scHurHEET.] INDEX AND BIBLIOGRAPHY. 233 



HYPOTHYRIS King. Genotype Atrypa cuboides Sowerby. 



Hypothyris King (uou Phillips), Ann. Mag. Nat. Hist., XVIII, 1846, p. 28;— 

 Mon. Permian Foss., Pal. Soc, 1850, pp. 81, 100, 111.— Hall and Clarke, Pal. 

 New York, VIII, Pt. II, 1893, p. 200 ;— Tliirteeutli Ann. Rep. New York State 

 Geologist, 189.5, p. 828. 



Hypothyris castanea (Meek). Middle Devonian. 



Rhyncbouella castanea Meek, Trans. Chicago Acad. Sci., I, 1868, p. 93, pi. 13, 

 lig. 9.— Walcott, Mon. U. S. Geol. Survey, VIII, 1884, p. 153, pi. 15, figs. 1, 

 4.— Whiteaves, Cont. to Canadian Pal., I, 1891, p. 232. 



Liorhynchns castanens Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, pi. 

 59, figs. 28, 29. 



Loc. Lockhart and Mackenzie River, Canada; Eureka district, Nevada. 



Hypothyris cuhoides (Sowerbj'). Tully (Dev.). 



Atrypa cuboides Sowerby, Trans. Geological Soc, 2d ser., V, 1840, pi. 6, fig. 24. — 



Vauuxeiu, Geol. X^ew York ; Rep. Third Dist., 1842, p. 163, fig. 1.— Hall, Ibidem, 



Rep. Fourth Dist., 1843, pp. 215, 216, fig. 1. 

 Rhynchonella venustula Hall, Pal. New York, IV, 1867, p. 346, pi. 54A, figs. 24- 



43.— Williams, Bull. Geol. Soc. America, I, 1890, p. 493. pi. 13, figs. 4, 8, 14, 



23, 24, 27, 29, 31-34. 

 Hypothyris cuboides and venustula Hall and Clarke, Pal. New York, VIII, Pt. II, 



189.3, p. 200, pi. 60, figs. 49-55. 

 Loc. Europe; Tully, Ovid, Penn Yan, etc., New York. 



Hypothyris emmonsi (Hall and Whitfield). Middle Devonian. 



Rhynchonella emmonsi Hall and Whitfield, King's U. S. Geol. Expl. 40th Pari., 



IV, 1877, p. 247, pi. 3, figs. 4-8.— Walcott, Mon. U. S. Geol. Survey, VIII. 



1884, p. 157. 

 Rhynchonella intermedia Barris, Proc, Davenport Acad. X^at. Sci., II, 1878, p. 



.285, pi. 11, figs. 5, 6. 

 Rhynchonella cuboides Whiteaves, Cont. to Canadian Pal., I, 1891, p. 231. 

 Hypothyris emmonsi and intermedia Hall and Clarke, Pal. X'^ew York, VIII, Pt. 



II, 1893, p. 200. 

 Loc. White Pine district, Nevada; Davenport, Iowa; Hay and Peace rivers, 



Canada. 



IPHIDEA Billino-s. Genotype Ipliidea bella Billinos. 



Iphidea Billings, Canadian Nat. Geol., n. ser., VI, 1872, p. 477; — Pal. Fossils, II, 



1874, p. 76.— Walcott, Bull. U. S. Geol. Survey, 30, 1886, p. 100.— Hall and 



Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 97, 166;— Eleventh Ann. Rep. 



New York State Geologist, 1894, p. 249.— Walcott, Proc. U. S. National Mus., 



XIX, 1897, p. 707. 

 Micromitra Meek, Sixth Ann. Rep. U. S. Geol. Survey Terr., 1873, p. 479. 

 Kutorgina (pars) Dall, Bull. U. S. National Mus., 8, 1877, p. 40.— Walcott, Bull. 



U. S. Geol. Survey, 30, 1886, p. 101.— Hall and Clarke, Pal. New York, VIII, 



Pt. I, 1892, p. 90. 

 Paterina Beecher, American Jour. Science, 3d ser., XLI, 1891, p. 345. — Hall and 



Clarke, Eleventh Rep. N. Y. State Geologist, 1894, p. 247. 



Iphidea alabamaensis Walcott. Middle Cambrian. 



Iphidea alabamaensis Walcott, Proc. U. S. National Mus., XIX, 1897, i>. 713, pi. 



59, figs. 5, 5a. 

 Loc. Coosa Valley, Cherokee County, Alabama; near Rogersville, Tennessee. 



Iphidea bella Billings. Lower Cambrian. 



Iphidea bella Billings, Canadian Nat. Geol., n. ser., VI, 1872, p. 447, fig. 13;^ 

 Pal. Fossils, II, 1874, p. 76, fig. 44.— Walcott, Bull, U. S. Geol. Survey, 30, 1886, 



