352 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [bull. 87. 



Rhipidomella solitaria Hall. Hamilton (Dev.). 



Orthis solitariii J [all, Thirtoeutli Rep. New York State Cab. Nat. Hist., 1860, p. 



80;— Pal. New York, IV, 1867, p. 45, pi. 7, fig. 1. 

 Rhipiaomella solitaria Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 225, 

 Loc. York, New York. 



Rhipidomella subcirculus (Simpson). Clinton (Sil.). 



Orthis siibcircula Simi)80u, Trans. American Philosopliical See, n. ser., X^'I, 



1889, p. 437, fig. 2. 

 Loc. MiiHin and Huntington counties, Pennsylvania. 



Rhipidomella subelliptica (White and Whitfield), Kinderhook (L.Carb.). 

 Orthis subelliptica White and Whitfield, Proc. Boston Soc. Nat. Hist.. VIII, 



1862, p. 292. 

 Rhipidomella subelliptica Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, 



p. 225. 

 Loc. Burlington, Iowa. 



Rhipidomella suborbicularis Hall. Hamilton (Dev.). 



Orthis suborbicularis Hall, Geol. Survey Iowa, I, Pt. II, 1858, p. 486, pi. 2, fig. 1. 

 Rhipidomella suborbicularis Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, 



p. 225. 

 Loc. Rock Island, Illinois. 



Rhipidomella thiemei (White). Chemung (Dev.) and Kinderhook (L. 



Carb.). 

 Orthis thiemii. White, Jour. Boston Soc. Nat. Hist., VII, 1860, p. 231;— Twelfth 



Rep. Hayden's U. S. Geol. Survey Terr., 1883, p. 164, pi. 41, fig. 4. 

 Orthis thiemii? Hall, Pal. New York, IV, 1867, p. 63, pi. 8, fig. 2. 

 Rhipidomella thiemii Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 225, 



pi. 6A, figs. 14, 15. 

 Loc. Burlington, Iowa; In the Chemung group at Leon, Napoli, and New Albion, 

 New York. 



Rhipidomella tubulistriata Hall. Lower Helderberg (Dev.). 



Orthis tubulostriata Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, p. 42;— 



Pal. New York, III, 1859, p. 166, pi. 11, figs. 1-6. 

 Rhipidomella tubulostriata Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, 



pp. 210, 225. 

 Loc. Albany County, New York. 



Rhipidomella uberis (Billings). Anticosti (Sil.). 



Orthis aequivalvis Shaler (non Hall, 1847), Bull. Mus. Comp. Zool., 4, 1865, p. 66. 

 Orthis uberis Billings, Catalogue Sil. Foss. Anticosti, 1866, p. 42. 

 Rhipidomella uberis Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 224. 

 Loc. Anticosti. 

 Ohs. See Rhipidomella rhynchonelliformia (Shaler). 



Rhipidomella vaniixemi Hall. Corniferoiis-Hamilton (Dev.). 



Orthis vanuxemi Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, p. 135, figs. 

 1-7;— Geol. Survey Iowa, I, Pt. II, 1858, p. 487, pi. 2, tigs. 2, 3.— Billings, 

 Canadian Jour., V, 1860, p. 269.— A. Winchell, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1862, p. 409.— Billings, Geol. Canada, 1863, p. 384, fig. 417.— Hall, 

 Pal. New York, IV, 1867, pp. 40, 47, pi. 5, fig. 6; pi. 6, fig. 3;— Second Ann. 

 Rep. N. Y. State Geol., 1883, pi. 36, tigs. 14, 15.— Nettelroth, Kentucky Fos- 

 sil Shells, Mem. Kentucky Geol. Survey, 1889, p. 45, pi. 16, figs. 4-6, 12-14.— 

 Herrick, Geol. Ohio, Vll, 1895, pi. 20, fig. 10. 



