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



PARASTROPHIA Hall and (\ Genotype Atrypa hemiplicata Hall. 



I'anistropbia Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 221;— Thir- 

 teenth Ann. Kej). N. Y. State Geologist, 1895, p. 839. 



Parastrophia divergens Hall and Clarke. Lorraine (Ord.). 



Parastrophia divergens Hall and Clarke, Pal. New York. VIII, Pt. II, 1895, pp. 222, 



36ti, pi. 63, figs. 4-7. 

 Loc. Wilmington, Illinois. 



Parastrophia greenei Hall and Clarke. Niagara (Sil.). 



ParaHtrophia greenii Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, pp. 222, 



367, pi. 63, iigs. 17-20, 22. 

 Loc. Milwaukee, Wisconsin. 



Parastrophia hemiplicata Hall. Trenton (Ord.). 



Atrypa hemiplicata Hall, Pal. New York, I, 1847, p. 144, pi. 33, fig. 10.— Billings, 



Canadian Nat. Geol., I, 1856, p. 208, figs. 20-23. 

 Atrypa circulus Hall, Pal. New York, I, 1847, p. 142, pi. 33, fig. 7 ;— Twelfth Rep. 



N. Y. State Cab. Nat. Hist., 1859, p. 65. 

 Pentaraerns hemiplicatus Hall, Twelfth Rep. N. Y. State Cab. Nat. Hist., 1859, 



p. 66.— Billings, Canadian Jour., IV, 1859, p. 316. 

 Camarella henii))licata Billings, Geol. Canada, 1863, p. 168, fig. 154. 

 Camarella circulus Miller, American Pal. Fossils, 1877, p. 107. 

 Camarella bernensis Sardeson, Bull. Minnesota Acad. Nat. Sci., Ill, 1892, p. 328, 



pi. 4, figs. 4-6. 

 Anastrophia f hemiplicata Winchell and Schuchert, Minnesota Geol. Survey, III, 



1893, p. 3S2, pi. 30, figs. 29-31.— Whiteaves, Pal. Foes., Ill, Pt. Ill, 1897, p. 



167. 

 Parastrojjhia hemiplicata Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 



221, pi. 63, figs. 1-3. 



Loc. Middleville, Watertown, etc.. New York; Center County, Pennsylvania; 

 Wisconsin; Minnesota; Ottawa and Lake Winnipeg, Canada. 



Parastrophia hemiplicata rotunda (Winchell and Schu.). Trenton (Ord.). 

 Anastrophia f hemiplicata var. rotunda W. and S., Minnesota Geol. Survey, III, 



1893, p. 383, pi. 30. figs. 32-35. 

 Loc. Cannon Falls, Minnesota; Dccorah, Iowa. 



Parastrophia latiplicata Hall and Clarke. Niagara (Sil.). 



Parastrophia latiplicata Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, pp. 



222, 368, pi. 63, figs. 23-27. 

 Loc. Milwaukee, Wisconsin. 



Parastrophia multiplicata Hall and Clarke. Niagara (Sil.). 



Parastrophia multiplicata Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, 



pp. 222, 367, pi. 63, ficrs^i^ ''^ "' 

 Loc. Milwaukee ^^' 



, oDscura (Hall and Whitfield). ^ • .o ^ n 



Parastrophir.tcs ..bscun.s Hall and ^^•]^tfield Kind's TT ^ Pogonip (Ord.). 



•'oranr, 1877, p. 234, pi. 1, fig. iq, ' ^ ^- '^- '^'^ol. Expl. 40th Pari., 



Porariibonites ? obscnrus Hall and CI-.rl-A p i xt 



p. 228. ^ '•''^^^' ^ ''^- N«^' ^ov\c, VIli. Pt. II, 1893, 



Loc. White Pine district, Nevada 



Porambomtc. ' ■'■■»'™Pl.a or ,„u,6 rLy„„W„el|„iu. « i, „„t a 



