204 



LAMELLIBRANCHIATA. 



concava, Meek & Hayden, 1858, (Lyonsia 



concava) Trans. Alb. Inst., vol. 4, Coal 



Meas. [Sig. concave.] 

 divaricata. Hall & Whitfield, 1875, Ohio 



Pal., vol. 2, Cin'ti Gr. [Sig. from the 



diverging plications.] 

 (7) fragilis. Meek, 1872, Proc. Acad. Nat. 



Sci., Phil., Cin'ti Gr. [Sig. frail, easily 



broken.] 

 (?) neglecta. Meek, 1872, Proc. Acad. Nat. 



Sci. Phil., Cin'ti Gr. [Sig. neglected, 



overlooked.] 

 subarcuata, Meek & Worthen, 1865, Proc. 



Acad. Nat. Sci. Phil., Keokuk Gr. 



[Sig. somewhat arched.] 

 topekaensis, Shumard, 1858, (Leptodo- 



mus topekaensis) Trans. St. Louis 



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



name.] 

 Solemya, Lamarck, 1818, Hist. Nat. An. sans 



Vert., vol. 5. See Solenomya — the 



correct orthography, first used by 



Menke, 1828, Syn. Meth. Edit. 

 SoLEN, LinnMUS, 1758, Syst. Nat., 10th ed. 



[Ety. Solen, a tube or pipe.] 

 scalpriformis, Winchell, 1862, Proc. Acad. 



Nat. Sci., Marshall Gr. [Sig. lancet- 

 shaped.] 

 missouriensis, see Sanguinolites missouri- 



ensis. 

 permianus, Swallow, 1858, Trans. St. 



Louis Acad. Sci., Permian Gr. [Ety. 



proper name.] 

 prisons, Winchell, 1862, Proc. Acad. Nat. 



Sci., Portage Gr. [Sig. ancient.] 

 quadrangularis, Winchell, 18(i2, Proc. 



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



quadrangular.] 

 SoLBNOMYA, Lamarck, 1818, (Solemya) Hist. 



Nat. Anim. sans Vert., vol. 5. [Ety. 



from the resemblance to tlie two 



genera Solen and Mya.J 

 anodontoides. Meek, 1875, Ohio Pal., vol. 



2, Coal Meas. [Sig. like a shell of the 



genus Anodonta.} 

 hiarmica, Verneuil, 1845, Geo. Puss, and 



Ural Mountains, Permian Gr. This 



species has not been satisfactorily 



identified in this country, 

 radiata. Meek & Worthen, 1860, (Solemya 



radiata) Proc. Acad. Nat. Sci. Phil., 



Coal Meas. [Sig. radiated.] . 

 recurvata. Swallow, 1858, Trans. St. Louis 



Acad.' Sci., Up. Coal Meas. [Sig. 



curved backward.] 

 Boleniformis, Cox, 1857, Geo. Sur. Kj-., 



vol. 3, Coal Meas. [8ig. like a shell of 



the genus Soleii.l 

 vetusta, Meek, 1871, Proc. Acad. Nat. Sci. 



Phil.,Corniferous Gr. [Sig. ancient.] 

 SoLENOPSis, McCoy, 1844, Carb. Foss. Ire- 

 land. [Ety. Solenopsis, resembling a 



shell of the genus Solen.'] 

 solenoides, Geinitz, 1866, (Clidophorus 



solenoides) Carb. und Dyas in Neb., 



Coal Meas. [Sig. like a shell of the 



genus Solm.} 



Stheblopteeia, McCoy, 1851, Ann. Mag. 



Nat. Hist., 2d series, vol. 7. [Ety. 



streblos, turned the wrong way ; pteron, 



a wing.] 

 tenuilineata, Meek & Worthen, 1860, 



(Pecten tenuilineatus) Proc. Acad. 



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

 lined.] 

 Tellina, Linnaeus, 1758, Syst. Nat., 10th ed. 



[Ety. telline, a sort of mussel.] This 



genus is unknown in the palaeozoic 



ropKS 

 (?) ovata, Hall, 1843, Geo. Rep. 4th Dist. 



N. Y., Ham. Gr. Syn. for Palseoneilo 



maxima. 

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



[Ety. from a resemblance to the genera 



Tellina and My a.] 

 abrupta, Billings, 1862, (Ctenodonta ab- 



rupta) Pal. Foss., vol. 1, Black River 



Gr. [Sig. abrupt.] 

 sequilatera. Hall, 1852, Pal. N. Y., vol. 2, 



Coralline limestone. [Sig. equal- 

 sided.] 

 alta, Hall, 1861, Geo. Rep. Wis., Trenton 



Gr. [Sig. high.] 

 anaiiniformis, see Pterotheca anatini- 



formis. 

 angela, Billings, 1865, (Ctenodonta an- 



gela) Pal. Foss., vol. 1, Quebec Gr. 



[Ety. proper name.] 

 angustata, Hall, 1860, Can. Nat. & Geo., 



vol. 5, Low. Sil. [Sig'. niirrowed.] 

 astartiformis, Salter, 1859, (Ctenodonta 



astarfeeformis) Can. Org. Rem., De- 

 cade 1, Black Riv. Gr. [Ety. like an 



Astarie.J 

 attenuata. Hall, 1860, Can. Nat. & Geo., 



vol. 5, Silurian. [Sig. attenuated.] 

 contracta, Salter, 18.59, (Ctenodonta con- 



tracta) Can. Org. Rem., Decade 1, 



Black Riv. & Trenton Gr. [Sig. con- 



curta. Hall, 1852, Pal. N. Y., vol. 2, Clin- 

 ton Gr. [Sig. short.] 



donaciformis, Hall, 1847, Pal. N. Y., vol. 

 1, Trenton Gr. [Sig. Hke a shell of 

 the genus Donax.~\ 



dubia. Hall, 1847, Pal. N. Y., vol. 1, Black 

 Riv. & Trenton Gr. [Sig. doubtful,] 



elliptica. Hall, 1852, Pal. N. Y., vol. 2, 

 Clinton Gr. [Sig. elliptical.] 



gibberula, Salter, 1859, (Ctenodonta gib- 

 berula) Can. Org. Rem., Decade 1, 

 Black Riv. & Trenton Gr. [Sig. a 

 little hunch-backed.] 



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

 Black Riv. & Trenton Gr. [Sig. 

 gibbous.] 



hartsvillensis, Safford, 1859, (Ctenodonta 

 hartsvillensis) Geo. of Tenn., Nash- 

 ville Gr. [Ety. proper name.] 



hilli, S. A. Miller, 1874, Cin. Quar. Jour. 

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



inflata. Hall, 1861, Geo. Rep. AVis., Tren- 

 ton Gr. [Sig. inflated.] 



