518 



ANNELIDA. 



[nis. I.UM. 



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 ia preoccupied, when 

 Conchicplites 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- I 

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

 2, p. 184, Clinton Gr. tf 



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

 vol. 2, p. 98, Clinton Gr. j| 



flexuosus var. gracilis, Hall, 

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

 5, p. 155, Niagara Gr. dls\ans es 



nodosus Ringueberg, 1884, 



Proc. Acad. Nat. Sci., p. 149, Niagara Gr. 

 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, (Maohairodus 

 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 ; odous tooth.] Small, curved, 

 spinv-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, Ulrich, 1878, Jour. Cin. Soc. 

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

 rily denned. 



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, Palaeontographica, 

 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. 



chiromorphus, 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. 

 GLYCERITES, Hinde, 1879, Quar. Jour. Geo. 

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

 Glycera; lithos, stone.] Jaws consisting 

 of a simple curved hook with a wide 

 base, without smaller teeth. Type G. 

 sulcatus. 



calceolus, Hinde, 1879, Qnar. Jour. Geo. 

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



sulcatus, Hinde, 1879, Quar. Jour. G^o. 

 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 Palseochorda marina. 

 GYRICHNITES, AVhiteaves, 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 Pala'ochorda. 



marina, see Palseochorda marina. 



tenuis, see Paleeochorda tenuis. 

 LUMBRICONEREITES, Ehlers, 1868, Palaeonto- 

 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. 



