518 



ANNELIDA. 



[dis. — i.i;m. 



Fig. 937— Corn u 

 lites arcuatus. 



arcuatus, Conrad, 1842, Jour. Acad. Nat. 

 Sci., vol. 8, p. 276, Niagara Gr. 



bellistriatus, Hall, 1888, 

 Pal. N. Y., vol. 7, p. 20, 

 Low. Held. Gr. 

 carbonarius, Gurley, 1883, 

 New. Carb. Foss., p. 8, 

 Kinderhook Gr. The 

 publication is not such 

 as required by the rules 

 of nomenclature, 

 chrysalis, Hall, 1888, Pal. 

 N. Y., vol. 7, p. 20, Low. 

 Held. Gr. 

 cingulatus, Hall, 1888, 

 Pal. N. Y., vol. 7, p. 

 20, Low. Held. Gr. 

 clintoni, Hall, 1879, 28th Rep. N. Y. St. 

 Mus. Nat. Hist., p. 184, Clinton Gr. 

 This name was proposed instead of C. 

 flexuosus, which is preoccupied, when 

 Conchicolites is regarded as synony- 

 mous with Cornulites. 

 contractus, Ringueberg, 1884, Proc. Acad. 

 Nat. Sci., p. 148, Niagara Gr. Syn. for 

 C. proprius. 

 distans, Hall, 1852, (Tentacu- 

 lites distans,) Pal. N. Y., vol. 

 2, p. 184, Clinton Gr. 

 flexuosus, Hall, 1852, Pal. N. Y, 



vol. 2, p. 98, Clinton Gr. 

 flexuosus var. gracilis, Hall, 

 1860, Can. Nat. and Geo., vol. Fig. 938. 

 5, p. 155, Niagara Gr. Cornulites 



nodosus Ringueberg, 1884, mstans - 



Proc. Acad. Nat. Sci., p. 149, Niagara (Jr. 

 proprius, Hall, 1876, 28th Rep. N. Y. St. 



Mus. Nat. Hist., p. 182, Niagara Gr. 

 tribulis, Hall, 1888, Pal. N. Y., vol. 7, p. 

 20, Ham. Gr. 

 Distacodus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 357. [Ety. dis- 

 tazo, to doubt ; odous tooth.] Small, 

 curved tooth, with a sharp edge on both 

 the outer and inner curve ; base ex- 

 panded. Type D. incurvus. 

 incurvus, Pander, 1856, (Machairodus 

 incurvus,) Monogr. d. foss. Fische. d. 

 Silur. syst., p. 23, Hud. Riv. Gr. 

 Drepanodus, Pander, 1856, Monogr. d. foss. 

 Fische. d. Silur. Syst., p. 20. [Ety. dre- 

 pane, sickle ; oJous i tooth.] Small, curved, 

 spine-like tooth, nearly circular in sec- 

 tion ; base expanded. Type D. arcuatus. 

 arcuatus, Pander, 1856, Monogr. d. Foss. 

 Fische. d. Silur. Syst., p. 20, Hud. 

 Riv. Gr. 

 Eotrophonia, TJlrich, 1878, Jour. Cin. Soc. 

 Nat. Hist, vol. 1, p. 91. Not satisfacto- 

 rily defined. 

 setigera, Ulrich, 1878, Jour. Cin. Soc. Nat. 

 Hist., vol. 1, p. 91. Not satisfactorily 

 defined, and specimen too poor for defi- 

 nition. 

 Eunicites, Ehlers, 1868, Paleeontographica, 

 vol. 17, p. 145. [Ety. Eunice, a Nereid ; 

 lithos, stone.] Minute, variously formed, 

 denticulated jaws of annelids or crus- 

 taceans. Type E. avitus. 



alveolatus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 384, Ham. Gr. 



cbiromorphus, Hinde, 1879, Quar. Jour. 

 Geo. Soc. Lond., vol. 35, p. 381, Clin- 

 ton Gr. 



clintonensis, Hinde, 1879, Quar. Jour. 

 Geo. Soc. Lond., vol. 35, p. 381, Clin- 

 ton Gr. 



compactus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 384, Ham. Gr. 



contortus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 375, Hud. 

 Riv. Gr. 



coronatus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 381, Clin- 

 ton Gr. 



cristatus, Hinde, 1879, (Arabellites cris- 

 tatus), Quar. Jour. Geo. Soc, vol 35, 

 p. 378, Hud. Riv. Gr. 



digitatus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 376, Hud. 

 Riv. Gr. 



gracilis, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 376, Hud. 

 Riv. Gr. 



major, see Oenonites major. 



nanus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 384, Ham. Gr. 



palmatus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 384, Ham. Gr. 



perdentatus, see Lumbriconereites perden- 

 tatus. 



simplex, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 376, Hud. 

 Riv. Gr. 



tumidus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 384, Ham. Gr. 

 GiiYCERiTES, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lon., vol. 35, p. 380. [Ety. genus 

 Olycera ; lithos, stone.] Jaws consisting 

 of a simple curved book with a wide 

 base, without smaller teeth. Type G. 

 sulcatus. 



calceolus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 384, Clinton Gr. 



sulcatus, Hinde, 1879, Quar. Jour. Geo. 

 Soc. Lond., vol. 35, p. 380, Hud. 

 Riv. Gr. 



sulcatus, var. excavatus, Hinde, 1879, 

 Quar. Jour. Geo. Soc. Lond., vol. 35, p. 

 380, Hud. Riv. Gr. 

 Gordia marina, see Palaeochorda marina. 

 Gyriciinites, Whiteaves, 1883, Trans. Roy. 

 Soc. Can., p. 109. [Ety. gyros, a circle ; 

 ichnos a track.] Trails supposed to have 

 been made by an annelid. Type G. 

 gaspensis. 



gaspensis, Whiteaves, 1883, Trans. Roy. 

 Soc. Can., p. 109, Mid. Devonian. 

 Helminthoidichnites, Fitch, see Paheochorda. 



marina, see Paleeochorda marina. 



tenuis, see Palseochorda tenuis. 

 Lumbriconereites, Ehlers, 1868, Palseonto- 

 graphica, vol. 17, p. 159. [Ety. Lumbri- 

 conereis, a genus ; lithos, stone.] Distin- 

 guished from Eunicites by having a 

 well defined basal extension. Type L. 

 deperditus. 



