192 SYNOPSIS OF AMERICAN FOSSIL BHACHIOPODA. Ibull.87. 



Crania scabiosa Hall — Coutinued. 



C. scabiosa has heen found growing on Kiifinesquina, Strophoniena, Khyn- 

 chonella, Pleurotomaria, and Monticnlipora. In nearly all cases this species 

 partakes more or less of the ornamentation of its host. The variation pointed 

 out by authors is accidental and has no specilic value. 



Crania setifera I hill. Niagara (Sil.). 



Crania setifera Hall, Trans. Albany Institute, IV, 1863, p. 209 (non Hall, 1866); — 



Twenty-eighth Rep. New York State Mus. Nat. Hist., Doc. ed., 1876, pi. 21, figs. 



8-10;— Ibidem, 1879, p. 148, pi. 21, figa. 8-10;— Eleventh Rep. State Geol. 



Indiana, 1882, p. 283, pi. 21, tigs. 8-10.— Hall and Clarke, Pal. New York, 



YIII, Pt. I, 1892, pi. 411, iig. 18. 

 Loc. Waldron, Indiana. 



Crania setigera Hall, Trenton and Lorraine (Ord.). 



Crania setigera Hall, Descriptions n. sp. Criuoidea and other Fossils, 1866, p. 

 12 ;— Twenty-fourth Rep. New York State Cab. Nat. Hist., 1872, p. 220, pi. 7, 

 fig. 15.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 4H, figs. 

 14-16. — Winchell and Schuchert, Minnesota Geol. Survey, III, 1893, p. 372, 

 pi. 29, figs. 32, 33. 



Loc. Mineral Point and Beloit, Wisconsin; Decorah, Iowa; Minneapolis, Cannon 

 Falls, etc., Minnesota; ^Vilmington, Illinois. 

 Crania sheldoni White. Hamilton (Dev.). 



Crania sheldoni ^Vhite, Proc. Boston Soc. Nat. Hist., IX, 1862, p. 29. 



Crania bordeni Hall and Whitfield, Twenty-fourth Rep. New York State Cab. 

 Nat. Hist., 1872, p. 187;— Twenty-seventh Rep. Ibidem, 1875, pi. 9, figs. 36, 

 37. — Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. Survey, 1889, 

 p. 32, pi. 2, fig. 14.— Hall and Clarke, Pal. New York, VIII, Pt. 1, 1892, pi. 4H, 

 ligs. 4, 5. 



Loc. New Buftalo and Iowa Citj', Iowa; Falls of Ohio. 



Obs. This species may not be distinct from C. crenistria. 



Crania siluriana Hall. Niagara (Sil.). 



Crania siluriana Hall, Trans. Albany Institute, IV, 1863, p. 208; — Twenty-eighth 

 Rep. New Y'ork State Mus. Nat. Hist., 1879, p. 148, pi. 21, figs. 3-7 ;— Eleventh 

 Rep. State Geol. Indiana, 1882, p. 282, pi. 21, figs. 3-7.— Beecher and Clarke, 

 Mem. New York State Mus., I, 1889, p. 13, pi. 1, figs. 1, 2. 



Loc. Waldron, Indiana. 



Crania socialis Ulrich. Utica (Ord.). 



Crania socialis Ulrich, Jour. Cincinnati Soc. Nat. Hist., I, 1878, p. 98, pi. 4, fig. 



14.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, pi. 4H, fig. 29. 

 Loc. Cincinnati, Ohio. 



Crania spinigera Hall. Niagara (Sil.). 



Crania spinigera Hall, Descriptions n. sp. Foss. Waldron, Indiana, 1879, p. 13; — 

 Eleventh Rep. State Geol. Indiana, 1882, p. 283, pi. 27, Iig. 1 ;— Trans. Albany 

 Institute, X, 1883, p. 69.— Hall and Clarke, Pal. New York, VIll, Pt. I, 1892, 

 pi. 4H, fig. 17. 



Loc. Waldron, Indiana. 



Crania trentonensis Hall. Trenton (Ord.). 



Crania trentonensis Hall, Descriptions n. sp. Crinoidea and other Fossils, 1866, 

 p. 12;— Twenty-fourth Rep. New York State Cab. Nat. Hist., 1872, p. 219, 

 pi. 7, figs. 11, 12.— Hall and Clarke, Pal. New Y^ork, VIII, Pt. I, 1892, pl.4H, 

 figs. 21, 22. — Winchell and Schuchert, Minnesota Geol. Survey, III, 1893, p. 

 374, pi. 29, figs. 36, 37. 



Loc. Middleville, New Y'ork; Cannon Falls, Minnesota; Janesville, Wisconsin; 

 Dixon, Illinois. 



