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



Strophalosia (1) guadalupensis (Sbuniard). Upper Carboniferous. 



Aulosteges guadalnpen.sis Sbumard, Trans. St. Louis Acad. Sci., I, 1858, p. 292, 



pi. 11, fig. 5; p. 390. 

 Strophalosia ? guadalupensis Beeclier, American Jour. Hci., 3d ser., XL, 1890, 



p. 241. 

 Loc. Guadalupe Mountains, New Mexico and Texas. 



Strophalosia horresceiis Geiuitz (iion Murcliison, de Yerneuil, and 



Keyserling) =Productus nebraskaensis. 

 Strophalosia hystricula Hall. Cheuiung (Dev.). 



Produ.tella hystricula Hall, Pal. New York, IV, 1867, p. 178, pi. 26, figs. 1-8; — 

 Second Ann. Rep. N. Y. State Geol., 1883, pi. 48, figs. 29, 30. 



Strophalosia hystricula Hall and Clarke, Pal. New York, VIII, Pt. 1, 1892, p. 316, 

 pi. 156, fig. 31; pi. 17, figs. 29, 30. 



Loc. Forestvillc, Conewango, and East Randolph, New York. 



Strophalosia keokuk Beeclier. Keokuk (L. Carb.). 



Strophalosia keokuk Peecher, American Jour. Sci., 3d ser., XIj, 1890, p. 244, pi. 9, 



figs. 18-24.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 316, pi. 17A, 



figs. 5-7. 

 Loc. Keokuk, Iowa. 



Strophalosia muricata (Hall). Chemung (Bev.). 



Chonetes muricata Hall, Pal. New York, IV, 1867, p. 143, pi. 22, figs. 29-43. 

 Chonctes (Productella?) muricata Hall, Second Ann. Rep. N. Y. State Geol., 



1883, pi. 47, figs. 12, 10, 30, 38, 42. 

 Strophalosia? muricata Beecher, American Jour. Sci., 3d ser., XL, 1890, p. 241. 

 Strophalosia muricata Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 316, 



pi. 16, figs. 12, 16, 30, 38, 42. 

 LjOc. Ellington, New York, and Meadvillo, Pennsylvania. 



Strophalosia nummulina A. Winchell. Kinderhook (L. Carb.). 



strophalosia? nummularis A. AVinchell, Proc. Acad. Nat. Sci. Philadelphia, 



1863, p. 4. 

 Strophalosia? nummulina Beecher, American Jour. Sci., 3d ser., XL, 1890, p. 242. 

 Strophalosia nummularis Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 316. 

 Loc. Burlington, Iowa. 



Strophalosia radicans (A. Winchell). Hamilton (Dev.). 



Crania radicans A. Winchell, Rep. Lower Peninsula Michigan, 1866, p. 92. 

 Stroi)halosia radicans Beecher, American Jour. Sri., 3d ser., XL, 1890, pp. 240, 



243, pi. 9, figs. 14-17.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, 



p. 316, pi. 15B, figs. 27-30. 

 Loc. Grand Traverse region, Michigan. 



Strophalosia rockfordensis Hall and Clarke. Upi)er Devonian. 



strophalosia rockfordensis Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, 



pp. 316, 353, pi. 17A, figs. 1-3; Pt. II, 1895, pi. 84, figs. 20-22. 

 iof. Rockford, Iowa. 



Strophalosia scintilla Beecher. Chouteau (L. Carb.). 



Stro])halo8ia scintilla Beecher, American Jour. Sci., 3d ser., XL, 1890, p. 243. 



pi. 9, figs. 10-13.— Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 316, 



pi. 15B, figs. 32-34. 

 Loc. Pike County, Missouri. 



Strophalosia spondyliformis (White and St. John ). U pper Carboniferous. 

 Aulosteges spondyliformis White and St. John, Trans. Chicago Acad. Sci., I, 

 1868, p. 118, fig. 2. 



