192 



LAMELLIBRANCHIATA. 



strigosa, White, 1862, Proo. Bost. Soc. 

 Nat. Hist., vol. 9, Cliemung Gr. [Sig. 

 lean, thin.] This species may belong 

 to the genus Bakevellia. 

 xnkatri, see Avicula sulcata. 

 GoNiOPHORA, Phillips, 1848. [Efy. gonia, an 

 angle; phoros, bearing.] Goinophorux 

 ^■as used by Agassiz for a, genus of 

 Echinoderms in 1840. 

 acuta. Hall, 1877, Pal. X. Y., vol. -5, Ham. 



Gr. [Sig. acute.] 

 belliila, Billing.s, 1874, Pal. Foss., vol. 2, 



Up. Sil. [Sig. small and beautiful.] 

 consimilis, Billings, 1874, Pal. Foss., vol. 

 2, Up. Sil. [Sig. very like, just such 

 another.] 

 glabra. Hall, 1877, Pal. X. Y., vol. 5, 



Chemung Gr. [Siii. smooth.] 



hamiltonensis. Hall, 1870, (Sanguinolites 



hamiltonensis) Prelim. Notice Lam. 



Shells, Ham. (ir. [Ety. proper name.] 



mediocris, Billings, 1874, Pal. Foss., vol. 



2, Up. Sil. [Sig. middling.] 

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



Up. Held. Gr. [Sig. very angular.] 

 rugasa, Conrad, 1841, (Cypricardites ru- 

 gosa) Ann. Rep. N. Y., Ham. Gr. 

 [Sig. wrinkled.] 

 transiens, Billings, 1874, Pal. Foss., vol. 

 2, Up. Sil. [Sig. transient, passing.] 

 Grajimysia, DeVerneuil, 1847, Bull. Soc. 

 Geo. France. [Ety. gramme, a line of 

 writing ; J///.S a mussel shell, in allu- 

 sion to the transverse furro\^•s which 

 cross the valves from the umbones to 

 the middle of the ventral margin.] 

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



Up. Sil. [Ety. proper name.] 

 alveata, Conrad, 1841,(Posidonia alveata) 

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

 hollowed out.] 

 arcuata, Conrad, 1841, (Posidonia arcuata) 

 Ann. Rep. X. Y., Flam. Gr. [Sig. 

 arched.] 

 bisulcata, Conrad, 1838, (Pterinea bisul- 

 cata, 1841,) (Cypricardites bisulcata) 

 Ann. Rep. X. Y., Ham. Gr. [Sig. two- 

 furrowed.] 

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



2, Up. Sil. [Ety. i)roper name.] 

 chemungensis, Pitt, 1874, Buff. Soc. Nat. 

 Hist., Chemung Gr. [Ety. proper 

 name.] 

 circularis, Hall, 1870, Prelim. Notice Lam. 

 shells, Ham. and Chemung Gr. [Sig. 

 circular.] 

 constricta, Flail, 1 870, Prelim. Notice Lam. 



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

 elliptica, Hall, 1S70, Prelim. Xotice Lam. 

 shells, Chemung Gr. [Sig. elliptical.] 

 erecta. Hall, 1870, Prelim. Xotice Lam. 



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

 globosa. Hall, 1870, Prelim. Xotice Lam. 



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

 hamiltonensis, syn. for G. bisulcata. 

 hannibalensis, Shumard, 1855, (Allorisma 

 hannibalensis) Geo. Sur. Mo., Kinder- 

 hook Gr. [Ety. proper name.] I 



lirata. Hall, 1870, Prelim. Notice Lam. 



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

 magna. Hall, 1870, Prelim. Notice Lam. 



shells. Ham. Gr. [Sig. large.] 

 nodooostata. Hall, 1870, Prelim. Notice 



Lam. shells, Flam. Gr. [Sig. having 



nodes on the ribs.] 

 obsoleta. Hall, 1870, Prelim. Notice Lam. 



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

 parallela. Hall, 1870, Prelim. Xotice Lam. 



shells. Ham. Gr. [Sig. parallel.] 

 precursor. Hall, 1870, Prelim. X'oticeLam. 



shells, Schoharie grit. [Sig. a fore- 

 runner.] 

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



Up. Sil. [Sig. remote.] 

 rhomboidalis. Meek & Worthen, 1805, 



Proc. Acad. X^'at. Sci. Phil., Ham. Gr. 



[Sig. rhomboidal.] 

 rhomboides. Meek, 1871, Proc. Acad. Nat. 



Sci. Phil., Waverly Gr. [Sig. rhomb- 



hke.] 

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



Up. Sil. [Sig. rough, rustic] 

 secunda. Hall, 1870, Prelim. Notice Lam. 



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

 subarcuata. Hall, 1870, Prelim. Notice 



Lam. shells, Chemung Gr. [Sig. 



somewhat like G. arcuata.'] 

 ventricosa, ^leek, 1871, Proc. Acad. Nat. 



Sci. Phil., Waverly Gr. [Sig. ventri- 



cose.] 

 Gryphorht/nchns, ileek, 1864, Am. Jour. Sci. 



Xot defined. 

 Ilioxia, Billings, 1875, Can. Nat. & Geol. 



[Ety. proper name.] 

 canadensis, Billings, 1875, Can. X"at. & 



Geol., Corniferous Gr, [Et}'. proper 

 name.] 

 sinuata. Hall, 1859, ( Anatina .sinuata) Pal. 

 N. Y., vol. 3, Low. Held. Gr. [Sig. 

 wavy.] 



Inoceramvs, Sowerby, 1818, ]Min. Conch., vol. 



2. This genus is unknown in Amer- 

 ican palaeozoic rocks. 

 clumnrigrmis, see Mytilarca chemungensis. 

 myiilimerix, see Mytilarca mytilimeris. 

 oviformi.% see Mytilarca oviformis. 

 IsciiYEiNiA, Billings, 1866, Catal. Sil. Foss. 



Antic. [Ety. ischyros, strong.] 

 plicata, Billings, 1866, Catal. Sil. Foss. 



Antic, Anticosti Gr. [Sig. folded.] 

 winchelli, Billings, 1866, Catal. Sil. Foss. 



Antic, Hud. Riv. Gr. [Ety. proper 



name.] 

 honirdia, Klein, 1753, Tent. Meth. Ostr. 



[Ety. isos, like; kardia, the heart.] 



This is an existing littoral genus that 



burrows in the sand. It is not known 



in the palreozoic rocks. 

 (?) curta, Shumard, 1858, Trans. St. Louis 



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



short.] 

 jennse, Winehell, 1863, Proc Acad. Nat. 



S('i., Chemung Gr. [Ety. proper 



name.] 

 unkmiformis, see Edmondia unioniformis, 



