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



Merista elongata (Hall). Lower Helderberg (l)ev.). 



Ciimariiuu elongatiiin Hall, Pal. New York, III, 1859, p. 488, pi. 'JoA, tig. 4. 



Loc. Ciimbcrlaud, Maryland. 



Oha. Probably only a variety of M. typa. 



Merista houghtoni Wincliell=Meristella liouglitoni. 



Merista l.iivis nall = Meristella Levis. 



Merista lata Hall=Meristella lata. 



Merista lens irall=Meristella lens. 



Merista meekl Hall=Meristella meeki. 



Merista priiiceps Hall=Meristella iirinceps. 



Merista subquadrata Hall=Meristella subquadrata. 



Merista tennesseensis Hall and Clarke. Lower Helderberg (Dev,). 



Merista teunesseensis Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, pp. 71, 



365, pi. 42, figs. 1-6. 

 Loc. Perry County, Tennessee. 



Merista typus Hall. Lower Helderberg (Dev.). 



Camarium typum Hall, Pal. New York, III, 1859, p. 487, pi. 95A, figs. 2a, 3, 5, 6. 

 Merista typum Hall, Thirteenth Rep. N. Y. State Cab. Nat. Hist., 1860, p. 93, 



figs. 10-13. 

 Merista typa Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, pi. 42, figs. 7-12. 

 Loc. Cumberland, Maryland. 



MERISTELLA Hall, 1860. Genotype Merista arcuata Hall. 



fMeristella Hall, Twelfth Rep. N. Y. State Cab. Nat. Hist., 1859, p. 78. 



Meristella Hall, Thirteenth Rep. Ibidem, 1860, pp. 74, 93 ; — Sixteenth Rep. Ibidem, 

 1863, p. 50, figs. 27-34;— Trans. Albany Institute, IV, 1863, p. 139;— American 

 Jour. Sci., 2d ser., XXXV, 1863, p. 396 ; XXXVI, p. 11 ;— Twentieth Rep. N. Y. 

 State Cab. Nat. Hist., 1867, pp. 155, 2.58;— Pal. New York, IV, 1867, p. 295.— 

 Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Survey, 1889, p. 

 97.— Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 73, figs. 55, 56;— 

 Thirteenth Ann. Rep. N, Y. State Geologist, 1895, p. 773. 



Athyris Billings, Proc. Portland Soc. Nat. Hist., 1863, p. 115. 



Meristella arcuata Hall. Lower Helderberg (Dev.). 



Merista arcuata Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, p. 95, figs. 



1-4;— Pal. New York, III, 1859, p. 249, pi. 41, fig. 1 (?2). 

 Meristella arcuata Hall, Ibidem, IV, 1867, p. 298, figs. 1, 2. — Hall and Clarke, 



Ibidem, VIII, Pt. II, 1895, pi. 43, figs. 1, 2; pi 44, fig. 5. 

 Loc. Albany and Schoharie counties. New York; St. Blandine, New Brunswick. 



Meristella barrisi Hall. Marcellua-Haniilton (Dev.). 



Meristella barrisi Hall, Thirteenth Rep. N. Y. State Cab. Nat. Hist., 1860, p. 

 84;— Pal. New York, IV, 1867, p. 304, pi. 49, figs. 5-22.— fTschernyschew, 

 M^moires du Comite G6ologique de St. P6tersbourg, III, 3, 1887, p. 55, pi. 9, 

 figs. 12, 15; pi. 13, figs. 1, 2.— Hall and Clarke, Pal. New York, VIII, Pt. II, 

 1895, pi. 43, figs. 25, 26; pi. 44, figs. 27-30. 



Loc. York and Leroy, New York ; Urals of Russia. 



Meristella bella (Hall). Lower Helderberg (Dev.). 



Merista bella Hall, Tenth Rep. N. Y. State Cab, Nat. Hist., 1857, p. 92, figs. 1-7;— 



Pal. New York, III, 1859, p. 248, pi. 40, fig. 1. 

 Meristella bella Whitfield, Annals N. Y. Acad. Sci., V, 1891, p. 510, pi. 5, figs. 



8-10.— Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, pi. 43, figs. 7-9; 



pi. 44, figs. 1-3.— Whitfield, Geol. Ohio, VII, 1895, p. 412, pi. 1, figs. 8-10. 

 Loc. Albany and Schoharie counties. New York; Greenfield, Ohio; Lake Teiiiis- 



couata, New Brunswick. 



