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



Catazyga headi (I'.illiiigs)— Continued. 



Catazygii hnuU Hall and Clarke, Pal. New York, \'1I1, Pt. H, 1893, i>. 158, lig. 



151 ; 1)1. 54, figs. 21-20, 80. 

 Loc. St. Lawrence River, oppDsite Tlirei! Rivers; near St. Nicholas, St. Croix, 



and Becancoiir River, Que1)ec, Canada; Waynesvillo, etc., Ohio; Richmond 



and Versailles, Indiana. According to Mr. Ami, also in the Utica slate at 



Ottawa, Canada. 



Catazyga uphami ( Wiucliell and Schuchert). Trenton (Ord.). 



Zygospira nphami Winchell and Schnchert. American Geol., IX, 1892, p. 291; — 



Minnesota Geol. Survey, III, p. 4(58, pi. 34, tigs. 45-48. 

 Loc. Near Spring A'alley and Wykoff, Minnesota. 



CENTRONELLA ISillings. Genotype Ehynchonella glansfagea Hall. 



Centronella Billings, Canadian Nat Geol., IV, 1859, p. 131, figs. 1-5; — Canadian 

 Jour., VI, 1861, p. 271.— Hall, Sixteenth Rep. New York State Cab. Nat. 

 Hist., 1863, p. 45, tigs. 13-17;— American .Jour. Sci., 2d ser., XXXV, 1863, ]>. 

 396.— Billings, Ibidem, XXXVI, 1863, p. 237.— Hall, Trans. Albany Institute, 

 IV, 1863, pp. 134, 148.— A. Winchell, Proc. Acad. Nat. Sci. Philadelphia, 

 1865, p. 122.— Hall, Pal. New York, IV, 1867, p. 399.— Hall and Clarke, 

 Ibidem, VIII, Pt. II, 1893, p. 265;— Thirteenth Ann. Rep. New Y'ork State 

 Geologist, 1895, p. 853. 

 Centronella(?) allei A. Winchell. Waverly (L. Carb.). 



Centronella allii A. Winchell, Proc. Acad. Nat. Sci. Philadelphia, 1865, p. 123. 



Cryptonella? allei Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 290. 



Loc. Burlington, Iowa; Hamburg, Illinois; Summit County, Ohio. 



Centronella alveata Hall. Onondaga (Dev.). 



Rhynchonella? alveata Hall, Tenth Rep. New York State Cab. Nat. Hist., 1857, 



p. 124. 

 Centronella hecate Billings, Canadian Jour., VI, (May) 1861, p. 272, tig. 99;— 



Geol. Canada, 1863, p. 374, tig. 403.— Hall, Pal. New York, IV, 1867, p. 420, 



pi. 61A, figs. 27-29.— Ibidem, YIII, Pt. II, 1895, pi. 79, fig. 15. 

 Centronella alveata Hall, Pal. New York, IV, 1867, p. 401, pi. 61A, figs. 22-24.— 



Hall and Clarke, Ibidem, VIII, Pt. II, 1893, p. 268, pi. 79, tigs. 22-24. 

 Loc. New York; Cayuga, Ontario. 

 Obs. See C. impressa Hall. 

 Centronella anna Hartt=Harttina anna. 



Centronella(?) arcei A. Ulricli. Devonian. 



Centronella? arcei Ulrich, N. Yahrb. f. Mineral., Beilageband, VIII, 1892, p. 53, 



pi. 5, figs. 5-9. 

 Loc. Ida, and near Pulquina, Bolivia. 



Centronella billingsiana Meek and Worthen=WliitfieldeUa billings- 



iana. 

 Centronella(??) crassicardiualis Whitfield. Warsaw (L. Carb.). 



Centronella crassicardiualis Whitfield, Bull. American Mus. Nat. Hist., I, 1882, 

 p. 55, pi. 6, figs. 50-52.— Hall, Twelfth Rep. State Geol. Indiana, XXIX, 1883, 

 figs. 50-52. 

 Loc. Spergen Hill, Indiana. 



06s. This species is not well established and is based upon a single ventral 

 valve. Compare with Athyris dcnsa. 

 Centronella(?) flora A. Winchell. Waverly (L. Carb.). 



Centronella? flora A. AVinchell, Proc. American Phil. Soc., XII, 1870, p. 254. 

 Loc. Sciotoville, Ohio. 



