CETJSTACEA. 



213 



Calymene, Brongniart, 1822, Hist. Nat. 



Crust. Foss. [Ety. kehalymenos, con- 

 cealed.] 

 anchiops, see Dalmanites, ancliiops. 

 becki, see Triarthrus becki. 

 blumenbachi, Brongniart, 1822, Hist. Nat. 



Crust. Foss., Niagara Gr. [Ety. proper 



name.] 

 bucklandi, syn. for Ceraurus pleurexan- 



themus. 

 bufo, see Phacops bufo. 

 callicephala. Green, 1832, Monograph 



Trilobites, Cin'ti Gr. [Sig. beautiful 



head.] 

 camerata, Conrad, 1842, Jour. Acad. Nat. 



Sci., vol. 8, Coralline limestone. [Sig. 



christyi. Hall, 1860, 13th Reg. Rep. N.Y., 

 Cin'ti Gr. [Ety. proper name.] 



clintoni, Vanuxem, (Hemicrypturus clin- 

 toni) Geo. Rep. 3rd Dist. N. Y., Clin- 

 ton Gr. [Ety. proper name.] 



crasdmarginata, see Prcetus crassimargi- 

 natus. 



mammillata, Hall, 1861, Geo. Rep. Wis., 

 Trenton Gr. [Sig. covered with nip- 

 ples.] 



marginalis, see Projtus marginalis. 



multicosta, Hall, 1847, Pal. N. Y., vol. 1, 

 Trenton Gr. [Sig. having many ribs.] 



niagarensis. Hall, 1843, Geo.Rep. 4th Dist. 

 N. Y., Niagara Gr. [Ety. proper 

 name.] This is the American variety 

 of C. blumenbachi. 



nupera, see Phacops nuperus. 



odontocephala, syn. for Dalmanites selenu- 

 rus. 



phlyctairwdes, see Arges phlyctainodes. 



platys. Green, 1832, Monograph of Trilo- 

 bites, Schoharie grit. [Sig. broad.] 



rowii, see Proetus rowii. 



rugosa, Shumard, 1855, Geo. Rep. Mo., 

 Low. Held. Gr. [Sig. wrinkled.] 



senaria, Conrad, 1841, Ann. Rep. N. Y., 

 Trenton & Hud. Riv. Gr. [Sig. is 

 said to be in allusion to six tubercles 

 on the buckler, but the application is 

 not evident.] It is a syn. for C. calli- 

 cephala. 



»piiiifera. Not defined. 



trisulcata. Hall, 1843, Geo. Rep. 4th Dist. 

 N. Y., Clinton Gr. [Sig. three-fur- 

 rowed.] 

 Ceratiocakis, McCoy, 1849, Ann. & Mag. 

 Nat. Hist., 2d ser., vol. 4. [Ety. kera- 

 tirni, a pod ; kai-is, shrimp.] 



aculeata, Hall, 1859, Pal. N. Y., vol. 3, 

 Waterlime Gr. [Sig. armed with 

 sharp points.] 



acuminata. Hall, 1859, Pal. N. Y., vol. 

 3, Waterlime Gr. [Sig. sharp-pomted.] 



armata, Hall, 1863, 16th Reg. Rep. N. 

 Y., Ham. Gr. [Sig. armed.] 



bradleyi. Meek, 1872, Proc. Acad. Nat. 

 Sci. Phil., Low. Carb. [Ety. proper 

 name.] 



deweyi. Hall, 1859, (Onchus deweyi) Pal. 

 N. Y., vol. 2, Niagara Gr. [Ety. 

 proper name.] 



elytroides. Meek, 1872, Proc. Acad. Nat. 

 Sci. Phil., Low. Carb. [Sig. like the 

 elytra of Beetles.] 



longicauda. Hall, 1863, 16th Reg. Rep. 

 N . Y., Genesee slate. [Sig. long- 

 tailed.] 



maccoyana. Hall, 1859, Pal. N. Y., vol. 

 3, Waterlime Gr. [Ety. proper name.] 



punctata. Hall, 1803, J 6th Reg. Rep. N. 

 Y., Ham. Gr. [Sig. punctured.] 



sinuata. Meek & Worthen, 1868, Am. 

 Jour. Sci., vol. 46, Coal Meas. [Sig. 

 marked with depressions.] 



Btrigata, Meek, 1872, Proc. Acad. Nat. 

 Sci. Phil., Low. Carb. [Sig. furrowed, 

 grooved.] 

 Ceraloceplmla, Warder. Not defined so as to 

 be recognized. 



ceralepta, Anthony, a fragment of the tail 

 of a Ceraurus pleurexaniliemus or of an 

 Acidaspis. 



goniata, Warder, a fragment of a Dalman- 

 ites or an Acidaspis. 

 Ceraurus, Green, 1832, Monograph Trilob- 

 ites. [Ety. keras, a horn; oura, the 

 tail.] 



apollo, Billings, 1860, Can. Nat. & Geol., 

 vol. 5, Quebec Gr. [Ety. mythological 

 name.] 



bimucronatus, see Ceraurus niagarensis. 



erosotus, see Acidaspis crosotus. 



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

 vol. 5, Quebec Gr. [Ety. mythologi- 

 cal name.] 



glaucus, Billings, 1865, Pal. Foss., Quebec 

 Gr. [Ety. mythological name.] 



icarus, Billings, 1850, Can. Nat. & Geol., 

 vol. 5, Hud. Riv. Gr. [Ety. mytho- 

 logical name.] 



insignis, see Ceraurus niagarensis. 



mercurius, Billings, 1865, Pal. Foss., Que- 

 bec Gr. [Ety. mythological name.] 



niagarensis. Hall, 1867, 20th Reg. Rep., 

 Niagara Gr. [Ety. proper name.] 



numitor, Billings, 1866, Catal. Sil. Foss. 

 Antic, Hud. Riv. Gr. [Ety. mytho- 

 logical name.] 



nuperus, Billings, 1860, Catal. Sil. Foss. 

 Antic, Anticosti Gr. [Sig. late, re- 

 cent.] 



perforator, Billings, 1805, Pal. Foss., Que- 

 bec Gr. [Sig. a borer through.] 



pleurexanthemus, Green, 1832, Monog. 

 Trilobites, Trenton and Hud. Riv. Gr. 

 [Ety. pleura, a side ; exanihema, break- 

 ing out.] 



polydorus, Billings, 1805, Pal. Foss., Que- 

 bec Gr. [Ety. mythological name.] 



pompilius, Billings, 1865, Pal. Foss., 

 Chazy & Black Riv. Gr. [Ety. proper 

 name.] 



prolificus, Billings, 1865, Pal. Foss., Que- 

 bec Gr. [Sig. prolific, common.] 



pustuhms, syn. for Ceraurus pleurexan- 

 themus. 



