132 



SiW\A^-^l'. 



BEAOHIOPODA. 



raricosta, Conrad, 1842, (Delthyris rari- 



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



Schonarie grit and Cornif. Gr. [Sig. 



with few cost£e.] 

 rempinata, as identified by d'Archiac & 



Verneuil. Not American, 

 richardsoni. Meek, 1868, Trans. Chi. 



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



name.] 

 rockymontana, Marcou, 1858, Geo. N. 



Amer., Low. Carb. [Ety. proper 



name.] 

 rostellata. Hall, 1858, Geo. Eep. Iowa, Ke- 

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

 rostellum. Hall, 1872, 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.] 

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



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

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



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

 sculptilis, Hall, 1843, (Delthyris sculptilis) 



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



[Sig. carved or graven.] 

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



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

 ments or pieces.] 

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



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

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



kaskia Gr. [Sig. bristly.] 

 sillana, Winchell, 1865, Proc. Acad. Nat. 



Sci., Cuyahoga shale. [Ety. proper 



name.] 

 nimilior, see Pentamerus similior. 

 solidirostris, White, 1860, Bost. Jour. Nat. 



Hist., Kinderhook Gr. [Sig. solid- 

 beaked.] 

 spinosa, see Spiriferina spinosa. 

 staminea. Hall, 1843, Geo.' l!ep. 4th 



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



of threads, thready.] 

 striatiformis, Meek, 1875, Ohio Pal., vol. 



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

 striata, Martin, 1809, (Anomites striatus) 



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

 striata var. triplicata, Marcou, 1858, Geol. 



North America, L o \v . Carb. [Sig. 



three-plicated.] 

 utriaiulm, as identified by d'Archiac & 



Verneuil. Not American. 

 Kubsequalis, Hall, 1858, Geo. Rep. Iowa, 



Warsaw Gr. [Sig. somewhat equal.] 

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



Ham. Gr. [Sig. somewhat attenu- 

 ated.] 

 subcardiformis. Hall, 1858, Geo. Rep. 



Iowa, Warsaw Gr. [Sig. somewhat 



heart-shaped.]' 

 subcuspidata. Hall, 1858, Geo. Eep. Iowa, 



Keokuk Gr. [Sig. somewhat-pointed 



•] 



subelliptica, McChesney, 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. Eep., 

 Oriskany sandstone. [Sig. somewhat 

 sharp-pointed.] 



swimMcronata, Hall, 1858, Geo. Eep. Iowa, 

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

 was preoccupied. See iS'. subattamata. 



suborbicularis. Hall, 1858, Geo. Rep. 

 Iowa, Keokuk Gr. [Sig. somewhat 

 orb-shaped.] 



subrotundata. Hall, 1858, Geo. Eep. Iowa, 

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

 somewhat rounded.] 



mbsulcata, 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. 

 Gr. and Tully limestone. [Sig. some- 

 what protuberant.] 



subundifera, Meek & Worthen, 1868, 

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

 somewhat wavy.] 



subvaricosa. Hall, 1873, 23rd Eeg. Eep., 

 Up. Held. Gr. [Sig. somewhat 

 varicose.] 



subventricoaa, 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.] 



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

 Devonian. [Sie. superb.] The name 

 was preoccupied by Eichwald in 1842. 



tenuicostata. Hall, 1858, Geo. Rep. Iowa, 

 Warsaw Gr. [Sig. slender-ribbed.] 



tenuimarginata. Hall, l'858, Geo. Eep. 

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

 gined.] 



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

 (jr. [Sig. slender, thin.] 



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

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

 radiating striae.] 



tenuistriata, Shaler, 1865. The name was 

 preoccupied. 



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

 Coal Meas. [Ety. proper name.] 



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

 mung Gr. [Sig. woven.] 



translata. Swallow, 1863, Trans. St. Louis 

 Acad. Sci., Low. CarVj. [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 the 

 same flock.] 



