"230 SYNOPSIS OF AMERICAN FOSSIL BRACHIOPODA. [bulls;. 



Hemithyris psittacea (Clieiiiiiit/). Plioceiie and Keceiit. 



Auomia rostrum ])sitt;u'ea Chemnitz, Nenes syst. Conch. -Cab., VTII, 1785, pi. 78, 



fig. 713. 

 Khyiichonella psittacea I Mnidson, 'I'rans. Tjiiinaaii Soc. London, 1\', 1887, ]>. 1(53, 



pi. 24, ligs. 1-11. 

 I.oc. Fossil. Gulf of St. Lawicncc, Canada. 



HETERORTHIS Hall and Ciaiko. Genotype Ortliis clytie Hall. 



llet.Toitliis Jlall and Chuke, I'al. New York, VIII, Pt. I, lS!t2, p]). '201, 2L':i;— 

 Klcventli Ann. Kcp. New York State (ieoloojst, 1894, p. 268. 



Heterorthis clytie Hall. Treutou (Ord.). 



Orthis clytie Hall, Fonrtcentli Pep New York State Cab. Nat. Hist., 1861, p.90;— 



Fifteenth Pep., Ibidem, 1S62, iil. 2, figs. 4, 5. — Miller, Cincinnati Quart. .Tour. 



Sei., II, 1875, p. 34.— Hall and Whitfield, Pal. Ohio, II, 1875, p. 75, pi. 1, 



tigs. 18, 19. 

 Heterorthis clyti(^ Hall and Clarke, Pal. New York, YIII, Pt. I, 1892, pp. 202, 



223, pi. 5B, figs 20-24. 

 Loc. I'rankfort and Paris, Kentucky. 



HINDELLA Davidson. Genotype Athyris nmbonata Billings. 



Hiudella Davidson, Snppl. British Sil. Brack., Pal. Soc., 1882, p. 130.— Hall and 

 Clarke, Pal. Now York, VIII, Pt. II, 1893, p. 63, figs. 46-51 ;—Thirteeut]i 

 Ann. Pep. New York State Ceologist, 1895, p. 769. 



Hindella prinstana (Billin<jf.s). Anticosti (Sil.). 



Atliyris prinstana Billings, Pal. Fossils, I, 1862, p. 145, fig. 122. 

 Moristella prinstana Jliller, N. American Geo!. Pal., 1889, p. 354. 

 Hiudella prinstana Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 64, pi. 



41, fig. 28; ])].49, fig. 1. 

 Loc. Anticosti. 



Hindella umbonata (Billinp,\s). Anticosti (Sil.). 



Athyris umbonata Billings, Pal. Fossils, I, 1862, p. 144, fig. 121;— Geol. Canada, 



1863, p. 317, fig. 331. 

 Hindella nmbon.ata Davidson, Snppl. British Sil. Brach., Pal. Soc., 1882, p. 130, 



fig. in text. — Hall and Clarke, Pal. New York, VIII, Pt. 11, 1893, p. 64, figs. 



46-51 ; 1)1. 41, figs. 26, 27, 29, 30. 

 Meristella umbonata Foorste, Bull. Denison Lniv., 1, 1885, p. 88, pi. 13, tig. 2; — 



Geol. Ohio, Yll, 1895, ]). 590, ])1. 25, fig. 2. 

 Loc. Anticosti; Dayton, Ohio (l'''oerste). 



HIPPARIONYX Vaniixein. 



(J('n()tyi>G Tlipparionj'x proxinins Vanuxem. 



Hipparionyx Vanuxem, (icol. New Yorlv ; Pep. Third Dist., 1842, p. 124, fig. 4. — 

 Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 257;— KleventlwVnu. 

 Rep. New York State (Jeologist, 1894, p. 281. 



Hipparionyx ('(msimilaris \'aiinxein=:Atiyi»a reticularis. 



Hipparionyx proximus Vannxom. Oriskany (Dev.). 



Hipjjarionvx proximus Vanuxem, Geol. New York; Rep. Third Dist., 1812, ]>. 124, 



fig. 29, No. 4.— Hall and Clarke, Pal. New York, VIII, IM. I, 1S<»2, ]>. 257, 

 . pi. 9, figs. 33-.36; pi. 15.\, figs. 9-11. 

 Atrypa nngniformis (Conrad) Hall, (Jeol. New York; Rep. Fourth Dist., 1843, 



p. 149, fig. 4.— Rogers, (ieol. Pennsylvania, II, PL II. 185S, p. 826, fig.651 

 Ortliis conradi Castelnan, Kssai Svst. Sil. rAnn'riipie Septentriouale, 1843, ]>. 37, 



pi. 1.5, fig. 4. 

 Orthis unguiformis Casfelnau. Ibiilem, 1843, \i. 'M. jil. 15, fig. 3. — Fmmous, Manual 



Geo]., 1860, p. 129, fig. 115. 



