LAMELLIBRANCHIA TA. 



467 



orbiculaltis, see Lyriopecten orbiculatus. 

 orestes, Worthen, 1884, Bull. No. 2, 111. 



St. Mus. Nat. Hist., p. 18, and Geo. Sur. 



111., vol. 8, p. 112, Keokuk Gr. 

 orestes, Hall, syn. for A. fasciculatus. 

 ornatus, Hall, 1883, Pal. N. Y., vol. 5, pt. 



1, p. 37, Ham. Gr. 

 oweni, Meek & Worthen, 1860, Proc. 



Acad. Nat. Sci. Phil., p. 452, and Geo. 



Sur. 111., vol. 2, p. 256, Keokuk Gr. 

 parilis, Conrad, 1842, (Avicula parilis,) 



Jour. Acad. Nat. Sci. Phil., vol. 8, p. 239, 



and Ohio Pal., vol. 1, p. 197, Cornif. Gr. 

 parvulus, Hall & Whitfield, 1877, U. S. 



Geo. Expl. 40th parallel, vol. 4, p. 274, 



Coal Meas. 



plenus, Hall, 1883, Pal. N. Y., vol. 5, pt. 

 1, p. 21, Chemung Gr. 



FIG. 783. Avicnlopecten prlnceps. Cardinal 

 part showing ligamental area. 



princeps, Conrad, 1838, ( Monotis^ prin- 

 ceps,) Ann. Rep. N. Y., p. 117, and Pal. 

 N. Y., vol. 5, pt. 1, p. 1, Ham. Gr. 



'ia.'.784. Aviculopecten varsoviensis. 



patulus, Hall, 1883, Pal. N. Y., vol. 5, pt. 



1, p. 24, Up. Chemung Gr. 

 pecteuiformis, Conrad, 1842, (Avicula 



pecteniformis,) Jour. Acad. Nat. Sci., 



vol. 8, p. 240, and Pal. N. Y., vol. 5, pt. 



1, p. 4, Up. Held. Gr. and Marcellus 



Shale, 

 pellucidus, Meek & Worthen, 1860, Proc. 



Acad. Nat. Sci. Phil., p. 455, and Geo. 



Sur. 111., vol. 2, p. 327, Low. Coal Meas. 

 peroccidens, Walcott, 1885, Monogr. U. S. 



Geo. Sur., vol. 8, p. 227, Subcarbonif- 



erous. 

 phorcus, Hall, 1883, Pal. N. Y., vol. 5, pt. 



1, p. 10, Ham. Gr. 

 pintoensis, Walcott, 1885, Monogr. U. S. 



Geo. Sur., vol. 8, p. 228, Subcarbonif- 



providencensis, Cox, 1857, (Pecten provi- 

 dencensis,) Geo. Sur. Ky., vol. 3, p, 566. 

 Coal Meas. 



rectilaterarius, Cox, 1857, (Avicula recti- 

 lateraria,) Geo. Sur. Ky., vol. 3, p. 571, 

 Coal Meas. 



repletus, Hall, syn. for A. fasciculatus.; 



reticulatus, Dawson, 1868, Acad.lGeol.', p. 

 306, Carboniferous. 



ringens, Swallow, 1858, \Pecten ringens,) 

 Trans. St. Louis Acad. Sci., p. 184, Per- 

 mian Gr. 



rugistrialus, Hall, 1843, (Lima rugsestri- 

 ata,) Geo. Rep. 4th Diet. N. Y., p. 264, 

 and Pal. N. Y., vol. 5, pt. 1, p. 15, Che- 

 mung Gr. 



eanduskiensis, Meek, 1871, Proc. Acad. 

 Nat. Sci. Phil., p. 161, Up. Held. Gr. 



