 

 osus) Supp. to Geo. Sur. Iowa, Bur- 

 lington Gr. [Sig. full of curves.] 



subaequalis, McChesney, 1860, (Actinocri- 

 nus subjequalis) New Pal. Foss., Bur- 

 lington Gr. [Sig. somewhat equal.] 



trochiscus. Meek & Worthen, 1868, Proc. 

 Acad. Nat. Sci. Phil., Burlington Gr. 

 [Sig. a little wheel.] 



turbinatus. Hall, 1858, (Actinocrinus tur- 

 binatus) Geo. Rep. Iowa, Burlington 

 Gr. [Sig. top-shaped.] 



turbinatus var. elegans, (Actinocrinus tur- 

 binatus var. elegans) Geo. Rep. Iowa, 

 Burlington Gr. [Sig. elegant.] 



vei'neuilianm, see Eretmocrinus verneu- 

 ilianus. 

 Belemnocrixus, White, 1862, Proc. Bost. 

 Soc. Nat. Hist., vol. 9. [Ety. fcrfemnon, 

 a dart, javelin ; krinon, a lily.] 



typus. White, 1862, Proc. Bost. Soc. Nat. 

 Hist., vol. 9, Burlington Gr. [Ety. 

 type of the genus.] 



whitii. Meek & Worthen, 1866, Proc. 

 Acad. Nat. Sci. Phil., Burlington Gr. 

 [Ety. proper name.] 

 Blastoidocrinus, Billings, 1859, Decade 4. 

 [Ety. blastos, bud ; eidos, form ; krinon, 

 lily.] 



carcharidens, Billings, 1859, Geo. Sur. of 



Can., Decade 4, Chazy Gr. [Ety. 



larchttrus, a shark; deris, a tooth.] 



BR.iCHiocRixus, Hall, 1859, Pal. N. Y., vol. 3. 



[Etv. trar/iium, an arm ; krinon, s, \\\y .'\ 



nodosarius. Hall, 1859, Pal. N. Y., vol."3, 

 Low. Held. Gr. [Sig. knotty.] 

 BuESACRi.NTS, Meek & Worthen, 1861, Proc. 

 Acad. Nat. Sci. Phil. [Ety. bursa, a 

 purse; krinon, a. \\\y.'\ 



confirmatus, White, 1862, Proc. Bost. Soc. 

 Nat. Hist., vol. 9, BurHngton Gr. [Sig. 

 very thick or firm.] 



wachsmuthi. Meek & Worthen, 1861, 

 Proc. Acad. Nat. Sri. Phil., Burlington 

 Gr. [Ety. proper name.] 

 Cacaboc.riniif, Troost, 1850. It was never 

 described. The fossils that have been 

 referred to it will be found under 

 Dolatocrinus. 

 Calathocrinus, Hall, 1861. This name was 



preoccupied by Von Meyer, in 1848. 

 Calceoceinl's, Hall, 1852, Pal. N. Y., vol. 2. 

 [Ety. caJcem, a shoe; krinon, a lily.] 



barrisi, Woithen, 1875, Geo. Sur. 111., vol. 

 6, Devonian. [Etv. proper name.] 



bradleyi, ;\Ioek & Worthen, 1869, Proc. 

 Acad. Nat. Sci. Phil., Keokuk Gr. 

 [Ety. proper name.] 



chrysalis. Hall, 1859, (Cheirocrinus chry- 

 ■salis) 13th Reg. Rep. N. Y., Niagara 

 Gr. [Sig. chrysalis.] 



clarus. Hall, 1862, (Cheirocrinus clarus) 

 15th Reg. Rep. N. Y., Hamilton Gr, 

 [Sig, distinct, remarkable,] 



