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



Gypidula comis (Oweu) — Continued. 



I'eutamerua coini.s Mook and Worthcn, Crool. Survey Illino'iH, III, 1SG8, p. 428, pi. 



13, fij--. 6.— Whitraves, Coiit. CaiKuliau Pal., I, 1892, p. 2tlO. 

 Pentamerus (Gypidula) coiuis Walcott, Mou. U. S. Geol. Survey, VIII, 1884, p. 159, 



pi. 3, figs. 4, 7 ; pi. 14, lig. 15 ; pi. 15, li^. 5. 

 Gypidula couiis Hall and ClaiHco, Pal. New York, \'1I1. I't. II, 1898, p. 247, fin. 177; 



pi. 72, ligs. 15-24. 

 Loo. Independence and Davenport, Iowa; Rock Island, Illinois; Eureka district, 



Nevada; lakes Manitoba and Winniiiegosis, Canada. 



Gypidula coppingeri (Etlieridge). Silurian. 



Pentamerus coppingeri Etheridge, Quart. .lour. Geol. Soc. Loudon, XXXIV, 1878, 



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

 Loc. Offley Island, lat. 8L^ 16'. 



Gypidula galeata (Daliuan). Lower Helderberg and INIiddle Devonian. 



Atrypa galeata Dalnian, Kongl. Svenska, Vet.-Akad. Ilaudl., t'/ir 1827. 182S, 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.— Casteluau, Essai Syst. Sil. 



PAmdrique Septentrionale, 1843, p. 39, pi. 14, tig. 4. 

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



p. 105, figs. 1-3.— Rogers, Geol. Pennsylvania, II, Pi . II. 18.58, p. 825, fig. 646.— 



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



Geol. Canada, 1863, p. 9.57, fig. 4.54. 

 Pentamerus galeatus var. Whiteaves, Cout. 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, tigs. 7-13. 

 Loc, Europe; Albany and Schoharie counties, New Y*)rk; Cumberland, Maryland; 



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



Gypidula globulosa (Nettolrotli). J^iagara (Sil,). 



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



. Survey, 1889, p. 54. 

 Loc. Louisville, Kentucky. 



Gypidula knotti (ISTettelroth). Niagara (Sil.). 



Pentamerus knotti Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. 



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

 Loc. Louisville, Kentucky. 



Gypidula laeviuscula Hall. Middle Devonian. 



Gypidula L-eviuscula 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, 1884, p. 161, pi. 3, fig. 9. 

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

 Loc. White Pine mining district, Nevada. 



Gypidula munda Calvin. Middle Devonian. 



Gypidula munda Calvin, Bull. U. S. Geol. Geogr. Survey Terr., IV, 1878, p. 730. 

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

 Ljoc. Independence, Iowa. 



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



Pentamerus galeatus HaTll and Whitfield, 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. Kentucky Geol. Survey, 1889, p. 59, pi. 27, figs. 2^-27; pi. 33, figs. 27-33. 



