PISCES. 



robustus, Newberry, 1857, Proc. Acad. 

 Nat. Sci. Phil., vol. 8, Coal Meas. [Sig. 

 robust.] 

 CoMPSACANTHUS, Newberry, 1857, Proc. Acad. 

 Nat. Sci., vol. 8. [Ety. compsos, ele- 

 gant ; akantha, a spine.] 



hevis, Newberry, 1857, Proc. Acad. Nat. 

 Sci. Phil., vol. 8, Coal Meas. [Sig. 

 smooth.] 



Coiichiopsis, syn. for Coelacanthus. 



anyulifei-us, syn. for Coelacanthus elegans. 

 e.vanfhematiciis, syn. for Peplorhina an- 



thracina. 

 filifei-us, syn. for Coelacanthus elegans. 

 CoNCHODUS, McCoy, 1848, Ann. & Mag. Nat. 



Hist., 2d ser., vol. 2. [Ety. conchos, a 



shell ; odom, a tooth.] 

 plicatus, Dawson, 18(58, Acad. Geol., Coal 



Meas. [Sig. plicated.] 

 Ctenacanthus, Agassiz, 1837, Recherches 



sur les Poissons Fossiles. [Ety. ktenos, 



a comb; akantha, a spine.] 

 angulatus, Newberry & Worthen, 1866, 



Geo. Sur. 111., vol. 2, Chester Gr. [Sig. 



angular.] 

 burlingtonensis, St. John & Worthen, 



1875, Geo. Sur. 111., vol. 6, Burlington 



Gr. [Ety. proper name.] 

 costatus, Newberry & Worthen, 1866, 



Geo. Sur. 111., vol. 2, St. Louis, Gr. 



[Sig. ribbed.] 

 elegans, Tuomey, 1858, Geo. Ala., Low. 



Carb. [Sig. elegant.] 

 excavatus, St. John & Worthen, 1866, 



Geo. Sur. 111., vol. 6, Keokuk Gr. 



[Sig. excavated.] 

 formosus, Newberry, 1873, Ohio Pal., vol. 



1, Waverly Gr. [Sig. beautiful.] 

 furcicarinatus, Newberry, 1875, Ohio Pal., 



vol. 2, AVaverly Gr. [Sig. forked and 



keeled.] 

 gemmatus, St. John & Worthen, 1875, 



Geo. Sur. 111., vol. 6, St. Louis Gr. 



[Sig. having buds.] 

 gracillimus, Newberry & Worthen, 1866, 



Geo. Sur. 111., vol. 2, St. Louis Gr. 



[Sig. very slender.] 

 grado-costatus, St. John & Worthen, 1875, 



Geo. Sur. 111., vol. 6, Burlington Gr. 



[Sig. having steps and ribs.] 

 keokuk, St. John & Worthen, 1875, Geo. 



Sur. 111., vol. 6, Keokuk Gr. [Ety. 



proper name.] 

 marshi, Newberry, 1873, Ohio Pal., vol. 1, 



Coal Meas. [Ety. proper name.] 

 mayi, Newberry & Worthen, 1866, Ohio 



Pal., vol. 1, Burlington Gr. [Ety. 



proper name.] 

 parvulus, Newberry, 1875, Ohio Pal., vol. 



2, Cleveland shale. [Sig. very small.] 

 pugiunculus, St. John & Worthen, 1875, 



Geo. Sur. 111., vol. 6, St. Louis Gr. 

 [Sig. a small dagger.] 

 sculptus, St. John & Worthen, 1875, Geo. 

 Sur. Ill, vol. 6, Kinderhook Gr. [Sig. 

 engraved.] 



similis, St. John & Worthen, 1875,'Geo. 



Sur. 111., vol. 6, Chester Gr.^[Sig. 



similar.] 

 speciosus, St. John & Worthen, 1875, 



Geo. Sur. 111., vol. 6, Kinderhook Gr. 



[Sig. beautiful.] 

 spectabilis, St. John & Worthen, 1875, 



Geo. Sur. 111., vol. 6, Kinderhook Gr. 



[Sig. remarkable.] 

 triangularis, Newberry, 1873, Ohio Pal., 



vol. 1, Waverly Gr. [Sig. triangular.] 

 varians, St. John & Worthen, 1875, Geo. 



Sur. 111., vol. 6, Kinderhook Gr. [Sig. 



variable.] 

 vetustus, Newberry, 1873, Ohio Pal., vol. 



1, Portage Gr. [Sig. ancient.] 

 Ctenodus, Agassiz, 1838, Recherches sur les 



Poissons Fossiles. [Ety. ktenos, a 

 comb ; odous, a tooth.] 



ohioensis. Cope, 1874, Proc. Acad. Nat. 

 Sci. Phil., Coal Meas. [Ety. proper 

 name.] 



reticulatus, Newberry, 1875, Ohio Pal., 

 vol. 2, Coal Meas. [Sig. like net- 

 work.] 



serratus, Newberry, 1875, Ohio Pal., vol. 



2, Coal Meas. [Sig. saw-edged, ser- 

 rated.] 



Ctenopetalus, Agassiz, 1869, Catal. Foss. 



Fish, Collection of Earl of Enniskillen. 



[Ety. ktenos, a comb ; petalos, broad, 



full gi'own.] 

 bellulus, St. John & Worthen, 1875, Geo. 



Sur. Ill, vol. 6, St. Louis Gr. [Sig. 



very beautiful.] 

 limatulus, St. John & Worthen, 1875, Geo. 



Sur. 111., vol. 6, Chester Gr. [Sig. like 



a little file.] ^ 



medius, St. John & Worthen, 1875, Geo. 



Sur. 111., vol. 6, Chester Gr. [Sig. 



intermediate.] 

 occidentalis, St. John & Worthen, 1875, 



Geo. Sur. 111., vol. 6, Coal Meas. [Sig. 



western.] 

 vinosus, St. John & Worthen, 1875, Geo. 



Sur. 111., vol. 6, Keokuk Gr. [Sig. 



full of wine.] 

 Ctenoptychius, Agassiz, 1838, Recherches 



sur les Poissons Fossiles. [Ety. kt-enos, 



a comb ; ptyche, a wrinkle.] 

 cristatus, Dawson, 186 8, Acad. Geol., 



Coal Meas. [Sig. tufted.] 

 pertenuis, St. John & Worthen, 1875, 



Geo. Sur. 111., vol. 6, Chester Gr. 



[Sig. very slender.] 



semicircularis, Newberry & Worthen, 



1866, Geo. Sur. I]l., vol. 2, Coal Meas. 



[Sig. half-circular.] 

 stevensoni, St. John & Worthen, 1875, 



Geo. Sur. 111., vol. 6, Coal Meas. [Ety. 



proper name.] 

 Cyrtacanthus, Newberry, 1873, Ohio Pal., 



vol. 1. [Ety. kurtos, curved; akantha^ 



a spine.] 

 Fdentatus, Newberry, 1873, Ohio Pal., vol. 



1, Corniferous Gr. [Sig. toothed.] 



