PISCES. 



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



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



mythological name.] 

 decussatus, St. John & Worthen, 1875, 



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



[Sig. arranged in pairs that alternately 



cross each other.] 

 elegantulus, Newberry & Worthen, 1866, 



Geo. Sur. 111., vol. 2, Burlington Gr. 



[Sig. very elegant.] 

 fastigiatus, St. John & Worthen, 1875, 



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



[Sig. pointed.] 

 major, St. John & Worthen, 1875,Geo. Sur. 



111., vol. 6, Burlington Gr. [Sig. large.] 

 mammillaris, Newberry & Worthen, 1866, 



Geo. Sur. 111., vol. 2, Keokuk Gr. 



[Sig. pap-shaped.] 

 minusculus, see Desmiodus minusculus. 

 minutus, Newberry & Worthen, 1866, 



Geo. Sur. 111., vol. 2, Keokuk Gr. 



[Sig. very small.] 

 multicarinatus, Newberry & Worthen, 



1866, Geo. Sur. 111., vol. 2, Kinderhook 



Gr. [Sig. many-keeled.] 

 neglectus, St. John & Worthen, 1875, 



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



[Sig. overlooked.] 

 ornatus, Newberry & Worthen, 1866, Geo. 



Sur. 111., vol. 2, Keokuk Gr. [Sig. 



ornamented.] 

 parallelus, St. John & Worthen, 1875, 



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



[Sig. parallel.] 

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



Sur. 111., vol. 6, St. Louis Gr. [Sig. 



very small.] 

 plicatus, Newberry & Worthen, 1866, Geo. 



Sur. 111., vol. 2, St. Louis Gr. [Sig 



folded.] 

 tuberculatus, Newberry & Worthen, 1866, 



Geo. Sur. 111., vol. 2, Burlington Gr. 



[Sig. tuberculated.] 

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



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



turgid, swollen out.] 

 variabilis, Newberry, 1875, Ohio Pal., vol. 



2, Waverly Gr. [Sig. variable.] 

 variocostatus, St. John & Worthen, 1875, 



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



[Sig. variably ribbed.] 

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



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



proper name.] 

 Orthacanthus, Agassiz, 1843, Poiss. Foss., 



vol. 3. [Ety. orthos, straight ; akantha, 



spine.] 

 arcuatus, Newberry, 1857, Proc. Acad. 



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



bent, bow-shaped.] 

 gracilis, Newberry, 1875, Ohio Pal., vol. 



2, Coal Meas. [Sig. slender.] 

 PALiEONiscus, Agassiz, 1833, Recherches sur 



les Poissons Fossiles. [Ety. palaios, 



ancient; oniscus, a wood louse.] 

 alberti, Jackson, 1851, Rep. on the Albert 



Coal Mine, New Brunswick, Coal 



Meas. [Ety. proper name.] 



brainardi, Thomas, 1853, Bost. Soc. Nat. 



Hist., vol. 4, Ohio Pal., vol. 1, Berea 



grit. [Ety. proper name.] 

 browni, Jackson, 1851, Rep. on Albert 



Coal Mine, Coal Meas. [Ety. proper 



name.] 

 cairnesi, Jackson, 1851, Rep. on Albert 



Coal Mine, New Brunswick, Coal 



Meas. [Ety. proper name.] 

 gracilis, Newberry & Worthen, 1870, Geo. 



Sur. 111., vol. 4, Coal Meas. [Sig. 



slender.] 

 leidyanus, Lea, 1852, Jour. Acad. Nat. 



Sci., 2d series, vol. 2, Coal Meas. [Ety. 



proper name.] 

 peltigerus, Newberry, 1857, (Elonichthys 



peltigerus) Proc. Acad. Nat. Sci., vol. 



8, Coal Meas. [Sig. bearing a small 



shield.] 

 scutigerus, Newberry, 1857, Proc. Acad. 



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



shield-bearing. ] 

 Peltodus, Newberry & Worthen, 1870, Geo. 



Sur. 111., vol. 4. [Ety. pelte, a half- 

 moon shield ; odous, a tooth.] 

 plicomphalus, St. John & Worthen, 1875, 



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



folded in the middle.] 

 quadratus, St. John & Worthen, 1875, 



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



[Sig. square-shaped.] 

 transversus, St. John & Worthen, 1875, 



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



crosswise.] 

 unguiformis, Newberry & Worthen, 1870, 



Geo. Sur. 111., vol. 4, Coal Meas. [Sig. 



claw-shaped.] 

 Peploehina, Cope, 1873, Proc. Acad. Nat. 



Sci. Phil. [Ety. peplos, a robe ; Rhine, 



a kind of dog-fish.] 

 anthracina, Cope, 1873, Proc. Acad. Nat, 



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



coal.] Prof. Newberry says this species 



is an amphibian and not a fish. 

 Periplectrodus, St. John & Worthen, 1875, 



Geo. Sur. 111., vol. 6. [Ety. peri, near 



by; Plectrodw, a genus of fish.] 

 compressus, St. John & Worthen, 1875, 



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



[Sig. compressed.] 

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



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



expanded.] 

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



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



proper name.] 

 Petalodus, Owen, 1840, Odontography. 



[Ety. petalos, spread out; odous, a 



tooth.] 

 alleghaniensis, Leidy, 1856, Jour. Acad. 



Nat. Sci., 2nd series, vol. 3, Coal Meas. 



[Ety. proper name.] 

 curtus, Newberry & Worthen, 1866, Geo. 



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



short.] 

 destructor, Newberry & Worthen, 1866, 



Geo. Sur. 111., vol. 2, Coal Meas. [Sig. 



a destroyer.] 



