CRUSTACEA. 



215 



Crepicephalus, Owen, J.S52, Geo. Sur. Wis., 



Iowa & i\Iinn. [Ety. I:irpis, a horse- 

 shoe ; kephiile, head.] 

 niiniscaensis, Owen, ]85'2, Geo. Sur. Wis., 



Iowa & Minn., Potsdam Gr. [Ety. 



projier name.] 

 montanensJs,Wliit,fielil, l<s7(i, Rep. Recon. 



Up. Mo. to Yel. Nat. Tarli, I'otsdain 



(ir. [Ety. proper name.] 

 wisc(ni«iiij'iiiti>i, see Conocephalites wiscon- 



sinensis. 

 Cr!ljili:nit<, Green, ISriT, Jour. Aead. Nat. Si-i., 



vol. 7, syn. for I)ahnanites, This 



name has priority over Dalmcmitix, 



hut tlie delinition lias not given satis- 

 faction. 

 hoolhi, Green, 1837, Jour. Acad. Nat. Sci., 



voL 7. Sec Uabnanites hoothi. 

 callUehis, see L)alnianites calliteles. 

 gireiii, syn. for Dalmanites hoothi. 

 CryjilolHhiix, syn. for Trinucleus. 



lexsHaliis, see Trinucleus concentricus. 

 Cijhelr, Loven, l,H4.'i, in Ofversigt of Yelensk. 



Acad. Handl. 

 pitiicldlii, Hall, IS.i'i. This species lielongs 



to the genus Enn-in.iiiu.i, and tlie spe- 

 cific name being preoccupied, the 



name is changed tn pj. uriuiliix. 

 Cypiiaspis, Bunneister, 1843, Monograph of 



Trilobites. [Ety. ci/iihos, convex ; 



cispin, a shield.] 

 christyi, Hall, 18G3, Trans. Alb. Inst., 



vol. 4, Niagara Gr. [Ety. proi)er 



name.] 

 girardeauensis, Shumard, 185.5, Geo. Rej). 



Mo., Up. Sil. [Ety. proper name.] 

 Cytheke, Muller, 1785, Entoiuostraca sue 



Insecta, etc. [Ety. proper name.] 

 americana, Sliumard, 1858, Trans. St. 



Louis Acad. Si-\., Up. Coal Meas. 



[Ety. proper name.] 

 carbonaria. Hall, 1858, Trans. Alb. Inst., 



vol. 4, Warsaw Cir. [Sig. from the 



Carboniferous Group.] 

 cincinnatiensis. Meek, 1872, Proc. Acad. 



Nat. Sci., Cin'ti Gr. [Ety. proper 



name.] 

 crassimarginata, AVincbell, 1802, Proc. 



Acad. Nat. Sci., Marshall Gr. [Sig. 



thick-margined.] 

 nehrascensis, Geinitz, 1866, Carb. und 



Dyas in Neb., Coal Meas. [Ety. 



proper name.] 

 okeni, see Leperditia okeni. 

 simplex. White & St. John, 1868, Trans. 



Chi. Acad. Sci., St. Louis Gr. [Sig. 



simple.] 

 SKhLrvh, see Leperditia subhevis. 

 subrecta, see Leperditia subrecta. 

 Oytiibkina, Lamarck, 1818, Anini. sans 



Vert. [Ety. diminutive of Cytliere.] 

 alia, see Leperditia alta. 

 crenulata, Emmons, 1856, Am. Geol., 



Trenton Gr. [Sig. crenulated.] 

 cylindrica, see Isochilina cylindrica. 

 fabuLUes, see Leperditia fabulites. 



sjihiosa, Hall, 1852, see Beyrichia spinosa. 

 Not Reuss in 1844. 



tMibciiliiiih-ifd, EmnKins, l.S5(i, Am. (ieol., 

 Trenton Gr. [Sig. somewhat cylin- 

 drical.] This name was preoccupied 

 by Munster in ISIiO. 



subilliplica, Ennuons, 185(i, Am. Geol., 

 IJlacli Riv. Gr. [Sig. somewhat ellip- 

 tical.] 

 Cytueropsis, McCoy, 1K49, Ann. & Mag. 

 Nat. Hist., 2d scries, vol. 4. [Ety. 

 Cijth<'i'<iiixix, I'csembling Cythere,] 



concinna, Jones, 185S, Ann. Nat. Hist., 

 3nl series, vol. 1, l!lai-k Riv. Gr. [Sig. 

 neat, pretity.] In 1865 Jones estab- 

 lablished the genus Priinllia, in which 

 he included this species. 



rugiisa, Jones, 1858, Ann. Nat. Hist., :'>rd 

 series, vol. 1, Black Riv. Gr. [Sig. 

 wrinkled.] 



siliqua, Jones, 1858, ,\nn. Nat. Hist., 3d 

 series, vol. 1, Black Riv. Gr. [Sig. a 

 pod.] 

 DdhiKdiia, I'anmrich, 1845. This name hav- 

 ing been preoitcupicd, Dalmanites has 

 been substituted, though many au- 

 thors prefer to use Odniiloclnlc, a, name 

 proposed by Corda. 

 Dal-manitics, Emmridi, 1845. (Dahnania) 

 Barrande, 1852, Sil. Syst. Boh. [Ety. 

 proper name.] 



a<'antlioleurus, Conn.id, 1841, (Asaphus 

 acantholeurus) Ann. Rep. N. Y., On- 

 ondaga limestone. [Sig. smooth- 

 spined.] 



achates Billings, 1860, Can. Nat. & Geo., 

 vol. 5, Trenton (_lr. [Ety. mythologi- 

 cal name.] 



a;geria. Hall, 1861, 15th Reg. Rep. N. Y., 

 Up. Ilehl. Gr. [Ety. mythological 

 name.] 



anchiops, Green, 1832, (Calyinene anilii- 

 ops) Jlonograjih, Schohaiie grit. [Sig. 

 from tlie closeness of the eyes.] 



anchiops fiu-. armatus. Hall, 1861, 15th 

 Reg. Rep. N. Y'., Schoharie grit. [Sig 

 armed.] 



aspectans, Conrad, 1841, (Asaphus aspec- 

 tans) Ann. Rep. N. Y., Up. Held. Gr. 

 [Sig. seeing at a glance.] 



bebryx, Billings, 1860, Can. Nat. & (ieol., 

 vol. 5, Trenton Gi'. [Ety. mythologi- 

 cal name.] 



bifldus. Hall, 1862, 151 h Reg. Rep. N. Y., 

 Up. Pleld. Gr. [Sig. divided.] 



hoothi. Green, 1837, (Cryphfeus hoothi) 

 Jour. Acad. Nat. Sci., vol. 7, Ilani. Gr. 

 [Ety. proper name.] 



bicornis, Hall, 187(1, 28th Reg. Rep. N.Y., 

 Niagara Gr. [Sig. two-horneil.J 



l)ieviceps. Hall, 1S6I>, Pamplet, Cin'ti Gr. 

 [Sig. short-headed.] 



callicephalus. Hall, 1847, (Phacops calli- 

 cephalus) Pal. N. Y., vol. 1, Trenton 

 (.ir. [Sig. beautiful head.] 



calliteles, Green, 1837, (GryphEcus calli- 

 telus) Am. Jour. Sci. & Arts, Ham. Gr. 

 [Ety. proper name.] 



