220 SYNOPSIS OF AMKHK'AN FOSSIL HRACHIOPODA. [bulls?. 



Eatonia medialis (\'annxein). Lower Ilelderberg (Dev.). 



AtryiJa medialis Viiniixem, (ieol. New York; Hep. Third Dist., 1X42, p. 120, lig. 4. 



Eivtonia medialis Hall, Teiitl) liep. New York State Cab. Nat. Hist., ISuT, p. 90, 

 figs. 1-7;— Pal. New York, III, 185!), ]). 211. pi. 87, fig. 1.— Hillings, Proc, 

 Portland See. Nat. Hist., 1863, p. Ill, pi. 3, fig. 7.— Hall and Clarke, Pal. New 

 York, VIII, Pt. IT, 189:?, ]). 20(), pi. Gl, figs. 2!»-3r). 



T.oc. Schoharie, Carlisle, Catskill, etc, New York; Square Lake, Maine. 



Eatonia peculiaris (Conrad). Lowei' Ilelderberg and Oriskany (Dev.). 



Atrypa peculiaris Conrad, P^'ifth Ann. Rep. Geol. Survey New York, 1841, p. .56. — 

 Vanuxem, Geol. New Y'ork; Rep. Third Dist., 1842, p. 123, fig. 3.— Hall, 

 Ibidem, Rep, Fourth Dist, 1843, ]>. 148, fig. 3. — Rogers, Geol. Pennsylvania, 

 II, Pt. II, 1858, p. 825, fig. G40. 



Atrypa? nustella Castelnau, Essai Syst. Sil. I'Am^rique Septentrionale, 1843, p. 

 39, pi. 14, fig. 3. 



Eatonia iieculiaris Hall, Twelfth Rep. New Y'ork State Cab. Nat. Hist., 1859, p. 

 37, figs. 1-7;— Pal. New York, HI, 1859, p. 244, pi. 38, figs. 21-26; pi. 51, fig. 

 2; p. 436, pi. 101, fig. 2; pi. lOlA, fig. 1;— Fifteenth Rep. New York State 

 Cab. Nat. Hist., 1862, pi. 11.— Billings, Geol. Canada, 1863, p. 957, fig. 4.50.— 

 Meek and Worthen, Geol. Survey Illinois, III, 1868, ji. 395, pi. 8, fig. 2. — 

 Billings, Pal. Fossils, II, 1874, p. 40, pi. 3A, fig. 2.— Hall and Clarke, Pal. 

 New York, VIII, Pt, IT, 1893, p. 206, pi. 61, figs. 17-26. 



Eatonia peculiaris? Keyes, Geol. Survey Missouri, V, 1895, p. 104. 



Loc. Schoharie, etc., New York; Pennsylvania; Cumberland, Maryland; Jack- 

 son and Perry counties, Missouri ; Gaspe. 



Eatonia pumila llall. Oriskany (Dev^). 



Eatonia pumila Hall, Pal. New York, III, 1859, p. 437, pi. 101, fig. 1.— Hall and 



Clarke, Pal. New Y'ork, \'1II, Pt. II, 1893, p. 206, 

 Loc. Albany County, New York. 



Eatonia singularis (Vanuxem). Lower Helderherg (Dev.). 



Atrypa singularis Vanuxem, Geol. New York ; Rep. Tliird Dist., 1842, p. 120, fig 3. 

 Eatonia singularis Hall, Pal. New York, III, 18.59, p. 242, pi. 38, figs. 14-20.— 



Hall and Clarke, Ibidem, Vlll, Pt. II, 1893, p. 206, pi. 61, figs. 13-16. 

 Loc. Schoharie, etc., New York. 



Eatonia sinuata Hall. Oriskany (Dev.). 



Eatouia sinuata Hall, Tenth Rep. New York State Cab. Nat. Hist., 1857, p. 91 ; — 



Pal. New Y'ork, III, 18.59, p. 438, pi. lOlA, figs. 3-6.— Hall and Clarke, Ibidem, 



VIII, Pt. II, 1893, p. 206, pi. 61, figs. 36-38. 

 Loc. Cumberland, Maryland. 



Eatonia(?) variabilis Wliiteaves. Hainilton (Dev.). 



Eatonia variabilis Whiteaves, Cont. to Canadian Pal., I, 1891, p. 233, pi. 29, 



figs. 6-9. 

 Loc. Hay River, Canada. 



Eatonia whitfieldi Hall. Oriskany (Dev.). 



Eatonia whitfieldi Hall, Pal. New York, III, 1859, p. 437, pi. lOlA, fig. 2.— Hall 



and Clarke, Ibidem, VIII, Pt. II, 1893. p. 206, pi. 61, figs. 27, 28. 

 Loc. Cumberland, Maryland. 



EICHWALDIA Billings. Genotype Eicliwaldia snbtrigonalis Billings. 



Eichwaldia Billings, Geol. Survey Canada; Rep. Progress lor 1857, 1858, p. 190; — 

 Canadian Nat. Geol., Ill, 1858, p. 442. 



Eicliwaldia of otlier autbors=Dictyonella. 



