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



Gypidula comis (Oweu) — Contiuued. 



routiimorus coinis Meek and Worthen, Geol. Survey lUiuois, III, 18(i8, p. 428, pi. 



13, lij;-. 6.— Whit.'aves, Cout. Canadian Pal., I, 1892, ]>. 2')0. 

 Pontauierus (Gypidula) couiis Walc-ott, Mon. U. S. Geol. Survey, VIII, 1884, p. 159, 



pi. 3, tigs. 4, 7; pi. 14, lig. 15 ; pi. 15, lig. 5. 

 Gypidula coniis Hall and Clarke, Pal. New York, \'III, Pt. 11, 1893, p. 217, fi';. 177; 



pi. 72, tigs. 15-24. . 

 Loc. Independence and Davenport, Iowa; Rock Inland, Illinois; lOiircka district, 



Nevada; lakes MauitoUa and Wiuuipcgosis, Canada. 



Gypidula coppingeri (Etheridge). Silurian. 



Pontamerus coijpingcri Etheridge, Quart. .Jour. Geol. Soc. London, XXXIV, 1878, 



p. 594, pi. 25, tigs. 2, 3. 

 Loc. OtHey Island, lat. 81 16. 



Gypidula galeata (Daliuan). Lower Helderberg' and Middle Devonian. 

 Atrypa galeata Dalman, Kongl. Svenska, Vet.-Akad. llandl., iVir 1827, 1828, p. 46, 



pi. 5, tig. 4. — Troost, Sixth Geol. Rep. Tennessee, 1841, p. 15. — Vanuxeni, Geol. 



New York; Rep. Third Dist., 1842, p. 117, fig. 1. — Castcluau, Essai Syst. Sil. 



rAmcriijue Septentrionale, 1843, p. 39, pi. 14. fig. 4. 

 Pentamerns galeatus Hall, Tenth Rep. New York State Cab. Nat. Hist., 1857, 



p. 105, figs. 1-3.— Rogers, Geol. Peunsylvania, II, PI . II, 1858, p. 82.5, fig. 646.— 



Hall, Pal. New Y'ork, III, 1859, p. 257, pi. 46, fig. 1 ; pi. 47, fig. 1.— Billings, 



Geol. Canada, 1863, p. 957, fig. 454. 

 Pentamerns galeatus var. Whiteaves, Coiit. to Canadian Pal., I, 1891, p. 234. 

 Sieberella galeatus Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 246, 



fig. 175; pi. 72, figs. 7-13. 

 Loc. Europe ; Albany and Schoharie counties, NeAV York ; Cuniberland, Maryland ; 



Pennsylvania; St. Blandine, New Brunswick; Mackenzie River, Canada. 



Gypidula globulosa (Nettelroth). IS^iagara (Sil.). 



Pentamerus globulosus Nettelroth, Kentucky Fossil Shells, Mem. Keutucky Geol. 



Survey, 1889, p. 54. 

 Loc. Louisville, Keutucky. 



Gjrpidula knotti (Nettelroth). Niagara (Sil.). 



Pentamerus kuotti Nettelroth, Kentucky Fossil Shells, Mem. Keutucky Geol. 



Survey, 1889, p. 56, pi. 32, figs. 9-12. 

 Loc. Louisville, Kentucky. 



Gypidula Igeviuscula Hall. Middle Devonian. 



Gypidula hrviuscula Hall, Pal. New York, IV, 1867, p. 381, pi. 58, figs. 22, 23.— 

 Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 248, pi. 72, figs. 25,26. 

 Loc. Waterloo, Iowa. 



Gypidula lotis (Walcott). Upper Devonian, 



Pentamerus lotis Walcott, Mon. U. S. Geol. Survey, VIII, 1S81, ]>. 1(!1, pi. 3, fig. 9. 

 Gypidula lotis Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 248. 

 L^oc. White Pine mining district, Nevada. 



Gypidula munda Calvin. Middle Devonian. 



(iypidula munda Calvin, Bull. V. S. Geol. Geogr. Survey Terr., IV, 1878. p. 730. 

 Gypidula mundula Hall and Clarke, Pal. New York, VIII, Pt, II, 1893, p. 218. 

 Lor. Independeme, low.i. 



Gypidula nucleus (Hall and Whitlield). ? Clinton (Sil.). 



Pentamerus galeatus Ha'll and Whitlield, Twenty -fourth Rep. New York State 

 Cab. Nat. Hist., 1872, pp. 197, 200a. 



Pentamerus nucleus Hall and Whitfield, Twenty-seventh Rep. New York State 

 Cab. Nat. Hist., 1875, pi. 9, figs. 30-32.— Nettelroth, Kentucky Fossil Shells, 

 Mem. Keutucky Geol. Survey, 1889, p. 59, pi. 27, tigs. 25-27; pi. 33, ligs. 27-33. 



