464 



LAMELLIBRANCHIA TA. 



[AVI. 



acosta, Cox, 1857. Geo. Sur. Ky., vol. 3, 

 p. 572, Coal Meas. The correct ety- 

 mology would make this word incotta. 



sequilatera. see Aviculopecten aequilaterus. 



aquiradiata, Hall, 1859, Pal. N. Y., vol. 3, 

 p. 285, Low. Held. Gr. 



3, p. 



Fio. 781. Avicula hirundo. 

 tesopus, Conrad, 1842, Jour. Acad. Nat- 



Sci., vol. 8, p. 238, Ham. Gr. 

 angustirostra, Conrad, 1842, Jour. Acad. 



Nat. Sci., p. 236, Ham. Gr. 

 antiqua, see Bakevellia antiqua. 

 arenaria. Not American. 

 aviformis, see Pterinea aviformis. 

 bella, see Aviculopecten bellus. 

 bellula, Hall, 1859, Pal. N. Y., vol 



289, Low. Held. Gr. 

 boydi, see Actinopteria boydi. 

 cancellata, see Pterinea cancellata. 

 cfitmungensis, see Liopteria chemungensis. 

 chemungcnsis, see Pterinea chemungensis. 

 circulus, see Entolium circulus. 

 communis, Hall, 1859, Pal. N. Y., vol. 3, 



p. 286, Low. Held. Gr. 

 cooperensis see Pernopecten cooperensis. 

 corntgata, see Pterinea corrugata. 

 cruciformis, see Glyptodesma cruciforme. 

 damnoniensix, Sowerby, as identified in 



the early N. Y. Eeports. See Liopteria 



chemungensis. 



decusmta, see Actinopteria decuseata. 

 demissa, see Pterinea demissa. 

 desquamata, Hall, 1847. The dorsal valve 



of Obolella crassa. 

 elliptica, see Pterinea elliptica. 

 emacerata, Conrad, 1842, Jour. Acad. Nat. 



Sci., p. 241, and Pal. N. Y., vol. 2, p. 83 



and 282, Clinton and Niagara Grs. 

 erecta, see Glyptodesma erectum. 

 ferruginea, Conrad, 1848, Proc. Acad. Nat. 



Sci., vol. 3, p. 23, Up. Sil. 

 flabella, see Pterinea flabellum. 

 fragilis, see Lunulicardium fragile, 

 gebhardi, Conrad, 1841, Ann. Rep. N. Y., 



p. 54, Oriskany sandstone, 

 hermione, Billings, 1862, Pal. Foss., vol. 1, 



p. 40, Trenton Gr. 

 honeymani, see Pterinea honeymani. 

 insuetc, see Pterinea inpueta. 

 laevis, see Liopteria hi'vis. 

 leptanoto, Hall, 1843, Geo. Rep. 4th Dist. 



N. Y., p. 76, syn. for A. ernacerata. 

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



p. 332, Coralline limestone, 

 longa, Geinitz, 1866, (Gervillia longa,) 



Carb. und Dyas in Neb., p. 32, and Pal. 



E. Neb.,p. 199, Coal Meas. 

 longispina, see Leptodesma longispinum. 

 magna, Swallow, 1863, Trans. St. Louis 



Acad. Sci., vol. 2, p. 98, Kaskaskia Gr. 

 man ticula, Conrad, 1842, Jour. Acad. Nat. 



Sci., vol. 8, p. 241, and Pal. N. Y., vol. 



3, p. 284, Low. Held. Gr. 



rnorganensis, Meek & Wort hen, 1866, 



(Pteria morganensis,) Proc. Acad. Nat. 



Sci., p. 259, and Geo. Sur. 111., vol. 5 r 



p. 576, Coal Meas. 

 multilineata, Conrad, 1842, Jour. Acad. 



Nat. Sci., vol. 8, p. 241, Chemung Gr. 

 muricata, see Actinopteria muricata. 

 naviformis, Conrad, 1842, Jour. Acad. 



Nat. Sci., p. 240, and Pal. N. Y., vol. 3, 



p. 279, Low. Held. Gr. 

 obliquata, Hall, 1859, Pal. N. Y., vol. 3, 



p. 285, Low. Held. Gr. 

 oblonga, see Aviculopecten oblongus. 

 obscura, Hall, 1859, Pal. N. Y., vol. 3, p. 



280, Low. Held. Gr. 

 orbicularis, Stevens, 1858, Am. Jour. Sci., 



vol. 25, 2d ser., Coal Meas. The name 



was preoccupied by Sowerby in 1839. 

 orbiculata, Hall, 1843, see Lyriopecten or- 



biculatus. 

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



p. 284, Niagara Gr. 

 parilif, see Aviculopecten parilis. 

 pauciradiata, Hall, 1859, Pal. N. Y., vol. 



3, p. 287, Low. Held. Gr. 

 pectiniformis, see Aviculopecten pectini- 



formie. 



perobliqua, see Actinopteria perobliqua. 

 pinniformis, Geinitz, 1848, (Solon pinnae- 



forinis,) Versteinerungen d. deutsch 



Zechsteingebirg, p. 8, and Carb. und Dya& 



in Neb., p. 31, Coal Meas. 

 pleuroptera, see Actinopteria pleuroptera. 

 protexta, see Leptodesma protextum. 

 quadrula, syn. for Actinopteria boydi. 

 rectilaleraria, see Aviculopecten rectila- 



terarius. 

 recticosta, Hall, 1859, Pal. N. Y.. vol. 3, 



p. 466, Oriskany sandstone, 

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



p. 84, Clinton Gr. 

 rugosa, see Pterinea rugosa. 

 schoharije. Hall, 1859, Pal. N. Y., vol. 3, 



p. 283, Low. Held. Gr. 

 securiformis, Hall, 1852, Pal. N. Y., vol. 



2, p. 331, Coralline limestone. 

 securiformis. Hall, 1859, Pal. N. Y., vol. 3, 



p. 290. This name was preoccupied, 

 semielliptica, Shumard, 1858, Trans. St. 



Louis Acad. Sci., vol. 1, p. 210, Up. Coal 



Meas. 

 shawneensis, Shuraard, 1858, Trans. St. 



Louis Acad. Sci., vol. 1, p. 211, Up. Coal 



Meas. 



shumardi, see Entolium shumardi. 

 signata, s^e Aviculopecten signatus. 

 speciosa, see Panenka speciosa. 

 spinigera, see Leptodesma spinigerum. 

 spinnlifera, Hall, 1859, Pal. N. Y., vol. 3, 



p. 282, Low. Held. Gr. 

 subaBquilatera, Hall, 1S59. Pal. N. Y., vol. 



3, p. 281, Low. Held. Gr. 

 subfalcata, Conrad, 1842, Jour. Acad. Nat. 



Sci., vol. 8, p. 242, Ham. Gr. 

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



p. 283, Niagara Gr. 

 subquadrans, Conrad, 1842, Jour. Acad. 



Nat. Sci., vol. 8, p. 236, Devonian. 

 subrecta, see Aviculopecten subrectus. 



