132 



BEACHIOPODA. 



raricosta, Coni-ad, 1842, (Delthyris rari- 



costa) Jour. Acad. Nat. Sci., vol. H, 



JSclioliarie grit and Cornif. Cxr. [Sig. 



with few costee.] 

 resapinuta, as identified by d'Arcliiai' A 



Verncuil. Not American, 

 vichardsoni, Meelc, 1868, Trans. Chi. 



Acad. Sci., Ham. Gr. [Ety. proper 



name.] 

 rocky niontana, Marcou, 1858, Geo. N. 



Amer., I^ow. Garb. [Ety. proper 



name.] 

 rostellata. Hall, 18.58, Geo. Rep. Iowa, Ke- 

 okuk Gr. [Sig. having a little beak.] 

 rostellum. Hall, 1.872, 24th Eeg. Rep., 



Niagara Gr. [Sig. a little beak.] 

 rugicosta. Hall, 1860, Can. Nat. Geo., vol. 



5, Up. Sil. [Sig. having furrowed or 



wrinkled plaits or folds.] 

 rugatina, Conrad, 1842, (Delthyris ruga- 



tina) Jour. Acad. Nat. Sci., vol. 8, 



Niagara Gr. [Sig. having little folds.] 

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



Low. Held. Gr. [Ety. proper name.] 

 scobina, Meek, 1860, Proc. Acad. Nat. 



Sci., Coal Jlcas. [Sig. a rasp.] 

 sculptilis. Hall, 1843, (Delthyris sculptilis) 



Geo. Rep. 4th Diet. N. Y., Ham. Gr. 



[Sig. carved or graven.] 

 segmentata. Hall, 1857, 10th Reg. Rep., 



Up. Held. Gr. [Sig. made up of seg- 

 ments or pieces.] 

 semiplicata. Hall, 1860, 13th Reg. Rep., 



Hani. Gr. [Sig. half-plicated.] 

 setigera. Hall, 1858, Geo. Rep. Iowa, Kas- 



kaskia dr. [Sig. bristly.] 

 sillana, AVinchell, 1865, Proc. Acad. Nat. 



Sci., Cuyahoga shale. [Ety. projjer 



name] 

 xiiiiilkir, see Pentamerus similior. 

 solidirostris, White, 1860, Best. Jour. Nat. 



Hist., Kinderhook Gr. [Sig. solid- 

 beaked.] 

 spinosa, see Spiriferina spinosa. 

 staminea. Hall, 1843, Geo. Rep. 4tli 



Dist. N. Y., Niagara Gr. [Sig. made 



of threads, thready.] 

 striatiformis. Meek, 1875, Ohio Pal., V(j1. 



2, Waverly Gr. [Sig. like ,S. ulrinta.] 



striata, Martin, 1800, (Anomites striatus) 



Petrif. Derb., Carb. [Sig. striated.] 

 striata nir. triplicata, Marcou, 1858, Geol. 



North America, Low. Carb. [Sig. 



three-plicated.] 

 sliiiiUdm, as identified by d'Archiac & 



Verneuil. Not American. 



subiequalis. Hall, 1858, Geo. Rep. Iowa, 

 Warsaw (^r. [Sig. somewhat equal.] 



subattenuata. Hall, 1858, Geo. Rep. Iowa, 

 Ham. Gr. [Sig. somewhat attenu- 

 ated.] 



subcardiformis. Hall, 185 8, Geo. Rep. 

 Iowa, Warsaw Gr. [Sig. somewhat 

 heart-shaped.] 



subcuspidatu,, Hall, 1858, Geo. Rep. Iowa, 

 Keokuk (Tr. [Sig. somewhat-pointed.] 



subelliptica, McC'hesney, 1860, New Pal. 



Foss., Coal Meas. [Sig. somewhat 



elliptical.] 

 sublineata. Meek, 1868, Trans. Chi. Acad. 



Sci., Ham. Gr. [Sig. somewhat stri- 

 . ated.] 

 submucronata, Hall, 1857, 10th Eeg. Rep., 



Oriskany sandstone. [Sig. somewhat 



sharp-pointed.] 

 xiibmncivtiata, Hall, 1858, Geo. Rep. Iowa, 



vol. 1, pt. 2, Ham. Gr. This name 



was preoccupied. See <S'. mbuUenuata. 

 suborbicularis. Hall, 18.58, Geo. Rep. 



Iowa, Keokuk Gr. [Sig. somewhat 



orb-shaped.] 

 s'hbrotundata, Hall, 1858, Geo. Rep. Iowa, 



vol. 1, pt. 2, Kinderhook Gr. [Sig. 



somewhat rounded.] 

 xiihsulcata, Hall, 1860, Can. Nat. and 



Geol., vol. 5, Up. Sil. [Sig. somewhat 



furrowed.] This name was preoccu- 

 pied by Dalman in 1828. 

 subumbonata, Hall, 1857, (Orthis sub- 



umbona) 10th Reg. Rep., (Ambocoelia 



subumbona) 13th Reg. Rep., Ham. 



(JT. and Tully limestone. [Sig. some- 

 what protuberant.] 

 subundifera. Meek & Worthen, 1868, 



Geo. Sur. 111., vol. 3, Ham. Gr. [Sig. 



somewhat wavy.] 

 subvaricosa, Hall, 1873, 23rd Reg. Rep., 



Up. Pleld. Gr. [Sig. somewhat 



varicose.] 

 siibivntricosa, syn. S. opima. 

 sulcata, Hisinger, 1837, (Delthyris sul- 



catus) Petrif. Suecica, Niagara Gr. 



[Sig. furrowed.] 

 sulcifera, Shumard, 1858, Trans. St. Louis 



Acad. Sci,, Permian Gr. [Sig. bearing 



furrows.] 

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



fievonian. [Sig. superb.] The name 



was preoccupied by Eichwald in 1842. 

 tenuicostata. Hall, 185S, Geo. Rep. Iowa, 



Warsaw Gr. [Sig. slender-ribbed.] 

 tenuimarginata, Hall, 1858, Geo. Eep. 



Iowa, Keokuk Gr. [Sig. thin-mar- 

 gined.] 

 tenuis. Hall, 1857, 10th Eeg. Eep., Ham. 



Gr. [Sig. slender, thin.] 

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



3, Low. Held. Gr. [Sig. having fine 



radiating striae.] 

 Irniiitstriald, Shaler, 1865. The name was 



preoccupied, 

 texana. Meek, 1871, Proc. Acad. Nat. Sci., 



Coal Meas. [Ety. proper name.] 

 texta, Hall, 1857, 10th Eeg. Rep., Che- 

 mung Gr. [Sig. woven.] 

 tran.slata. Swallow, 18(i3, Trans. St. Louis 



Acad. Sci., Low. Carb. [Sig. trans- 

 ferred.] 

 transversa, McChesney, 1860, New Pal. 



Foss., Chester Gr. [Sig. transverse, 



crosswise.] 

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



Oriskany sandstone. [Sig. one of tlie 



same flock.] 



