scHucHERT.] INDEX AND BIBLIOGRAPHY. 267 



Meristella(?) blancha (Billings). Lower Helderberg (Dev.). 



Athyris blancha Billings, Proc. Portland Soc. Nat. Hist., 1863, p. 115, pi. 3, fig. 13. 

 Meristina ( ?) blancha Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 68, 



pi. 41, figs. 22, 23. 

 Loc. Square Lake, Maine. 

 Obs. Compare with Meristella arcuata. 



Meristella clusia (Billings). Corniferous (Dev.). 



Athyris f clusia Billings, Canadian Jour. Sci., V, 1860, p. 279. 

 Loc. Cayuga, Ontario. 



Meristella doris Hall. Upper Heklerberg (Dev.). 



Meristella doris Hall, Thirteenth Rep. N. Y. State Cab. Nat. Hist., 1860, p.84:— 



Pal. New York, IV, 1867, p. 303, pi. 50, figs. 1-12.— Hall and Clarke, Pal. New 



York, VIII, Pt. II, 1895, pi. 43, figs. 21, 22. 

 Charionella doris Billings, Geol. Canada, 1863, p. 374, figs. 400E, 401a, b. 

 Loc. Schoharie and Williamsville, New York ; Cayuga, Ontario. 



Meristella elissa Hall = Meristella nasuta. 



Meristella haskinsi Hall. Hamilton (Dev.). 



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

 84;— Pal. New York, IV, 1867, p. 306, pi. 49, figs. 23-35.— Hall and Clarke, 

 Ibidem, VIII, Pt. II, 1895, pi. 43, figs. 23, 24; pi. 44, fig. 31. 



Loc. Seneca Lake,"York, Moscow, etc.. New York; Thedford, Ontario. 



Meristella (?) houghtoni (A. Winch ell). Huron (Dev.). 



Merista houghtoni Winchell, Proe. Acad. Nat. Sci. Philadelphia, 1862, p. 407. 

 Meristella ( ?) houghtoni Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 78. 

 Loc. Port aux Barques, Michigan. 



Meristella (?) incerta Simpson. Waverly (L. Garb.). 



Meristella incerta Simpson, Trans. American Philosophical Soc, n. ser., XVI, 



1889, p. 442, fig. 7. 

 Loc. Warren, Pennsylvania. 

 Obs. Based upon a crushed and broken specimen. 



Meristella laevis (Vanuxem). Lower Heklerberg (Dev.). 



Atrypa hevis Vanuxem, Geol. New York; Rep. Third Dist., 1842, p. 120, fig. 2. — 



Rogers, Geol. Pennsylvania, II, Pt. II, 1858, p. 825, fig. 642. 

 Merista lasvis Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, p. 94, figs. 



1-6;— Pal. New York, III, 1859, p. 247, pi. 39, figs. 3, 4.— Meek audWorthen, 



Geol. Survey Illinois, III, 1868, p. 376, pi. 7, fig. 8. 

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



6, 7.— Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, pi. 43, figs. 3-6; 



pi. 44, fig. 4.— Whitfield, Geol. Ohio, VII, 1895, p. 411, pi. 1, figs. 6, 7. 

 Loc. Albany and Schoharie counties, New York; Greenfield, Ohio; Perry County, 



Missouri; Pennsylvania; Square Lake, Maine; St. Blandine, New Brunswick. 



Meristella (?) laevis (Hall). ' Lower Helderberg (Dev.). 



Meganteris lajvis Hall (non Vanuxem), Tenth Rep. N. Y. State Cab. Nat. Hist., 



1857, p. 99. 

 Rensselajria laevis Hall, Pal. New York, III, 1859, p. 256, pi. 40, fig. 2. 

 Loc. Albany County, New York. 



Meristella lata Hall. Oriskany (Dev.). 



Merista lata Hall, Pal. New York, III, 1859, p. 431, pi'. 101, fig. 3. 

 Meristella lata Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 78, pi. 41, 



fig. 12. 

 Loc. Albany and Schoharie counties. New York; Cayuga, Ontario. 



