RrinniEKT.l INDEX AND BIHLIOORArHY. 2-)3 



HYPOTHYRIS King-. Genotype Atrypa cnboides Sowerby. 



liypotliyiis Kiiij,' (uon Phillips), Ann. Mag. Nat. Hist., Will, 1816, p. 28;— 

 Mon. I'ermian Foss., I'.il. Soo., 18.">0, pp. 81. 100, 111.— Hall and Clarkt>, ]*al. 

 New York, VIII, I't. II, IH'JA, ]>. 200;- 'riiirtocutli Ann. Kep. New York State 

 Geologist, 18!*:., p. 828. 



Hypothyris castanea (IMook). Middle Devonian. 



Kbyncbouclla castanea Meek, Trans. Chicago Acad. Sci., I, 18G8, ji. 93, yl. 13, 



lig. 9.— Walcott, :Mon. U. S. Geol. Survey, VIII, 1881, ].. ir.3, pi. IT., figs. 1, 



4.— Whiteave.s, Cont. to Canadian Pal., I, 1891, ].. 2.S2. 

 Liorhynchus castanena Hall and Clarke, Pal. New York, VIII. Pt. II, 189,5, pi. 



59, figs. 28, 29. 

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



Hypothyris cuboides (Sowerby). Tally (Dev.). 



Atrypa cnboides Sowerby, Trans. Geological Soc, 2d ser., V, 1840, pi. (i, fig. 24. — 



Vanuxeni, Geol. New York ; Rep. Third Dist., 1842, p. 1^3, fig. 1.— Hall, Ibidem, 



Rep. Fonrtli Dist., 1843, pp. 215, 2Ui, fig. 1. 

 Rbynchonella venustula Hall, Pal. New York, IV, 1807, p. 34fi, pi. 54A, figs. 24- 



43.— Williams, Bull. (ieol. Soc. America, I. 1S90, p. 493, jd. 13, figs. 4, 8, 14, 



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

 Hypothyris cnboides and veiiu.stula Hall and Clarke, Pal. New York, VIII, Pt. II, 



1893, p. 200, pi. 60, figs. 49-.55. 

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



Hypothyris emmonsi (Hall and Whittiold). IVfiddle Devonian. 



K'hyncbonclla emmonsi Hall and Whitfield, King's U. S. (ieol. Kxpl. 4()th Pari., 



IV, 1S77, p. 247, pi. 3, figs. 4-8.— Walcott, Mon. TT. S. (ieol. Survey, VIII, 



1881, p. 157. 

 Rhyncbouella intermedia P.arris, Proc. Davenport Acad. Nat. Sci., II, 1878, p. 



285, pi. 11, figs. 5, G. 

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

 Hypothyris emmonsi and intermedia Hall and Clarke, Pal. New York, VIII, Pt. 



II, 1893, p. 200. 

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



Canada. 



IPHIDEA Billings. Genotype Ipliidea bella Billings. 



Iphidea Billings, Canadian Nat. Geol., u. 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, l(i6;— Eleventh Ann. Rep. 



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



XIX, 1897, p. 707. 

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

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



U. S. Geol. Survey, 30, 188G, p. 101.— Hall and Clarke, Pal. New York, VIII, 



Pt. I, 1892, p. 90. 

 Paterina Beecbcr, American .lour. Science, 3d ser., XLI, 1891, p. 345. — Hall and 



Clarke, Eleventh Rep. N. Y. State (ieologist, 1894, p. 247. 



Iphidea alabamaensis Walcott. Middle (Cambrian. 



Iphi<lea alabamaensis Walcott, Proc. TI. S. Nat ional Mus., XIX, 1897. p. 713, jd. 



59, figs. 5, 5a. 

 Loc. Coosa ^'alley, Cherokee County, Alabama; near Rogersville, Tennessee. 



Iphidea bella Billings. Lower Cambrian. 



iphidea bella Billings, Canadian Nat. Geol., n. ser., VT, 1872, p. 447, fig. 13;— 



Pal. Fossils, II, 1,S74, p. 7G, fig. 44.— Walcott, Bull, U. S. Geol. Survey, 30, 1886, 



