310 



LAMELLIBRANCHIATA. 



arenaria is from the Oriskany sand- 

 stone, and A. whitei is from the Kin- 

 derhook Gr. 

 Avicula cancellata, Barris, see Pterinea 



pecteniformis, Hall, 1843, Geol. of N.Y., 

 Chemung Gr The species is an Avi- 

 culopecten, and the name was preoc- 

 cupied by Conrad, 

 pinnaeformis. Geinitz, 1848 (Solen pinnae- 

 formis), Versteinerungen d. deutsch 

 Zechsteingebirg, Coal Meas. [Sig. 

 wing-formed.] 

 Aviculopecten caroli, and A. tenuicostus, 

 are from the Kinderhook Gr., and A. 

 oblongus is from the Warsaw Gr. 

 catactus, Meek, 1877, U. S. Geo. Expl. 

 40th par., Carboniferous. [Sig. frail.] 

 curtocardinnlis, Hall & Whitfield, 1877, 

 U. S. Geo. Expl. 40th parallel, Coal 

 Meas. [Sig. short cardinal.] 

 iowensis,n. sp., Marshall or Kinderhook 

 Gr., at Burlington, Iowa. Proposed 

 instead of A. occidentalis, of Win- 

 chell, in 1863, in Proc. Acad. Nat. 

 Sci., Phil., p. 9, which was preoccu- 

 pied by Shumard. 

 newarkensis, Wincheli, 1870, Notices & 

 Desc. Foss. from Marshall Gr., Mar- 

 shall Gr. [Ety. proper name.] 

 nodocostatus, White & Whitfield, 1862, 

 Proc. Bost. Soc. Nat. Hist., vol. 8, 

 Kinderhook Gr. [Sig. having nodes 

 and ribs.] 

 occidaneus, Meek, 1877, U. S. Geo. Expl. 

 40th parallel, Carboniferous. [Sig. 

 western ] 

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

 Geo. Expl. 40th parallel, Coal Meas. 

 [Sig. little.] 

 spinuliferus, Meek & Worthen, 1870, 

 Proc. Acad. Nat. Sci. Keokuk Gr. 

 [Sig. spine bearing] 

 weberensis, Hall & Whitfield, 1877, U. 

 S., Geo. Sur., 40th parallel, Coal 

 Meas. [Ety. proper name ] 

 Cardinia aequimarginalis, refer to Ed- 

 mondia aequimarginalis. 

 occidentalis is from the Kinderhook or 

 Choteau Gr. 

 Cardiola salteri, Haughton, 1857, Jour. 

 Roy. Soc. Dub , vol. 1, Devonian. 

 [Ety. proper name.] 

 Cardiomorpha triangulata and C. trigon- 

 alis are from the Choteau or Marshall 

 Gr. 

 Cardiopsis crenistriata, refer to Pterinea 



crenistriata. 

 Cardium nautiloides, Castelnau, 1843, Syst. 

 Sil., Seneca Lake, N. Y. [Sig. like a 

 Nautilus.] 

 Ch^enomya maria, Worthen, 1882, Bull. 

 No. 1, 111. St. Mus. Nat Hist., Up. 

 Coal Meas. [Ety. proper name. | 

 Cleidophorus chicagoensis, S. A. Miller, 

 1880, Jour. Cin. Soc. Nat. Hist., vol 

 3, Niagara Gr. [Ety. proper name.] 

 ellipticus, Ulrich, 1879, Jour. Cin. Soc. 



Nat. Hist., vol. 2, Hud. Riv. Gr. 

 [Sig. elliptical.] 

 Cleidophorus major, Ulrich, 1879, Jour. 

 Cin. Soc. Nat. Hist., vol. 2, Hud. 

 Riv. Gr. [Sig. larger.] 

 semiradiatus and C. subovatus are 

 from the Arisaig series of the Upper 

 Silurian. 

 Conocardium antiquum, Owen, 1852, Geo. 

 Wis., Iowa & Minn., Silurian. [Sig. 

 ancient. ] 

 pulchellum, White & Whitfield, 1862, 

 Proc. Bost. Soc. Nat. Hist , vol. S, 

 Kinderhook Gr. [Sig. beautiful.] 

 Cuneamya curta, Whitfield, 1878, Jour. 

 Cin. Soc. Nat. Hist., vol. 1, Hud. Riv. 

 Gr. [Sig. short. 1 

 elliptica, S. A. Miller, 1881, Jour. Cin. 

 Soc. Nat. Hist., vol. 4, Hud. Riv. Gr. 

 [Sig. elliptical.] 

 neglecta instead of Sedgwiekia neglecta. 

 parva, S. A. Miller, 1880, Jour. Cin. Soc. 

 Nat. Hist., vol. 3, Hud. Riv. Gr. 

 [Sig. small.] 

 Cypricardella plicata, refer to Goniopho- 

 ra plicata. 

 quadrate, White & Whitfield, 1862, Proc. 

 Bost. Soc. Nat. Hist., vol. 8, Kinder- 

 hook Gr. [Sig. quadrate.] 

 Cypricardia choteauensis and C. ven- 

 tricosa, are from the Choteau or 

 Kinderhook Gr., and C. shumardana, 

 from the St. Genevieve limestone or 

 St. Louis Group. 

 indianensis, refer to Cypricardinia (?) 



indianensis. 

 subplana, refer to Edmondia subplana. 

 swallovana, n. sp., Coal Measures of 

 Harrison county, Missouri. Pro- 

 posed instead of C. occidentalis, 

 Swallow, 1863, in Trans. St. Louis 

 Acad. Sci.. p. 96. 

 Cypricardinia indianensis instead of 

 Cypricardia indianensis. 

 subovata. Miller & Dyer. 1878, Cont. to 

 Pal. No. 2, Niagara Gr. [Sig. sub- 

 ovate.] 

 Cypricardites biyfieldi, C. inconstans and 

 C. montrealensis may be restored to 

 the genus Vanuxemia, as it is proba- 

 bly distinct from this genus, 

 chemungensis, refer to Goniophora che- 



mungensis. 

 megambonus, Whitfield, 1878, Ann. Rep. 

 Geo. Sur. Wis., Trenton Gr. [Sig. 

 having a large umbo.] 

 quadrangularis, Whitfield, 1878, Jour. 

 Cin. Soc. Nat. Hist., vol. 1, Hud. 

 Riv. Gr. [Sig. quadrangular.] 

 sigmoideus is from the Hud. Riv. Gr. 

 Dexiobia halli, and D. whitei are from the 



Marshall Gr. 

 Edmondia aequimarginalis, Wincheli, 1862 

 (Cardinia aequimarginalis)Proc. Acad. 

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

 margined.] 

 bicarinate. E. elliptica. E. marionensis, 

 E. nitida, E. nuptialis, and E. stri- 



