132 



BRACHIOPODA. 



raricosta, Conrad, 1842, (Delthyris rari- 

 costa") Jour. Acad. Nat. Sci., vol. 8, 

 Schoharie grit and Cornif. Gr. [Sig. 

 with few costse.] 



resupinata, as identified by d'Arehiac & 

 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. Rep. Iowa, Ke- 

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



rostellum, Hall, 1872, 24th Reg. Rep., 

 Niagara Gr. [Sig. a little beak.] 



rugicosta, Hall, I860, 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 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 Reg. Rep., 

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

 ments or pieces.] 



semiplicata, Hall, I860, 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.] 



similior, see Pentamerus similior. 



solidirostris, AVhite, 1860, Bost. Jour. Nat. 

 Hist., Kinderhook Gr. [Sig. solid- 

 beaked.] 



spinosa, see Spiriferina spinosa. 



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

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

 of threads, thready.] 



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

 2, Waverly Gr. [Sig. like 8. striata.] 



striata, Martin, 1809, (Anomites striatus) 

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



striata var. triplicata, Marcou, 1858, Geol. 

 North America, Low. Carb. [Sig. 

 three-plicated.] 



striatulus, as identified by d'Archiac & 

 Verneuil. Not American. 



subsequalis, 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. Rep. 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 Reg. Rep., 

 Oriskany sandstone. [Sig. somewhat 

 sharp-pointed.] 



submucr<mata,Y[&\\, 1858, Geo. Rep. Iowa, 

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

 was preoccupied. See S. subattenuata. 



suborbiculanis, Hall, 1858, Geo. Rep. 

 Iowa, Keokuk Gr. [Sig. somewhat 

 orb-shaped.] 



subrotundata, Hall, 1858, Geo. Rep. Iowa, 

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

 somewhat rounded.] 



subsulcata, 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- 

 urn bona) 10th Reg. Rep., (Ambocoelia 

 subumbona) 13th Reg. Rep., Ham. 

 Gr. 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. Held. Gr. [Sig. somewhat 

 varicose.] 



subventricosa, 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.] 



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

 Devonian. [Sig. superb.] The name 

 was preoccupied by Eichwald in 1842. 



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

 Warsaw Gr. [Sig. slender-ribbed.] 



tenuimarginata, Hall, 1858, Geo. Rep. 

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

 gined.] 



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

 Gr. [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 Reg. Rep., Che- 

 mung Gr. [Sig. woven.] 



translata, Swallow, 1863, 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 the 

 same flock.] 



