LAMELLIBRANCHIATA. 



203 



cuneatuB, Conrad,1838, (Pterinea cuneata) 



Ann. Rep. N. Y., Ham. Gr. [Sig. 



wedge-shaped.] 

 cylindricus, Winchell, 1863, Proc. Acad. 



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

 drical.] 

 flavius, Hall, 1870, Prelim. Notice Lam 



shells, Waverly Gr. [Ety. proper 



name.] 

 glaucus, Hall, 1870, Prelim. Notice Lam. 



shells, Ham. Gr. [Ety. mythological 



name.] 

 hamiUonenm, see Goniophora hamilton- 



ensis. 

 ida, Hall, 1870, Prelim. Notice Lam. 



shells, Ham. Gr. [Ety. mythological 



name.] 

 iowensis, Winchell, 1863, Proc. Acad. 



Nat. Sci., Chemung Gr. [Ety. proper 



name.] 

 jejunus, Winchell, 1863, Proc. Acad. Nat. 



Sci., Chemung Gr. [Sig. scanty, poor.] 

 marshallensis, Winchell, 1862, Proc. Acad. 



Nat. Sci., Marshall Gr. [Ety. proper 



name.] 

 missouriensis. Swallow, 1860, (Solen (?) 



missouriensis) Trans. St. Louis Acad. 



Sci., Low. Carh. [Ety. proper name.] 

 nasutus. Meek, 1871, Am. Jour. Conch., 



vol. 7, Low. Carb. [Sig. having a 



prominent nose.] 

 obliquus. Meek, 1871, Proc. Acad. Nat. 



Sci., Waverly Gr. [Sig. oblique.] 

 perangulatus, Hall, 1870, Prelim. Notice 



Lam. shells, Schoharie grit. [Sig. very 



angular.] 

 ponderosus. Hall, 1870, Prelim. Notice 



Lam. shells. Up. Held. Gr. [Sig. 



bulky, heavv.] 

 rigidus, White & Whitfield, 1862, (Cypri- 



cardia rigidi) Proc. Best. Soc. Nat. 



Hist., Kinderhook Gr. [Sig. rigid.] 

 sanduskyensis, Meek, 1871, Proc. Acad. 



Nat. Sci., Corniferous Gr. [Ety. proper 



name.] 

 solenoides, Hall, 1870, Prelim. Notice 



Lam. shells. Ham. Gr. [Sig. like a 



shell of the genus Solen.] 

 strigatus, Winchell, 1865, Proc. Acad. 



Nat. Sci., Chemung Gr. [Sig. fur- 

 rowed.] 

 subtortuosus, Hall, 1870, Prehm. Notice 



Lam. shells. Ham. Gr. [Sig. some- 

 what twisted.] 

 sulcifer, Winchell, 1866, Pep. Low Pen- 

 insula Mich., Ham. Gr. [Sig. bearing 



furrows.] 

 tethvs, Billings, 1874, Pal. Foss., vol. 2, 



Devonian. [Ety. mythological name.] 

 truncatus, Conrad, 1842, (Cypricardites 



truncatus) Jour. Acad. Nat. Sci., vol. 



8, Ham. Gr. [Sig. truncated.] 

 undatus, Hall, 1870, Prelim. Notice Lam. 



shells, Chemung Gr. [Sig. wavy.] 

 unioniformis, Winchell, 1862, Proc. 



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



like a shell of the genus Unio.'] 



valvulus. Hall, 1870, Prelim. Notice Lam. 



shells, Waverly Gr. [Sig. having 



small valves, a pod.] 

 ventricosus. White & Whitfield, 1862, 



Proc. Bost. Soc. Nat. Hist., Chemung 



and Kinderhook Gr. [Sig. ventricose.] 

 ScHizoDiis, King, 1844, Ann. Mag. Nat. Hist., 



vol. 14. [Ety. schizo, I split ; ocUms, a 



tooth.] 

 amplus. Meek & Worthen, 1870, Proc. 



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



full, large.] 

 appressus, see Cytherodon appressus. 

 cayuga, Hall, 1870, Prelim. Notice Lam. 



shells. Ham. Gr. [Ety. proper name.] 

 chemungensis, Conrad, 1842, (Nuculites 



chemungensis) Jour. Acad. Nat. Sci., 



vol. 8, Chemung Gr. [Ety. proper 



name.] 

 chesterensis. Meek & Worthen, 1865, 



Proc. Acad. Nat. Sci. Phil., Chester 



Gr. [Ety. proper name.] 

 cuneatus. Meek, 1875, Ohio Pal., vol. 2, 



Coal Meas. [Sig. wedge-shaped.] 

 curtus. Meek & Worthen, 1866, Proc. Chi. 



Acad. Sci., Coal Meas. [Sig. short.] 

 ellipticus. Hall, 1870, Prelim. Notice Lam. 



shells. Ham. Gr. [Sig. elliptical.] 

 gregarius. Hall, 1870, Prelim. Notice Lam. 



shells, Ham. Gr. [Sig. gregarious.] 

 medinaensis. Meek, 1871, Proc. Acad. Nat. 



Sci. Phil., vol. 23, Waverly Gr. [Ety. 



proper name.] 

 oblatus. Hall, 1870, Prelim. Notice Lam. 



shells, Chemung Gr. [Sig. oblate.] 

 ohacurus, see Schizodus wheeleri. 

 ovatus. Meek & Hayden, 1858, (Axinus 



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



Permian Gr. [Sig. ovate.] 

 perelegans. Meek & Worthen, 1870, Proc. 



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



very elegant.] 

 quadrangularis. Hall, 1870, Prelim. Notice 



Lam. shells, Chemung Gr. [Sig. 



quadrangular.] 

 rhombeus. Hall, 1870, Prelim. Notice 



Lam. shells, Ham. Gr. [Sig. rhomb- 

 shaped.] 

 rossicus, Verneuil, 1845, Geo. Russ., vol. 



2, Permian Gr. [Ety. proper name.] 

 triangularis. Swallow, 1858, Trans. St. 



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



triangular.] 

 turmdm, see Cytherodon tumidus. 

 wheeleri, Swallow, 1862, (Oypricardia (?) 



wheeleri) Trans. St. Louis. Acad. Sci., 



Coal Meas. [Ety. proper name.] 

 Sedgwickia, McCoy, 1844, Synop. Carb. Foss. 



Ireland. [Ety. proper name.] 

 altirostrata. Meek & Hayden, 1858, (Al- 



lorisma (?) altirostrata) Proc. Acad. 



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



(?) compressa. Meek, 1872, Proc. Acad; 

 Nat. Sci. Phil., Cin'ti Gr. [Sig. com. 

 pressed.] 



