LAMELLIBEANCHIATA. 



193 



Leda, Schumacher, 1817, syn. for Nuculana. 



barrisi, see Palajoneilo barrisi. 



beVistriata, see Nuculana bellistriata. 



brevirostris, see Nuculana brevirostris. 



curta, see Nuculana curta. 



dens-mamillata, see Nuculana dens-mam- 

 illata. 



gibbosa, see Yoldia gibbosa. 



knoxensis, see Yoldia knoxensis. 



UviMriata, see Yoldia levistriata. 



nuculiformis, see Nuculana nuculiformis. 



oweni, see Yoldia oweni. 



pandori/ormis, see Nuculana pandori- 

 forniis. 



polita, see Nuculana polita. 



rusliemis, see Yoldia rushensis. 



saccata, see Nuculana saccata. 



subscUula, see Yoldia subscitula. 

 Leioptbris, Hall, 1877, Pal. N. Y., vol. 5. 

 [Ety. lews, smooth ; pteron, a wing.] A 

 proposed genus in the family Aviculidie. 

 Leptodomus, McCoy, 1844, Synopsis Carb. 

 Foss. Ireland. [Ety. leptos, slender; 

 domus, house.] 



arata, Hall, 1860, Can. Nat. & Geo., vol. 

 5, Silurian. [Sig. furrowed.] 



canadensis, Billings, 1874, Pal. Foss., vol. 

 2, Devonian. [Ety. proper name.] 



clavata, Winchell, 1862, Proc. Acad. Nat. 

 Sci., Portage Gr. [Sig. club-shaped.] 



granosus, see Allorisma granosum. 



Uypekaensis, see Sedgwicliia topekaensis. 

 Lima, Brugueire, 1791, Encycl. Meth. and 

 Deshayes, 1824, Descrip. de Coquilles 

 fossiles des environs de Paris. [Ety. 

 lima, a file.] 



glabra, see Pernopecten glaber. 



macroptera, see Limoptera macroptera. 



obsoleta, see Pernopecten obsoletus. 



retifera, Shumard, 1858, Trans. St. Louis 

 Acad. Sci., Coal Meas. [Sig. net- 

 bearing.] 



rugxstriata, see Aviculopeeten rugsestri- 

 atus. 

 Limoptera, Hall, 1870, Prelim. Notice Lam. 

 shells. Up. Held. Gr. [Ety. lAma, a 

 genus of shells ; pteron, a wing.] 



cancellata, Hall, 1870, Prelim. Notice Lam. 

 shells.TJp. Held. Gr. [Sig. cancellated.] 



curvata, Hall, 1870, Prelim. Notice Lam. 

 shells. Ham. Gr. [Sig. curved.] 



macroptera, Conrad, 1838, (Lima macrop- 

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

 long-winged.] 



obsoleta. Hall, 1870, Prelim. Notice Lam. 

 shells. Ham. Gr. [Sig. obsolete.] 



pauperata, Hall, 1870, Prelim. Notice 

 Lam. shells,Up. Held. Gr. [Sig. poor.] 



triquetra, Conrad, Ham. Gr. [Sig. a 

 triangle.] 

 LiTHOPHAGA, Lamarck, 1812, Hist. An. sans 

 Vert. [Ety. Kthos, stone; phago, I eat.] 



lingualis, Phillips, 1836, (Modiola lin- 

 gualis) Geol. Yorkshire, vol. 2, Keo- 

 kuk Gr. [Sig. tongue-like.] 



pertenuis. Meek & Worthen, 1865, Proc. 

 Acad. Nat. Sci. Phil., St. Louis Gr. 

 [Sig. very slender.] 



LuoiNA, Bruguiere, 1792, Encyclop. Meth. 



[Ety. mythological name.] 

 eUiptica, see Paracyclas elliptica. 

 elhpiica var. occickntalis, see Paracyclas 



elliptica var. occidentalis. 

 hamiltonensis, Winchell, 1866, Pep. Low. 



Peninsula Mich., Ham. Gr. [Ety. 



proper name.] 

 lirata, see Paracyclas lirata. 

 occidentalis, Billings, 1859, Assiniboine & 



Saskatchewan Ex. Exped., Devonian. 



This name was preoccupied by Con- 

 rad for an Eocene species. 

 ohioerms, see Paracyclas ohioensis. 

 retusa. Hall, 1843, Geo. Rep. 4fh Dist. 



N. Y., Portage Gr. [Sig. blunt.] 

 LuNULACARDiuM, Munster, 1840, Beitrage 



zur Petrefaktenkunde. [Ety. lunula, 



a little moon; Cardium, a genus of 



shells.] 

 acutirostrum. Hall, 1843, (Pinnopsis acu- 



tirostra) Geo. Kep. 4th Dist. N. Y., 



Portage Gr. [Sig. acute-beaked.] 

 curtum. Hall, 1870, Prelim. Notice Lam. 



shells. Up. Held. Gr. [Sig. short.] 

 fragilis. Hall, 1877, Pal. N. Y., vol. 5, 



Ham. Gr. [Sig. frail.] 

 marcellense, Vanuxem, 1843, (Cypricar- 



dites marcellensis) Geo. Rep. 3rd Dist. 



N. Y., Marcellus shale. [Ety. proper 



name.] 

 ornatum. Hall, 1843, (Pinnopsis ornata) 



Geo. Rep. 4th Dist. N. Y., Portage Gr. 



[Sig. adorned.] 

 Lyonda, Turton, 1822. Not found in palajo" 



zoic rocks. 

 concava, see Sedgwickia concava. 

 Lyriopecten, Hall, 1877, Pal. N. Y., vol. 5. 



[Ety. lyrion, a lyre ; Pecten, a genus of 



shells.] 

 anomiseformis, Hall, 1877, Pal. N. Y., vol. 



5, Up. Held. Gr. [Sig. like a shell of 



the genus Anomia.'\ 

 macrodonta. Hall, 1877, Pal. N. Y., vol- 



5, Up. Held. Gr. [Sig. from the large 



teeth-like ridges.] 

 orbiculatus. Hall, 1843, (Avicula orbicu- 



lata) Geo. Rep. 4th Dist. N. Y., Ham. 



Gr. [Sig. orbicular.] 

 parallelodonta. Hall, 1877, Pal. N. Y., 



vol. 5, Up. Held. Gr. [Sig. from the 



broad straight hinge line.] 

 Lyrodesma, Conrad, 1841, Ann. Geo. Rep. 



N. Y. [Ety. lyra, a harp; desma, a 



ligament] 

 cincinnatiense, Hall, 1871, Pamphlet, 



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

 planum, Conrad, 1841, Ann. Geo. Rep., 



Hud. Riv. Gr. [Ety. planus, flat.] 

 poststriatum, Emmons, 1842, (Nuculana 



poststriata) Geo. Rep. N. Y., Black 



Riv. Gr. [Ety. striated posteriorly.] 

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



Hud. Riv. Gr. [Ety. puldkeUus, beau- 

 tiful.] 



