BEACHIOPODA. 



Minn., 8th Rep., Galena Gr. [Ety. 



proper name.] 

 Lixgula iowensis, Owen, 1840, Rep. Min. 



Lands, Iowa. Wis., and 111., Galena 



Gr. [Ety. proper name.] 

 melie was described in 1863,'in 16th Reg. 



Rep. 

 membranacea, is from the Marshall Gr. 

 rectilatera. Restore it. 

 striata, Emmons, 1856, Am. Geol., Que- 

 bec Gr. [Sig. striated.] 

 Lingulepis cuneolus, Whitfield, 1877, Pre- 

 lim. Rep. Pal., Black Hills, Potsdam 



Gr. [Sig. a little wedge.] 

 ella, Hall & Whitfield, 1877, U. S. Expl. 



40th parallel, Quebec Gr. [Sig. 



small.] 

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



Expl. 40th parallel, Potsdam Gr. 



[Etj r . mythological name.] 

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



Expl. 40th parallel, Potsdam Gr. 



[Sig. minute.] 

 perattenuata, Whitfield, 1877, Prelim. 



Rep. Pal., Black Hills, Potsdam Gr. 



[Sig. very attenuated.] 

 Mekistella rectirostra, Hall, 1879, Desc. 



New Spec. Foss., Niagara Gr. [Sig. 



straight beak.] 

 Nucleospira rotundata, Whitfield, 1882, 



Desc. New Spec. Foss. from Ohio, 



Low. Held. Gr. [Sig. rounded.] 

 OBOLELLAdesquamata,is founded according 



to Ford on the dorsal valve of O. 



crassa, and should be referred to the 



Lower Potsdam Gr. 

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



Geo. Expl. 40th parallel, Potsdam 



Gr. [Sig. discoid.] 

 Okbiculoidea conica, Dwight, 1880, Am. 



Jour. Sci. and Arts, 3d Ser., vol. 19, 



Trenton Gr. [Sig. conical.] 

 Orthis altemans, Castelnau, 1843. Not 



recognized. 

 amo3na, Winchell, 1880. Geo. Sur. Minn. 

 . 8th Rep., Hud. Riv. Gr. [Sig. 



pleasant] 

 charlottae, Winchell, 1880, Geo. Sur. 



Minn. 8th Rep., Hud. Riv. Gr. [Ety. 



proper name.] 

 cincinnatensis, n sp Hud. Riv. Gr., 



Cincinnati, Ohio. Proposed instead 



of Orthis costata, Hall, 1845, Am. Jour. 



Sci. and Arts. This is a very small 



species, found associated with other 



minute fossils on -Vine street hill, 

 circularis, Winchell, 1880, Geo. Sur. 



Min. 8th Rep., Hud. Riv. Gr. [Sig. 



circular.] 

 clytie is from the Trenton Gr. 

 conradi, Castelnau, 1843. Not recog- 

 nized, 

 conradi. Winchell. 1880, Geo. Sur. Minn. 



8th Rep , H ud. Riv. Gr. [Ety. proper 



name.] 

 cooperensis is from the Warsaw Gr. 

 costata Hall, being preoccupied, see 



Orthis, cincinnatensis. 



Orthis dalyana, S. A. Miller, 1881, Jour. 



Cin. Soc. Nat. Hist., vol.4, Burling- 

 ton, Gr. [Ety. proper name.] 

 ella, O. emacerata, and O. jamesi, are 



from the Hud. Riv. Gr. 

 eryna was described in 1863 in the 16th 



Reg. Rep. 

 flabellurn, Sowerby, 1839, in Murch. Sil. 



Syst., Niagara Gr. [Sig. a small fan.] 

 flava, and O. occasus are from the Kinder- 

 hook Gr. 

 huronensis, Castelnau, 1843, Syst. Sil. 



Not recognized, 

 infera, Calvin, 1878, Bull. U. S. Geo. 



Sur. Terr., vol. 4, No. 3, Low. De- 

 vonian. [Sig. underground.] 

 kassubae, Winchell, 1880, Geo Sur. 



Minn. 8th Rep., Hud. Riv. Gr. [Ety. 



proper name.] 

 media, Winchell, 1880. Geo. Sur. Minn. 



8th Rep., Hud. Riv. Gr. [Sig. in the 



middle ] 

 minneapolis, Winchell, 1880, Geo. Sur. 



Minn., 8th Rep., Hud. Riv. Gr. [Ety. 



proper name.] 

 pogonipensis, Hall & Whitfield, 1877, 



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



Gr. [Ety. proper name.] 

 schohariensis, Castelnau, 1843, Syst. Sil. 



Not recognized, 

 scovillei, S. A. Miller, 1882, Jour. Cin. 



Soc. Nat. Hist., vol. 5, Hud. Riv. Gr. 



[Ety. proper name.] 

 sectostriata, Ulrich, syn. for O. ella. 

 ■ striatella, see Chonetes striatellus. 



subelliptica, White & Whitfield, 1862, 



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



Kinderhook Gr. [Sig. subelliptical.j 

 suhnodosa. Hall, 1879, Desc. New Spec. 



Foss., Niagara Gr. [Sig. subnodose.] 

 Pextamerus beaumonti, Castelnau, 1843, 



Syst. Sil. Not. recognized, 

 coppingeri, Etheridge, 1878, Quar. Jour. 



Geo. Soc, vol. 34, Up. Silurian. [Ety; 



proper name.] 

 deshayesi, Castelnau, 1843, Syst Sil. 



Not recognized, 

 lenticularis, White & Whitfield, 1862, 



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



Kinderhook Gr. [Sig. lenticular.] 

 pesovis. Whitfield, 1882, Desc. New 



Spec. Foss.. from Ohio, Low. Held. 



Gr. [Sig. sheep foot.] 

 trisinuatus, McChesney, 1861, Desc. 



New Pal. Foss., p. 86, Niagara Gr. 



[Sig. three furrowed.] 

 Poramboxites obscurus, Hall & Whitfield, 



1877, U. S. Geo. Expl. 40th parallel, 



Quebec Gr. [Sig. obscure.] 

 Productus callawayensis, is from the Ham. 



Gr. 

 cooperensis, P. cnrtirostratus, P. dolor- 



osus, and P. parvulus, are from the 



Choteau or Kinderhook Gr. 

 coriformis, is from the Kaskaskia Gr. 

 depressus, and P. fentonensis, are from 



the Keokuk Gr. 



